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International Scientific Periodicals


2013

I. T. Leite, A. Hierro-Rodriguez, A. O. Silva, J. M. Teixeira, C. T. Sousa, M. P. Fernandez-Garcia, J. P. Araujo, P. A. S. Jorge, A. Guerreiro, “Exciting the optical response of nanowire metamaterial films on the tip of optical fibres”, Phys. Status Solidi RRL 7, 664 (2013).


D. C. Leitao, J. Ventura, C. T. Sousa, J. M. Teixeira, J. B. Sousa, M. Vazquez and J. P. Araujo, “Correlations among magnetic, electrical and magneto-transport properties of NiFe nanohole arrays”, Journal of Physics: Condensed Matter 25, 066007 (2013).


L. G. Vivas, Yu. P. Ivanov, D. G. Trabada, M. P. Proenca, O. Chubykalo-Fesenko and M. Vazquez, “Magnetic properties of Co nanopillar arrays prepared from alumina templates”, Nanotechnology 24, 105703 (2013).


M. P. Proenca, C. T. Sousa, J. Escrig, J. Ventura, M. Vazquez, and J. P. Araujo, “Magnetic interactions and reversal mechanisms in Co nanowire and nanotube arrays”, Journal of Applied Physics 113, 093907 (2013).


M. P. Proenca, J. Ventura, C. T. Sousa, M. Vazquez, and J. P. Araujo, “Exchange bias, training effect, and bimodal distribution of blocking temperatures in electrodeposited core-shell nanotubes”, Physical Review B 87, 134404 (2013).


J. M. Teixeira, J. D. Costa, J. Ventura, M. P. Fernandez-Garcia, J. Azevedo, J. ´ ´ P. Arauj´ o, J. B. Sousa, P. Wisniowski, S. Cardoso, P. P. Freitas, “Giant intrinsic thermomagnetic effects in thin MgO magnetic tunnel junctions”, Applied Physics Letters 102, 212413 (2013).


D. J. Silva, U. Wahl, J. G. Correia, and J. P. Araújo, "Influence of n+ - and p+ doping on the lattice sites of implanted Fe in silicon", Journal of Applied Physics 114, 103503 (2013) C. Nunes, C. T. Sousa, M. P. Proenca, A. Apolinario, J. L. F. C. Lima, S. Reis, J. P. Araujo, and M. Lucio, “Synchrotron small angle X-ray scattering for the evaluation of the interaction of silica nanotubes with lipid membranes”, RSC Advances 3, 10323 (2013).


M. P. Proenca, J. Ventura, C. T. Sousa, M. Vazquez, and J. P. Araujo, “Temperature dependence of the training effect in electrodeposited Co/CoO nanotubes”, Journal of Applied Physics 114, 043914 (2013).


M. B. Barbosa, J. N. Gonçalves, A. Redondo-Cubero, S. M. C. Miranda, R. Simon, P. Kessler, M. Brandt, F. Henneberger, E. Nogales, M. Méndez, K. Johnston, E. Alves, R. Vianden, J. P. Araújo, K. Lorenz, J. G. Correia, “Nanostructures and thin films of transparent conductive oxides studied by perturbed angular correlations”, Physica Status Solidi B 250, 801 (2013).


1 M. A. Nagl, M. B. Barbosa, U. Vetter, J. G. Correia, H. C. Hofsäss, “A new tool for the search of nuclides with properties suitable for nuclear solid state physics based on the Evaluated Nuclear Structure Data Files”, Nuclear Instruments and Methods in Physics Research A 726, 17 (2013).


J. Ventura, J. M. Teixeira, E. Paz, J. S. Amaral, J. D. Costa, A. Apolinario, J. P. Araujo, S. Cardoso, R. Ferreira, and P. P. Freitas, “The influence of annealing on the bimodal distribution of blocking temperatures of exchange biased bilayers”, Physica Status Solidi RRL 7, 676 (2013).


D. A. Mota, G. Hema Chandra, J. Ventura, A. Guedes, and J. Pérez de la Cruz, “Influence of process parameters on the RF Sputtered GaP thin films,” Journal of Materials Science & Technology 29, 821 (2013).


D. A. Mota, Y. Romaguera-Barcelay, A. Tkach, J. Pérez de la Cruz, P. M. Vilarinho, P. B. Tavares, J. Agostinho Moreira, and A. Almeida, “Induced polarized state in intentionally grown oxygen deficient KTaO3 thin films,” Journal of Applied Physics 114, 034101 (2013).


D. A. Mota, Y. Romaguera Barcelay, P. B. Tavares, M. R. Chaves, A. Almeida, J. Oliveira, W. S. Ferreira, and J. Agostinho Moreira, “Competing exchanges and spin-phonon coupling in Eu1-xRxMnO3 (R=Y, Lu),” Journal of Physics: Condensed Matter 25, 235602 (2013).


J. P. B. Silva, K. C. Sekhar, A. Almeida, J. Agostinho Moreira, M. Pereira, and M. J. M. Gomes, “Influence of laser repetition rate on ferroelectric properties of pulsed laser deposited BaTiO3 films on platinized silicon substrate,” Applied Physics A 113, 379 (2013).


K. C. Sekhar, S. Levichev, M. Buljan, S. Bernstorff, Koppole Kamakshi, A. Chahboun, A. Almeida, J. Agostinho Moreira, M. Pereira, and M. J. M. Gomes, “Effect of bi-layer ratio in ZnO/Al2O3 multilayers on microstructure and functional properties of ZnO nanocrystals embedded in Al2O3 matrix,” Applied Physics A 10.1007/s00339-013-7809-x, (2013).


J. P. B. Silva, K. C. Sekhar, A. Almeida, J. Agostinho Moreira, M. Pereira, and M. J. M. Gomes, “Effects of oxygen partial pressure on the ferroelectric properties of pulsed laser deposited Ba0.8Sr0.2TiO3 thin films,” Applied Physics A 113, 817 (2013).


J. Agostinho Moreira, A. Almeida, and P. Simeão Carvalho, “Two Experimental Approaches of Looking at Buoyancy,” The Physics Teacher 51, 476 (2013).


J. M. M. M. de Almeida, and J. Agostinho Moreira, “Influence of diffusion parameters on the spectral characteristics of Raman modes of Ti:LiNbO3 planar waveguides,” Spectroscopy Letters: An International Journal for Rapid Communication 46, 453 (2013).


T. T. Carvalho, J. R. A. Fernandes, J. Perez de la Cruz, J. V. Vidal, N. A. Sobolev, F. Figueiras, S. 2 Das, V. S. Amaral, A. Almeida, J. Agostinho Moreira, and P. B. Tavares, “Room temperature structure and multiferroic properties in Bi0.7La0.3FeO3 ceramics,” Journal of Alloys and Compounds 554, 97 (2013).


Artur M. Pinto, Jorge Martins, J. Agostinho Moreira, Adélio M. Mendes, and Fernão D. Magalhães, “Dispersion of graphene nanoplatelets in poly(vinyl acetate) latex and effect on adhesive bond strength,” Polymer International 62, 928 (2013).


Armandina M. L. Lopes, Gonçalo N. P. Oliveira, Stanislav Ferdov, “Mild hydrothermal synthesis, isomorphous substitution, crystal structure characterization and magnetic properties of BaMP2O7(M = Mn, Cu)”, Solid State Sciences 26, 59 (2013).


Nuno A. Costa, João Pereira, João Ferra, Paulo Cruz, J. Agostinho Moreira, Jorge Martins, Fernão D. Magalhães, Adélio Mendes, and Luísa H. Carvalho, “The role of sucrose in amino polymers synthesized by the strongly acid process,” Journal of Adhesion Science and Technology 27, 7 (2013).


Two experimental approaches of looking at buoyancy concept, J. Agostinho Moreira, A. Almeida, P. Simeão Carvalho, Phys.Teacher, 2013, 51, 96-97.


How to Use a Candle to Study Sound Waves, P. Simeão Carvalho, M. Rodrigues, C. Pereira, M. Ataíde, E. Briosa, Phys.Teacher, 2013, 51, 398-399


Teaching physics with Angry Birds: exploring the kinematics and dynamics of the game, M. Rodrigues, P. Simeão Carvalho, Phys.Educ., 2013, 48, 431-437.


2012

G. N. P. Oliveira, A. M. Pereira, A. M. L. Lopes, J. S. Amaral, A. M. dos Santos, Y. Ren, T. M. Mendonça, C. T. Sousa, V. S. Amaral, J. G. Correia, and J. P. Araújo, "Dynamic off-centering of Cr3+ ions and short-range magneto-electric clusters in CdCr2S4", Physical Review B 86, 224418 (2012).


C. Pereira, A.M. Pereira, C. Fernandes, M. Rocha, R. Mendes, M. P. Fernández-García, A. Guedes, P.B. Tavares, J.M. Grenèche, J.P. Araújo, C. Freire, “Superparamagnetic MFe2O4 (M = Fe, Co, Mn) nanoparticles: tuning the particle size and magnetic properties through a novel one-step co-precipitation route” Chemistry of Materials 24, 1496 (2012).


J. Azevedo, C.T. Sousa, A. Mendes and J.P. Araújo.”Influence of the rest pulse duration in pulsed electrodeposition of iron nanowires.” Journal of Nanoscience and Nanotechnology 12, 1 (2012).


N. I. Polushkin, V. Oliveira, O. Conde, R. Vilar, A. Apolinário, A. García-García , J.M. Teixeira, G.N. Kakazei, Yu. N. Drozdov, “Evidences for direct magnetic patterning on diffusive transformations with femtosecond laser”, Applied Physics Letters 101, 132408 (2012).


J. H. Belo, A. M. Pereira, C. de la Cruz, A. M. dos Santos, J. N. Gonçalves, V. S. Amaral L. Morellon, M. R. Ibarra, P. A. Algarabel, C. Magen and J. P. Araújo, “Tailoring the magnetism of Tb5Si2Ge2 compounds by La substitution”, Physical Review B 86, 014403 (2012) . J. H. Belo, J. S. Amaral, A. M. Pereira, V. S. Amaral, and J. P. Araújo "On the Curie temperature dependency of the magnetocaloric effect" Applied Physics Letters 100, 242407 (2012) S. N. Kane, S. Tripathi, M. Coisson, E. S. Olivetti, P. Tiberto, F. Vinai, M. Baricco, G. Fiore, A. Apolinário, C. T. Sousa, J. P. Araujo, L. K. Varga, “Microstructure and Magnetic Properties of (Fe100-xCox)84.5Nb5B8.5P2 Alloys”, Journal of Alloys and Compounds 536, S337 (2012).


3 R. Krishna, E. Titus, L. C. Costa, J. C. J. M. D. S. Menezes, M. R.P. Correia, S. Pinto, J. Ventura, J. P Araujo, P. Ramesh Babu, J. J. Wang, J. A. S. Cavaleiro and J. J. A. Gracio, “Facile synthesis of hydrogenated reduced graphene oxide via hydrogen spillover mechanism”, Journal of Materials Chemistry 22, 10457 (2012).


L. M. Custodio, C. T. Sousa, J. O. Ventura, J. M. Teixeira, P. V. S. Marques and J. P. Araujo, “Birefringence swap at the transition to hyperbolic dispersion in metamaterials”, Physical Review B 85, 165408 (2012).


C. T. Sousa, D. C. Leitao, J. Ventura and J. P. Araujo, “A versatile synthesis method of dendrites-free multisegmented nanowires with a precise size control”, Nanoscale Research Letters 7, 168 (2012).


J. M. Teixeira, J. Ventura, M.P. Fernández-García, J.P. Araujo, J. B. Sousa, P. Wisnioowski, D.C. Leitao, P.P. Freitas, “Exchange biased CoFeB-MgO tunnel junctions at the onset of perpendicular anisotropy with in-plane/out-of-plane sensing capabilities”, Journal of Applied Physics 111, 053930 (2012).


D. J. Silva, B. D. Bordalo, A. M. Pereira, J. Ventura, J. P. Araujo, “Solid state magnetic refrigerator”, Applied Energy 93, 570 (2012).


J. H. Belo, A. M. Pereira, J. Ventura, G. N. P. Oliveira, J. P. Araujo, P. B. Tavares and L. Fernandes, P. A. Algarabel, C. Magen, L. Morellon, M. R. Ibarra, “Phase control studies in Gd5Si2Ge2 Giant Magnetocaloric compound”, Journal of Alloys and Compounds 529, 89 (2012).


S. Pinto, R. Krishna, C. Dias, G. Pimentel, G. N. P. Oliveira, J. M. Teixeira, P. Aguiar, E. Titus, J. Gracio, J. Ventura and J. P. Araujo, “Resistive switching and activity-dependent modifications in Ni-doped graphene oxide thin films”, Applied Physics Letters 101, 063104 (2012).


D. C. Leitao, J. Ventura, C. T. Sousa, J. M. Teixeira, J. B. Sousa, M. Jaafar, A. Ansejo, M. Vazquez, J. M. De Teresa and J. P. Araujo, “Tailoring the physical properties of thin nanohole arrays grown on flat anodic aluminum oxide templates”, Nanotechnology 23, 425701 (2012).


C. T. Sousa, A. Apolinario, D. C. Leitao, A. M. Pereira, J. Ventura and J. P. Araujo, “Precise control of the filling stages in branched nanopores”, Journal of Materials Chemistry 22, 7 (2012).


J. M. Teixeira, J. Ventura, M. P. Fernandéz-García, J. P. Araujo, J. B. Sousa, P. Wisniowski and P. P. Freitas, “Electrode band structure effects in thin MgO magnetic tunnel junctions”, Applied Physics Letters 100, 072406 (2012).


C. Suchomski, C. Reitz, K. Brezesinski, C. T. Sousa, M. Rohnke, K. Iimura, J. P. Araujo and T. Brezesinski, “Structural, Optical and Magnetic Properties of Highly Ordered Mesopourus MCr(2)O(4) and MCr(2-x)Fe(x)O(4) (M = Co, Zn) Spinel Thin Films with Uniform 15 nm Diameter Pores and Tunable Nanocrystalline Domain Sizes”, Chemistry of Materials 24, 155 (2012).


L. G. Vivas, M. Vazquez, J. Escrig, S. Allende, D. Altbir, D. C. Leitao and J. P. Araujo, “Magnetic anisotropy in CoNi nanowire arrays: Analytical calculations and experiments”, Physical Review B 85, 035439 (2012).


4 C. T. Sousa, C. Nunes, M. P. Proenca, D. C. Leitao, J. L. F. C. Lima, S. Reis, J. P. Araujo, and M. Lucio, “pH sensitive silica nanotubes as rationally designed vehicles for NSAIDs delivery”, Colloids and Surfaces B 94, 288 (2012).


C. T. Sousa, D. C. Leitao, M. P. Proenca, A. Apolinario, A. M. Azevedo, N. A. Sobolev, S. A. Bunyaev, Yu. G. Pogorelov, J. Ventura, J. P. Araujo, and G. N. Kakazei, “Probing the quality of Ni filled nanoporous alumina templates by magnetic techniques”, Journal of Nanoscience Nanotechnology 12, 7486 (2012).


M. P. Proenca, C. T. Sousa, J. Ventura, M. Vazquez, and J. P. Araujo, “Ni growth inside ordered arrays of alumina nanopores: Enhancing the deposition rate”, Electrochimica Acta 72, 215 (2012).


M. P. Proenca, C. T. Sousa, J. Ventura, M. Vazquez, and J. P. Araujo, “Distinguishing nanowires and nanotubes formation by the deposition current transients”, Nanoscale Research Letters 7, 280 (2012).


M. P. Proenca, C. T. Sousa, J. Ventura, J. P. Araujo, J. Escrig, and M. Vazquez, “Crossover between magnetic reversal modes in ordered Ni and Co nanotube arrays”, Spin 2, 1250014 (2012).


F. Valdés-Bango, A. Hierro-Rodriguez, J. M. Teixeira, G. N. Kakazei, Y. G. Pogorelov, G. Rodriguez-Rodriguez, M. Vélez, J. M. Alameda, J. B. Sousa, J. I. Martín, “Magnetic Behavior of High Density Arrays of Co Bars with Strong Magnetostatic Coupling”, Journal of Nanoscience and Nanotechnology 12, 7510 (2012).


S. V. Nedukh, S. I. Tarapov, D. P. Belozorov, A. A. Kharchenko, O. Y. Salyuk, and G. N. Kakazei, "Low Temperature FMR in the System of Non-Interacting Magnetic Nanodisks," Solid State Phenomena 190, 593 (2012).


I. García, J. Echeberria, G. N. Kakazei, V. O. Golub, O. Y. Saliuk, M. Ilyn, K. Y. Guslienko, and J. M. Gonzílez, "Evolution of the Magnetic Properties of Co10Cu90 Nanoparticles Prepared by Wet Chemistry with Thermal Annealing," Journal of Nanoscience and Nanotechnology 12, 7529 (2012).


M. Miranda, C. L. Arnold, T. Fordell, F. Silva, B. Alonso, R. Weigand, A. L’Huillier, and H. Crespo, "Characterization of broadband few-cycle laser pulses with the d-scan technique.," Optics express 20, 18732 (2012).


A. García-García, J. A. Pardo, P. Štrichovanec, C. Magén, A. Vovk, J. M. De Teresa, G. N. Kakazei, Y. G. Pogorelov, V. Golub, O. Salyuk, L. Morellón, P. A. Algarabel, and M. R. Ibarra, "Magnetic Properties of Epitaxial Discontinuous Fe/MgO Multilayers," Journal of Nanoscience and Nanotechnology 12, 7505 (2012).


A. E. Perekos, V. A. Chernenko, S. A. Bunyaev, V. P. Zalutskiy, T. V. Ruzhitskaya, O. F. Boitsov, and G. N. Kakazei, "Structure and magnetic properties of highly dispersed Ni-Mn-Ga powders prepared by spark-erosion," Journal of Applied Physics 112, 093909 (2012).


5 G. N. Kakazei, G. R. Aranda, S. A. Bunyaev, V. O. Golub, E. V. Tartakovskaya, A. V. Chumak, A. A. Serga, B. Hillebrands, and K. Y. Guslienko, "Probing dynamical magnetization pinning in circular dots as a function of the external magnetic field orientation," Physical Review B 86, 054419 (2012).


B. Alonso, M. Miranda, Í. J. Sola, and H. Crespo, "Spatiotemporal characterization of few-cycle laser pulses.," Optics express 20, 17880 (2012).


M. Miranda, T. Fordell, C. Arnold, A. L’Huillier, and H. Crespo, "Simultaneous compression and characterization of ultrashort laser pulses using chirped mirrors and glass wedges.," Optics express 20, 688 (2012).


D. S. Schmool, F. J. T. Goncalves, A. Apolinario, N. de Sousa, N. A. Sobolev, F. Casoli, F. Albertini, P. Lupo, R. L. Stamps, and C. Hu, "Modeling Exchange—Spring Layered Systems With Perpendicular Anisotropy Using Ferromagnetic Resonance Measurements," IEEE Transactions on Magnetics 48, 4081 (2012).


Daniel Tiago Ribeiro, Abílio Monteiro Almeida e Paulo Simeão Carvalho, “Indução eletromagnética em laboratório,”Revista Brasileira de Ensino de Física 34, 4317-1 (2012).


A. Tkach, A. Almeida, J. Agostinho Moreira, M. R. Chaves, A. Espinha, and P. M. Vilarinho, “Polar behaviour induced by lithium in potassium tantalate ceramics,” Journal of Physics-Condensed Matter 24, 045906 (2012).


J. Oliveira, J. Agostinho Moreira, A. Almeida, V. H. Rodrigues, M. M. R. Costa, P. B. Tavares, P. Bouvier, M. Guennou, and J. Kreisel, “Structural and insulator-to-metal phase transition at 50 GPa in GdMnO3,” Physical Review B 85, 052101 (2012).


P. Cardoso, J. Silva, J. Agostinho Moreira, D. Klosterman, F. W. J. van Hattum, R. Simoes, and S. Lanceros-Mendez, “Temperature dependence of the electrical conductivity of vapor grown carbon nanofiber/epoxy composites with different filler dispersion levels,” Physics Letters A 376, 3290 (2012).


K. C. Sekhar, A. Khodorov, A. Chahboun, S. Levichev, A. Almeida, J. Agostinho Moreira, Koppole Kamakshi, C. J. R. Silva, M. Pereira, and M. J. M. Gomes, “Oxygen partial pressure effect on structural and electrical behavior of pulsed laser deposited Zn0.98Co0.02O thin films,” Materials Chemistry and Physics 135, 174 (2012).


A. Tkach, P. M. Vilarinho, and Abílio Almeida, “Microscopy and the Solid Solubility Limit in K1-xMnxTaO3 Ceramics,” Microscopy and Microanalysis 18, 89 (2012).


J. P. B. Silva, K. C. Sekhar, A. Almeida, J. Agostinho Moreira, J. Martín-Sánchez, M. Pereira, A. Khodorov, and M. J. M. Gomes, “Effect of Pt bottom electrode texture selection on the tetragonality 6 and physical properties of Ba0.8Sr0.2TiO3 thin films produced by pulsed laser deposition,” Journal of Applied Physics 112, 044105 (2012).


J. Agostinho Moreira, A. Almeida, M. R. Chaves, J. Kreisel, J. Oliveira, F. Carpinteiro, and P. B. Tavares, “Magnetically-induced lattice distortions and ferroelectricity in magnetoelectric GdMnO3,” Journal of Physics-Condensed Matter 24, 436002 (2012).


A. Tkach, A. Almeida, J. Agostinho Moreira, J. Perez de la Cruz, Y. Romaguera-Barcelay, and P. M. Vilarinho, “Low-temperature dielectric response of NaTaO3 ceramics and films,” Appied Physics Letters 100, 192909 (2012).


Y. Romaguera-Barcelay, J. Agostinho Moreira, A. Almeida, J. P. Araújo, and J. Pérez de la Cruz, “Dimensional effects on the structure and magnetic properties of GdMnO3 thin films,” Materials Letters 70, 167 (2012).


Y. Romaguera Barcelay, J. Agostinho Moreira, A. Almeida, and J. Peréz de la Cruz, “Structural and electrical properties of LuMnO3 thin film prepared by chemical solution method,” Thin Solid Films 520, 1 (2012).


Indução eletromagnética em laboratório, Daniel Tiago Ribeiro, Abílio Monteiro Almeida e Paulo Simeão Carvalho, Revista Brasileira de Ensino de Física, 2012, 34(4), 4317(1-15).


2011

F. Wahaia, G. Valusis, L. M. Bernardo, A. Almeida, J. A. Moreira, P. C. Lopes, J Macutkevic, I. Kasalynas, D. Seliuta, R. Adomavicius, R. Henrique, and M. Lopes, “Detection of colon cancer by terahertz techniques,” Journal of Molecular Structure 1006, 77 (2011).


A. Tkach, A. Almeida, J. Agostinho Moreira, A. Espinha, M. R. Chaves, J. Perez de la Cruz, and P. M. Vilarinho, “Lithium-induced dielectric relaxations in potassium tantalate ceramics,” Journal of Physics D-Applied Physics 44, 315406 (2011).


A. Tkach, P. M. Vilarinho, and A. Almeida, “Role of initial potassium excess on the properties of potassium tantalate ceramics,” Journal of the European Ceramic Society 31, 2303 (2011).


M. Tomczyk, P. M. Vilarinho, J. Agostinho Moreira, and A. Almeida, “High temperature dielectric properties of YMnO3 ceramics,” Journal of Applied Physics 6, 064116 (2011).


P. C. Lopes, J. Agostinho Moreira, A. Almeida, A. Esteves, I. Gregora, M. Ledinsky, J. M. Lopes, R. Henrique, and A. Oliveira, “Discriminating adenocarcinoma from normal colonic mucosa through deconvolution of Raman spectra,” Journal of Biomedical Optics 16, 127001 (2011).


J. Oliveira, J. Agostinho Moreira, A. Almeida, M. R. Chaves, J. M. M. da Silva, J. B. Oliveira, M. A. Sá, P. B. Tavares, R. Ranjith, and W. Prellier, “Phase diagram of the orthorhombic, lightly lutetium doped EuMnO3 magnetoelectric system,” Physical Review B 84, 094414 (2011).


7 A. Tkach, T.M. Correia, A. Almeida, J. Agostinho Moreira, M. R. Chaves, O. Okhay, P. M. Vilarinho, I. Gregora, and J. Petzelt, “Role of trivalent Sr-substituents and Sr-vacancies in the tetragonal phase and polar soft mode of SrTiO3,” Acta Materialia 59, 5388 (2011).


Maria Eva Amorim, Teresa Delmira Sousa, P. Simeão Carvalho, Adriano Sampaio, and Sousa, “A Simple Experiment to Explore Standing Waves in a Flexible Corrugated Sound Tube,” Physics Teacher 49, 360 (2011).


A. M. L. Lopes, G. N. P. Oliveira, T. M. Mendonça, J. Agostinho Moreira, A. Almeida, J. P. Araújo, V. S. Amaral, and J. G. Correia, “Local distortions in multiferroic AgCrO2 triangular spin lattice,” Physical Review B 84, 014434 (2011).


J. M. Teixeira, J. Ventura, J. P. Araujo, J. B. Sousa, P. Wisniowski, S. Cardoso, and P. P. Freitas, "Resonant Tunneling through Electronic Trapping States in Thin MgO Magnetic Junctions," Physical Review Letters 106, 19 (2011).


I. O. Troyanchuk, D. V. Karpinsky, M. V. Bushinsky, V. A. Khomchenko, G. N. Kakazei, J. P. Araujo, M. Tovar, V. Sikolenko, V. Efimov, and A. L. Kholkin, "Isothermal structural transitions, magnetization and large piezoelectric response in Bi(1-x)La(x)FeO(3) perovskites," Physical Review B 83, 5 (2011).


J. M. Teixeira, R. Lusche, J. Ventura, R. Fermento, F. Carpinteiro, J. P. Araujo, J. B. Sousa, S. Cardoso, and P. P. Freitas, "Versatile, high sensitivity, and automatized angular dependent vectorial Kerr magnetometer for the analysis of nanostructured materials," Review of Scientific Instruments 82, 4 (2011).


Y. Romaguera-Barcelay, J. A. Moreira, G. Gonzalez-Aguilar, A. Almeida, J. P. Araujo, and J. P. de la Cruz, "Synthesis of orthorhombic rare-earth manganite thin films by a novel chemical solution route," Journal of Electroceramics 26, 44 (2011).


M. P. Proenca, C. T. Sousa, A. M. Pereira, P. B. Tavares, J. Ventura, M. Vazquez, and J. P. Araujo, "Size and surface effects on the magnetic properties of NiO nanoparticles," Physical Chemistry Chemical Physics 13, 9561 (2011).


Y. G. Pogorelov, H. G. Silva, and J. F. Polido, "Transport processes in metal-insulator granular layers," Physical Review B 83, 11 (2011).


S. Pinto, A. M. Pereira, J. Ventura, J. P. Araujo, D. Hsu, and J. G. Lin, "Magnetotransport properties of La(0.7)Sr(0.3)MnO(3)/Nd(0.6)Ca(0.4)MnO(3) superlattices up to 25 T," Journal Applied Physics 109, 7 (2011).


L. M. C. Pereira, U. Wahl, S. Decoster, J. G. Correia, M. R. da Silva, A. Vantomme, and J. P. Araujo, "Direct identification of interstitial Mn in heavily p-type doped GaAs and evidence of its high thermal stability," Applied Physics Letters 98, 20 (2011).


8 L. M. C. Pereira, J. P. Araujo, M. J. Van Bael, K. Temst, and A. Vantomme, "Practical limits for detection of ferromagnetism using highly sensitive magnetometry techniques," Journal of Physics D Applied Physics 44, 21 (2011).


A. M. Pereira, C. Pereira, A. S. Silva, D. S. Schmool, C. Freire, J. M. Greneche, and J. P. Araujo, "Unravelling the effect of interparticle interactions and surface spin canting in gamma-Fe(2)O(3)@ SiO(2) superparamagnetic nanoparticles," Journal of Applied Physics 109, 11 (2011).


A. M. Pereira, A. M. dos Santos, C. Magen, J. B. Sousa, P. A. Algarabel, Y. Ren, C. Ritter, L. Morellon, M. R. Ibarra, and J. P. Araujo, "Understanding the role played by Fe on the tuning of magnetocaloric effect in Tb(5)Si(2)Ge(2)," Applied Physics Letters 98, 122501 (2011).


A. M. Pereira, J. P. Araujo, J. R. Peixoto, M. E. Braga, P. A. Algarabel, C. Magen, L. Morellon, M. R. Ibarra, and J. B. Sousa, "Electron scattering processes in Ho(5)(Si(x)Ge(1-x))(4) compounds: Electrical resistivity studies," Physical Review B 83, 144117 (2011).


T. M. Mendonca, J. G. Correia, H. Haas, P. Odier, P. B. Tavares, M. R. da Silva, A. M. L. Lopes, C. Darie, and J. P. Araujo, "Perturbed Angular Correlations Studies in the HgBa(2)CaCu(2)O(6+delta) high-T(C) Superconductor," Journal of Superconductivity and Novel Magnetism 24, 1153 (2011).


V. M. Loktev and Y. G. Pogorelov, "Superconducting junctions from doped nonsuperconducting CuO(2) layers," Physical Review B 83, 132505 (2011).


D. C. Leitao, A. Apolinario, C. T. Sousa, J. Ventura, J. B. Sousa, M. Vazquez, and J. P. Araujo, "Nanoscale Topography: A Tool to Enhance Pore Order and Pore Size Distribution in Anodic Aluminum Oxide," Journal of Physical Chemistry C 115, 8567 (2011).


A. Garcia-Garcia, J. A. Pardo, P. Strichovanec, C. Magen, A. Vovk, J. M. De Teresa, G. N. Kakazei, Y. G. Pogorelov, L. Morellon, P. A. Algarabel, and M. R. Ibarra, "Tunneling magnetoresistance in epitaxial discontinuous Fe/MgO multilayers," Applied Physics Letters 98, 122502 (2011).


G. H. Chandra G. H. Chandra, J. P. de la Cruz, and J. Ventura, "The influence of argon pressure and RF power on the growth of InP thin films," Semiconductor Science and Technology 26, 075017 (2011).


C. T. Sousa, D. C. Leitao, M. P. Proenca, A. Apolinario, J. G. Correia, J. Ventura, and J. P. Araujo, “Tunning pore filling of anodic alumina templates by accurate control of the bottom barrier layer thickness”, Nanotechology 22, 315602 (2011).


Y. G. Pogorelov, M. C. Santos and V. M. Loktev, “Impurity effects in quasiparticle spectrum of high-T(c) superconductors” (Review Article), Low Temperature Physics 37, 633 (2011).


Y. G. Pogorelov, M. C. Santos and V. M. Loktev, “Specifics of impurity effects in ferropnictide superconductors”, Physical Review B 84, 144510 (2011).


L. M. C. Pereira et al., “Mixed Zn and O substitution of Co and Mn in ZnO”, Physical Review B 84, 125204 (2011).


9 C. Pereira et al., “VO(acac)(2) hybrid catalyst: from complex immobilization onto silica nanoparticles to catalytic application in the epoxidation of geraniol”, Catalysis Science & Technology 1, 784 (2011).


C. Pereira et al., “Designing Novel Hybrid Materials by One-Pot Cocondensation: From Hydrophobic Mesoporous Silica Nanoparticles to Superamphiphobic Cotton Textiles”, Acs Applied Materials & Interfaces 3, 2289 (2011).


A. M. Pereira, E. Kampert, J. M. Moreira, U. Zeitler, J. H. Belo, C. Magen, P. A. Algarabel, L. Morellon, M. R. Ibarra, J. N. Gonçalves, J. S. Amaral, V. S. Amaral, J. B. Sousa and J. P. Araújo, “Unveiling the (De)coupling of magnetostructural transition nature in magnetocaloric R(5)Si(2)Ge(2) (R = Tb, Gd) materials”, Applied Physics Letters 99, 132510 (2011).


K. J. Merazzo, D. C. Leitao, E. Jiménez, J. P. Araujo, J. Camarero, R. P. del Real, A. Asenjo and M. Vázquez, “Geometry-dependent magnetization reversal mechanism in ordered Py antidot arrays”, Journal of Physics D: Applied Physics 44, 505001 (2011).


T. M. Mendonça, P.B. Tavaresc, J. G. Correia, A.M.L. Lopes, C. Darie, J.P. Araújo, “The urea combustion method in the preparation of precursors for high-T(c) single phase HgBa(2)Ca(2)Cu(3)O(8+delta) superconductors”, Physica C – Superconductivity and Its Applications 471, 1643 (2011).


T. M. Mendonça, J. G. Correia, H. Haas, P. Odier, P. B. Tavares, M. R. da Silva, A. M. L. Lopes, A. M. Pereira, J. N. Gonçalves, J. S. Amaral, C. Darie, J. P. Araujo, “Oxygen ordering in the high-T(c) superconductor HgBa(2)CaCu(2)O(6+delta) as revealed by perturbed angular correlation”, Physical Review B 84, 094524 (2011).


D. C. Leitao, J. Ventura, C. T. Sousa, A. M. Pereira, J. B. Sousa, M. Vazquez, and J. P. Araujo, “Insights into the role of magnetoelastic anisotropy in the magnetization reorientation of magnetic nanowires”, Physical Review B 84, 014410 (2011).


M. P. Fernandez-Garcia, P. Gorria, M. Sevilla, M. P. Proenca, R. Boada, J. Chaboy, A. B. Fuertes, and J. A. Blanco, “Enhanced protection of carbon-encapsulated magnetic nickel nanoparticles through a sucrose-based synthetic strategy”, Journal of Physical Chemistry C 115, 5294 (2011).


D. S. Schmool, "Spin Dynamics in Exchange—Spring Nanosystems: A Short Review," Nanoscience and Nanotechnology Letters 3, 515 (2011).


T. Fordell, M. Miranda, C. L. Arnold, and A. L’Huillier, "High-speed carrier-envelope phase drift detection of amplified laser pulses," Optics Express 19, 23652 (2011).


G. N. Kakazei, M. Ilyn, O. Chubykalo-Fesenko, J. Gonzalez, A. A. Serga, A. V. Chumak, P. A. Beck, B. Laegel, B. Hillebrands, and K. Y. Guslienko, "Slow magnetization dynamics and energy barriers near vortex state nucleation in circular permalloy dots," Applied Physics Letters 99, 052512 (2011).


10 Y. G. Pogorelov, G. N. Kakazei, J. M. Teixeira, A. Hierro-Rodriguez, F. Valdés-Bango, M. Vélez, J. M. Alameda, J. I. Martín, J. Ventura, and J. B. Sousa, "Magnetization processes in rectangular versus rhombic planar superlattices of magnetic bars," Physical Review B 84, 052402 (2011).


J. L. Silva, H. M. Crespo, and R. Weigand, "Generation of high-energy vacuum UV femtosecond pulses by multiple-beam cascaded four-wave mixing in a transparent solid.," Applied optics 50, 1968 (2011).


J. Dubowik, A. Ehresmann, G. Kakazei, and S. A. Bunyaev, "Epitaxial Growths and Magnetization Dynamics of Ni2MnSn Heusler Alloy Films," Acta Physica Polonica A 121, 1121 (2011).


J. Agostinho Moreira, A. Almeida, W. S. Ferreira, M. R. Chaves, J. B. Oliveira, J. M. Machado da Silva, M. A. Sá, S. M. F. Vilela, P. B. Tavares, “Ferroelectricity in antiferromagnetic phases of Eu1-xYxMnO3,” Solid State Communications 151, 368 (2011).


A. Tkach, A. Almeida, J. Agostinho Moreira, T. M. Correia, M. R. Chaves, O. Okhay, P. M. Vilarinho, I. Gregora, and J. Petzelt, “Enhancement of tetragonality and role of strontium vacancies in heterovalent doped SrTiO3,” Applied Physics Letters 98, 052903 (2011).


A Simple Experiment to Explore Standing Waves in a Flexible Corrugated Sound Tube, Maria Eva Amorim, Teresa Delmira Sousa, P. Simeão Carvalho, Adriano Sampaio e Sousa, Phys. Teacher, 2011, 49:11, 360-362.


Newton’s Second Law – virtual experimental activity, Edite Briosa, P. Simeão CarvalhoProceedings of 16th International Workshop on Multimedia in Physics Teaching and Learning (MPTL’16), Ljubljana (Slovenia), 2011, 107-113.


2010

J. Yang, R. J. Macedo, M. G. Debs, R. Ferreira, S. Cardoso, P. J. P. Freitas, J. M. Teixeira, and J. O. Ventura, "Spin Transfer on Low Resistance-Area MgO-Based Magnetic Tunnel Junctions Prepared by Ion Beam Deposition," IEEE Transactions on Magnetics 46, 2002 (2010).


J. Ventura, J. M. Teixeira, J. P. Araujo, J. B. Sousa, R. Ferreira, P. P. Freitas, J. Langer, B. Ocker, and W. Maass, "Influence of Pinholes on MgO-Tunnel Junction Barrier Parameters Obtained from Current-Voltage Characteristics," Journal of Nanoscience and Nanotechnology 10, 2731 (2010).


J. Ventura, J. P. Araujo, J. B. Sousa, Y. Liu, Z. Zhang, and P. P. Freitas, "Probing atomic rearrangement events in resistive switching nanostructures," Applied Physics Letters 96, 043505 (2010).


J. M. Teixeira, J. Ventura, J. P. Araujo, J. B. Sousa, P. Wisniowski, and P. P. Freitas, "Tunneling processes in thin MgO magnetic junctions," Applied Physics Letters 96, 262506 (2010).


J. M. Teixeira, J. Ventura, J. P. Araujo, J. B. Sousa, M. P. Fernandez-Garcia, P. Wisniowski, and P. P. Freitas, "Evidence of spin-polarized direct elastic tunneling and onset of superparamagnetism in MgO magnetic tunnel junctions," Physical Review B 81, 134423 (2010).


H. G. Silva and Y. G. Pogorelov, "Coherent Transport in High Performance Double Magnetic Junctions," Journal of Nanoscience and Nanotechnology 10, 2917 (2010).


H. G. Silva, A. M. Pereira, J. M. Teixeira, J. M. Moreira, G. N. Kakazei, J. P. Araujo, Y. G. Pogorelov, J. B. Sousa, M. E. Braga, B. Raquet, H. Rakoto, C. Gatel, E. Snoeck, S. Cardoso, and P. P. Freitas, "Magnetic field strength and orientation effects on Co-Fe discontinuous multilayers close to percolation," Physical Review B 82, 144432 (2010).


11 C. Pereira, A. M. Pereira, P. Quaresma, P. B. Tavares, E. Pereira, J. P. Araujo, and C. Freire, "Superparamagnetic gamma-Fe2O3@SiO2 nanoparticles: a novel support for the immobilization of VO(acac)(2)," Dalton Transactions 39, 2842 (2010).


A. M. Pereira, J. C. Soares, J. Ventura, J. B. Sousa, J. P. Araujo, and J. Oliveira, "Influence of Micro-Channel Shape and Magnetic Material on the Magneto-Refrigeration Process of Integrated Circuits," Journal of Nanoscience Nanotechnology 10, 2590 (2010).


A. M. Pereira, L. Morellon, C. Magen, J. Ventura, P. A. Algarabel, M. R. Ibarra, J. B. Sousa, and J. P. Araujo, "Griffiths-like phase of magnetocaloric R(5)(Si(x)Ge(1-x))(4) (R=Gd, Tb, Dy, and Ho)," Physical Review B 82, 172406 (2010).


S. Patricio, A. I. Cruz, K. Biernacki, J. Ventura, P. Eaton, A. L. Magalhaes, C. Moura, A. R. Hillman, and C. Freire, "Novel Layer-by-Layer Interfacial Ni(salen) -Polyelectrolyte Hybrid Films," Langmuir 26, 10842 (2010).


C. S. Neves, P. Quaresma, P. V. Baptista, P. A. Carvalho, J. P. Araujo, E. Pereira, and P. Eaton, "New insights into the use of magnetic force microscopy to discriminate between magnetic and nonmagnetic nanoparticles," Nanotechnology 21, 305706 (2010).


P. Simeão Carvalho, Ana Paula Lima, and Pedro Simeão Carvalho, “Storing the Electric Energy Produced by an AC Generator,” Physics Teacher 48, 326 (2010).


V. Goian, S. Kamba, C. Kadlec, D. Nuzhnyy, P. Kužel, J. Agostinho Moreira, A. Almeida, and P. B. Tavares, “THz and infrared studies of multiferroic hexagonal Y1-xEuxMnO3 (x=0-0.2) ceramics,” Phase Transitions 83, 931 (2010).


J. A. Moreira, A. Almeida, W. S. Ferreira, M. R. Chaves, J. P. Araujo, A. M. Pereira, S. M. F. Vilela, and P. B. Tavares, "Polar properties and phase sequence in Eu(0.8)Y(0.2)MnO(3)," Journal of Physics: Condensed Matter 22, 125901 (2010).


J. Agostinho Moreira, A. Almeida, W. S. Ferreira, M. R. Chaves, J. B. Oliveira, J. M. Machado da Silva, M. A. Sá, S. M. F. Vilela, and P. B. Tavares, “Structure and physical properties of Eu0.8Y0.2MnO3 ceramics,” Journal of Electroceramics 25, 203 (2010).


J. A. Moreira, A. Almeida, W. S. Ferreira, J. P. Araujo, A. M. Pereira, M. R. Chaves, M. M. R. Costa, V. A. Khomchenko, J. Kreisel, D. Chernyshov, S. M. F. Vilela, and P. B. Tavares, "Strong magnetoelastic coupling in orthorhombic Eu(1-x)Y(x)MnO(3) manganite," Physical Review B 82, 094418 (2010).


J. M. Coelho, J. Agostinho Moreira, A. Almeida, and F. J. Monteiro, “Synthesis and characterization of HAp nanorods from a cationic surfactant template method,” Journal of Materials Science: Materials in Medicine 21, 2543 (2010).


12 S. Zlotnik, P. M. Vilarinho, M. Elisabete V. Costa, J. Agostinho Moreira, and A. Almeida, “Growth of Incipient Ferroelectric KTaO3 Single Crystals by a Modified Self-Flux Solution Method,” Crystal Growth & Design 10, 3397 (2010).


J. A. Moreira, A. Almeida, W. S. Ferreira, J. E. Araujo, A. M. Pereira, M. R. Chaves, J. Kreisel, S. M. F. Vilela, and P. B. Tavares, "Coupling between phonons and magnetic excitations in orthorhombic Eu(1-x)YxMnO3," Physical Review B 81, 054447 (2010).


D. C. Leitao, J. Ventura, A. M. Pereira, C. T. Sousa, J. M. Moreira, F. C. Carpinteiro, J. B. Sousa, M. Vazquez, and J. P. Araujo, "Study of Nanostructured Array of Antidots Using Pulsed Magnetic Fields," Journal of Low Temperature Physics 159, 245 (2010).


D. C. Leitao, C. T. Sousa, J. Ventura, K. R. Pirota, M. Vazquez, J. B. Sousa, and J. P. Araujo, "Delocalized versus localized magnetization reversal in template-grown Ni and Ni(80)Fe(20) nanowires," Journal of Magnetism and Magnetic Materials 322, 1319 (2010).


V. A. Khomchenko, D. V. Karpinsky, A. L. Kholkin, N. A. Sobolev, G. N. Kakazei, J. P. Araujo, I. O. Troyanchuk, B. F. O. Costa, and J. A. Paixao, "Rhombohedral-to-orthorhombic transition and multiferroic properties of Dy-substituted BiFeO(3)," Journal of Applied Physics 108, 074109 (2010).


V. A. Khomchenko, G. N. Kakazei, Y. G. Pogorelov, J. P. Araujo, M. V. Bushinsky, D. A. Kiselev, A. L. Kholkin, and J. A. Paixao, "Effect of Gd substitution on ferroelectric and magnetic properties of Bi4Ti3O12," Materials Letters 64, 1066 (2010).


G. N. Kakazei, N. M. Santos, C. Quiros, M. Velez, J. I. Martin, J. M. Alameda, V. O. Golub, O. Y. Saliuk, Y. G. Pogorelov, J. B. Sousa, M. C. Carmo, and N. A. Sobolev, "Magnetic properties of amorphous Co(0.74)Si(0.26)/Si multilayers with different numbers of periods," Low Temperature Physics 36, 821 (2010).


I. T. Gomes, A. M. Pereira, J. Ventura, F. Carpinteiro, J. M. Moreira, J. P. Araujo, J. Barbosa, and B. G. Almeida, "High-Field Magnetoresistance of La(0.67)Sr(0.33)MnO(3) Thin Films Deposited on LiNbO(3) Substrates," Journal of Low Temperature Physics 159, 156 (2010).


I. T. Gomes, B. G. Almeida, A. M. L. Lopes, J. P. Araujo, J. Barbosa, and J. A. Mendes, "Structural and magnetic characterization of LaSrMnO(3) thin films deposited by laser ablation on MgO substrates," Journal of Magnetism and Magnetic Materials 322, 1174 (2010).


S. Decoster, S. Cottenier, U. Wahl, J. G. Correia, L. M. C. Pereira, C. Lacasta, M. R. Da Silva, and A. Vantomme, "Diluted manganese on the bond-centered site in germanium," Applied Physics Letters 97, 151914 (2010).


N. de Sousa, A. Apolinario, F. Vernay, P. M. S. Monteiro, F. Albertini, F. Casoli, H. Kachkachi, and D. S. Schmool, "Spin configurations in hard/soft coupled bilayer systems: Transitions from rigid magnet to exchange-spring," Physical Review B 82, 104433 (2010).


13 A. Alija, D. P. de Lara, E. M. Gonzalez, G. N. Kakazei, J. B. Sousa, J. P. Araujo, A. Hierro-Rodriguez, J. I. Martin, J. M. Alameda, M. Velez, and J. L. Vicent, "Ferromagnetic proximity effect in a-Co(x)Si(1-x)/Nb bilayers: Role of magnetic disorder and interface transparency," Physical Review B 82, 184529 (2010).


A. A. Awad, K. Y. Guslienko, J. F. Sierra, G. N. Kakazei, V. Metlushko, and F. G. Aliev, "Precise probing spin wave mode frequencies in the vortex state of circular magnetic dots," Applied Physics Letters 96, 012503 (2010).


J. Anacleto, M. G. Pereira, and N. J. Gonçalves, "On thermodynamical work and heat definitions and their consistency regarding the second law," Revista Brasileira de Ensino de Física 32, 1 (2010).


J. Anacleto and J. M. Ferreira, "Minimizing the generation of entropy: which sequence of reservoirs to choose?," European Journal of Physics 31, L1 (2010).


A. A. Soares, J. M. Ferreira, L. Caramelo, J. Anacleto, and R. P. Chhabra, "Effect of temperature-dependent viscosity on forced convection heat transfer from a cylinder in crossflow of power-law fluids," International Journal of Heat and Mass Transfer 53, 4728 (2010).


M. Swoboda, T. Fordell, K. Klünder, J. M. Dahlström, M. Miranda, C. Buth, K. J. Schafer, J. Mauritsson, A. L’Huillier, and M. Gisselbrecht, "Phase Measurement of Resonant Two-Photon Ionization in Helium," Physical Review Letters 104, 103003 (2010).


J. R. Birge, H. M. Crespo, and F. X. Kärtner, "Theory and design of two-dimensional spectral shearing interferometry for few-cycle pulse measurement," Journal of the Optical Society of America B 27, 1165 (2010).


L. T. Tsymbal, Y. B. Bazaliy, G. N. Kakazei, and S. V. Vasiliev, "Mechanisms of magnetic and temperature hysteresis in ErFeO3 and TmFeO3 single crystals," Journal of Applied Physics 108, 083906 (2010).


A. A. Awad, G. R. Aranda, D. Dieleman, K. Y. Guslienko, G. N. Kakazei, B. A. Ivanov, and F. G. Aliev, "Spin excitation frequencies in magnetostatically coupled arrays of vortex state circular Permalloy dots," Applied Physics Letters 97, 132501 (2010).


P. M. S. Monteiro and D. S. Schmool, "Magnetization dynamics in exchange-coupled spring systems with perpendicular anisotropy," Physical Review B 81, 214439 (2010).


M. P. Fernández-García, P. Gorria, J. A. Blanco, A. B. Fuertes, M. Sevilla, R. Boada, J. Chaboy, D. Schmool, and J.-M. Grenèche, "Microstructure and magnetism of nanoparticles with ?-Fe core surrounded by a-Fe and iron oxide shells," Physical Review B 81, 094418 (2010).


H.-B. Braun, R. W. Chantrell, O. Gutfleisch, R. Sessoli, M. P. Fernández, D. S. Schmool, A. S. Silva, M. Sevilla, A. B. Fuertes, P. Gorria, and J. A. Blanco, "Control of crystalline phases in magnetic Fe nanoparticles inserted inside a matrix of porous carbon," Journal of Magnetism and Magnetic Materials 322, 1300 (2010).


14 J. Anacleto, "Work reservoirs in thermodynamics," European Journal of Physics 31, 617 (2010).


J. Agostinho Moreira, A. Almeida, W. S. Ferreira, M. R. Chaves, S. M. F. Vilela, P. B. Tavares, B. Kundys, R. Ranjith, and W. Prellier, “Effect of the external fields on the polar and dielectric properties of Eu0.8Y0.2MnO3,” Journal of Applied Physics 107, 024108 (2010).


Storing the Electric Energy Produced by an AC Generator, P. Simeão Carvalho, Ana Paula Lima, Pedro Simeão Carvalho, Phys. Teacher, 2010, 48:05, 326-327.


2009

I. G. Trindade, J. Oliveira, R. Fermento, J. B. Sousa, S. Cardoso, P. P. Freitas, A. Raghunathan, and J. E. Snyder, "Soft Thin Films for Flux Concentrators," IEEE Transactions on Magnetics 45, 168 (2009).


I. G. Trindade, D. C. Leitao, Y. Pogorelov, J. B. Sousa, R. C. Chaves, S. Cardoso, and P. P. Freitas, "Control of hysteretic behavior in flux concentrators," Applied Physics Letters 94, 073501 (2009).


I. G. Trindade, D. Leitao, R. Fermento, Y. Pogorelev, and J. B. Sousa, "Electron scattering characteristics of polycrystalline metal transition films by in-situ electrical resistance measurements," Journal of Magnetism and Magnetic Materials 321, 2494 (2009).


I. G. Trindade, R. Fermento, D. Leitao, and J. B. Sousa, "A method to investigate the electron scattering characteristics of ultrathin metallic films by in situ electrical resistance measurements," Review of Scientific Instruments 80, 073909 (2009).


E. Titus, M. K. Singh, G. Cabral, V. Paserin, P. R. Babu, W. J. Blau, J. Ventura, J. P. Araujo, and J. Gracio, "Fabrication of vertically aligned carbon nanotubes for spintronic device applications," Journal of Materials Chemistry 19, 7216 (2009).


J. M. Teixeira, J. Ventura, R. Fermento, J. P. Araujo, J. B. Sousa, P. Wisniowski, and P. P. Freitas, "Electroforming, magnetic and resistive switching in MgO-based tunnel junctions," Journal of Physics D: Applied Physics 42, 105407 (2009).


J. M. Teixeira, J. Ventura, F. Carpinteiro, J. P. Araujo, J. B. Sousa, P. Wisniowski, and P. P. Freitas, "The effect of pinhole formation/growth on the tunnel magnetoresistance of MgO-based magnetic tunnel junctions," Journal of Applied Physics 106, 073707 (2009).


C. T. Sousa, A. M. L. Lopes, M. P. Proenca, D. C. Leitao, J. G. Correia, and J. P. Araujo, "Rapid Synthesis of Ordered Manganite Nanotubes by Microwave Irradiation in Alumina Templates," Journal of Nanoscience Nanotechnology 9, 6084 (2009).


H. G. Silva and Y. G. Pogorelov, "Temperature and voltage effects in high performance magnetic junctions", in Physica Status Solidi C - Current Topics in Solid State Physics 6, 2150 (2009) H. G. Silva and Y. G. Pogorelov, "Matrix description of magnetotransport in perfect multilayered structures," Journal of Physics D: Applied Physics 42, 195003 (2009).


15 H. G. Silva, H. L. Gomes, Y. G. Pogorelov, L. M. C. Pereira, G. N. Kakazei, J. B. Sousa, J. P. Araujo, J. F. L. Mariano, S. Cardoso, and P. P. Freitas, "Magnetic and transport properties of diluted granular multilayers," Journal of Applied Physics 106, 113910 (2009).


H. Silva, H. L. Gomes, Y. G. Pogorelov, P. Stallinga, D. M. de Leeuw, J. P. Araujo, J. B. Sousa, S. C. J. Meskers, G. Kakazei, S. Cardoso, and P. P. Freitas, "Resistive switching in nanostructured thin films," Applied Physics Letters 94, 202107 (2009).


D. L. Rocco, J. S. Amaral, J. V. Leitao, V. S. Amaral, M. S. Reis, R. P. Fernandes, A. M. Pereira, J. P. Araujo, N. V. Martins, P. B. Tavares, and A. A. Coelho, "Percolation processes and spin-reorientation of PrNi(5-x)Co(x)," Physical Review B 79, 014428 (2009).


D. L. Rocco, J. S. Amaral, J. V. Leitao, V. S. Amaral, M. S. Reis, S. Das, R. P. Fernandes, J. P. Araujo, A. M. Pereira, P. B. Tavares, N. V. Martins, and A. A. Coelho, "High refrigerant capacity of PrNi(5-x)Co(x) magnetic compounds exploiting its spin reorientation and magnetic transition over a wide temperature zone," Journal of Physics D: Applied Physics 42, 4 (2009).


C. Ritter, C. Magen, L. Morellon, P. A. Algarabel, M. R. Ibarra, A. M. Pereira, J. P. Araujo, and J. B. Sousa, "Magnetic and crystal structure of Ho(5)(SixGe(1-x))(4) studied by neutron diffraction," Physical Review B 80, 104427 (2009).


V. A. Khomchenko, D. A. Kiselev, M. Kopcewicz, M. Maglione, V. V. Shvartsman, P. Borisov, W. Kleemann, A. M. L. Lopes, Y. G. Pogorelov, J. P. Araujo, R. M. Rubinger, N. A. Sobolev, J. M. Vieira, and A. L. Kholkin, "Doping strategies for increased performance in BiFeO(3)," Journal of Magnetism and Magnetic Materials 321, 1692 (2009).


J. F. Collingwood, S. B. Palmer, M. R. Lees, C. Edwards, J. A. Santos, J. B. Sousa, and D. C. Jiles, "Ferro I phase and gadolinium," Physical Review B 79, 104401 (2009).


P. S. Carvalho, F. Figueiras, S. Mendonca, C. M. Pereira, and M. Rodrigues, "Dielectric Relaxation and Optical Transmittance of PVC Membranes Modified by Nematic Liquid Crystal," International Journal of Polymeric Materials 58, 588 (2009).


J. Barbosa, B. G. Almeida, J. A. Mendes, D. Leitao, and J. P. Araujo, "Influence of Grain Size Dispersion on the Magnetic Properties of Nanogranular BaTiO(3)-CoFe(2)O(4) Thin Films," Journal of Nanoscience Nanotechnology 9, 3742 (2009).


W. S. Ferreira, J. Agostinho Moreira, A. Almeida, M. R. Chaves, J. P. Araujo, J. B. Oliveira, J. M. Machado da Silva, M. A. Sá, T. M. Mendonça, P. Simeão Carvalho, J. Kreisel, J. L. Ribeiro, L. G. Vieira, P. B. Tavares and S. Mendonça, “Spin-phonon coupling and magnetoelectric properties: EuMnO(3) versus GdMnO(3)”, Physical Review B 79, 054303 (2009).


V. A. Khomchenko, M. Kopcewicz, A. M. Lopes, Y. G. Pogorelov, J. P. Araujo, J. M. Vieira and A. L. Kohlkin, “Correlation Between Ionic Radius of Substituting Element and Magnetic Properties of Bi(1-x)A(x)FeO(3-x/2) (A = Ca, Sr, Pb, Ba) Multiferroics”, Journal of Magnetism and Magnetic Materials 152, 131 (2009).


16 L. T. Tsymbal, G. N. Kakazei and Ya. B. Bazaliy, “Single-domain-wall states in millimeter-scale samples of ErFeO(3)”, Physical Review B 79, 092414 (2009).


Farkhad G. Aliev, Juan F. Sierra, Amhad A. Awad, Gleb N. Kakazei, Dong-Soo Han, Sang-Koog Kim, Vitali Metlushko, Bojan Ilic and konstantin Y. Guslienko, “Spin waves in circular soft magnetic dots at the crossover between vortex and single domain start”, Physical Review B 79, 174433 (2009).


U. Wahl, J. G. Correia, T. Mendonça and S. Decoster, “Direct evidence for Sb as a Zn site impurity in ZnO”, Applied Physics Letters 94, 261901 (2009).


U. Wahl, J. G. Correia, S. Decoster, T. Mendonça, “Lattice location of the group V elements As and Sb in ZnO”, Physica B – Condensed Matter 404, 4803 (2009).


P. Alpuim, E. S. Marins, P. F. Rocha, I. G. Trindade, M. A. Carvalho, S. Lanceros-Mendez, “Ultra-sensitive shape sensor test structures based on piezoresistive doped nanocrystalline silicon”, Vacuum 83, 1279 (2009).


P. Toulemonde, C. Darie, C. Goujon, M. Legendre, T. Mendonca, M. Alvarez-Murga, V. Simonet, P. Bordet, P. Bouvier, J. Kreisel, M. Mezouar , “Single crystal growth of BiMnO(3) under high pressure-high temperature”, High Pressure Reaserch 29, 600 (2009).


D. C. Leitão, C. T. Sousa, J. Ventura, K. R. Pirota, M. Vasquez, J. B. Sousa, J. P. Araújo, “Delocalized versus localized magnetization reversal in template-grown Ni and Ni(80)Fe(20) nanowires”, Journal of Magnetism and Magnetic Materials 322, 1319 (2009).


J. L. Silva, R. Weigand, and H. M. Crespo, "Octave-spanning spectra and pulse synthesis by nondegenerate cascaded four-wave mixing," Optics Letters 34, 2489 (2009).


A. A. Amorim, M. V Tognetti, P. Oliveira, J. L. Silva, L. M. Bernardo, F. X. Kärtner, and H. M. Crespo, "Sub-two-cycle pulses by soliton self-compression in highly nonlinear photonic crystal fibers.," Optics letters 34, 3851 (2009).


L. Tsymbal, G. Kakazei, and Y. Bazaliy, "Single-domain-wall states in millimeter-scale samples of ErFeO3," Physical Review B 79, 092414 (2009).


F. Aliev, J. Sierra, A. Awad, G. Kakazei, D.-S. Han, S.-K. Kim, V. Metlushko, B. Ilic, and K. Guslienko, "Spin waves in circular soft magnetic dots at the crossover between vortex and single domain state," Physical Review B 79, 174433 (2009).


E. Cursino, D. S. Schmool, J. S. Garitaonandia, and D. Rodrigues, "Artificial Pinning Center Studies in BI2212 Tapes and Bulks With Zirconium Oxide Inclusion," IEEE Transactions on Applied Superconductivity 19, 3516 (2009).


17 R. Weigand, J. Mendonça, and H. Crespo, "Cascaded nondegenerate four-wave-mixing technique for high-power single-cycle pulse synthesis in the visible and ultraviolet ranges," Physical Review A 79, 063838 (2009).


L. T. Tsymbal, Y. B. Bazaliy, and G. N. Kakazei, "The origin of the double-triangle hysteresis loops in ErFeO3 near the low temperature erbium ordering transition," Bulletin of the American Physical Society 54 (2009).


A. A. Soares, J. Anacleto, L. Caramelo, J. M. Ferreira, and R. P. Chhabra, "Mixed Convection From a Circular Cylinder to Power Law Fluids," Industrial & Engineering Chemistry Research 48, 8219 (2009).


T. Fordell, M. Miranda, A. Persson, and A. L’Huillier, "Carrier-envelope phase stabilization of a multi-millijoule, regenerative-amplifier-based chirped-pulse smplifier system.," Optics Express 17, 21091 (2009).


J. Anacleto, J. M. Ferreira, and A. A. Soares, "When an adiabatic irreversible expansion or compression becomes reversible," European Journal of Physics 30, 487 (2009).


M. Y. Sander, J. Birge, A. Benedick, H. M. Crespo, and F. X. Kärtner, "Dynamics of dispersion managed octave-spanning titanium:sapphire lasers," Journal of the Optical Society of America B 26, 743 (2009).


X. He, M. Miranda, J. Schwenke, O. Guilbaud, T. Ruchon, C. Heyl, E. Georgadiou, R. Rakowski, A. Persson, M. Gaarde, and A. L’Huillier, "Spatial and spectral properties of the high-order harmonic emission in argon for seeding applications," Physical Review A 79, 063829 (2009).


J. Anacleto and M. G. Pereira, "Adiabatic process reversibility: microscopic and macroscopic views," European Journal of Physics 30, L35 (2009).


J. Anacleto and M. G. Pereira, "From free expansion to abrupt compression of an ideal gas," European Journal of Physics 30, 177 (2009).


J. Agostinho Moreira, A. Almeida, W. S. Ferreira, M. R. Chaves, B. Kundys, R. Ranjith, W. Prellier, S. M. F. Vilela, and P. B. Tavares, “Polar properties of Eu0.6Y0.4MnO3 ceramics and their magnetic field dependence,” Journal of Physics: Condensed Matter 21, 446002 (2009).


J. Perez, P.M. Vilarinho, A.L. Kholkin, and A. Almeida, “Sol–gel reaction stability studied: Influence in the formation temperature and properties of ferroelectric thin films,” Materials Research Bulletin 44, 515 (2009).


18 P. Simeão Carvalho, F. Figueiras, S. Mendonça, C.M. Pereira, and M. Rodrigues, “Dielectric Relaxation and Optical Transmittance of PVC Membranes Modified by Nematic Liquid Crystal,” International Journal of Polymeric Materials and Polymeric Biomaterials 58, 588 (2009).


David F. M. Neri, Victor M. Balcão, Fernando O. Q. Dourado, José M. B. Oliveira, Luiz B. Carvalho Jr., and José A. Teixeira, “Galactooligosaccharides production by ß-galactosidase immobilized onto magnetic polysiloxane–polyaniline particles,” Reactive and Functional Polymers 69, 246 (2009).


2008

J. Ventura, J. M. Teixeira, J. P. Araujo, J. B. Sousa, P. Wisniowski, and P. P. Freitas, "Pinholes and temperature-dependent transport properties of MgO magnetic tunnel junctions," Physical Review B 78, 024403 (2008).


J. Ventura, J. P. Araujo, and J. B. Sousa, "Training effect in specular spin valves," Physical Review B 77, 184404 (2008).


I. G. Trindade, J. Teixeira, R. Ferrnento, J. B. Sousa, S. Cardoso, R. C. Chaves, and P. P. Freitas, "High Sensitivity Spin Valve Sensors With AF Coupled Flux Guides," IEEE Transactions on Magnetics 44, 2472 (2008).


I. G. Trindade, R. Fermento, J. B. Sousa, R. C. Chaves, S. Cardoso, and P. P. Freitas, "Linear field amplification for magnetoresistive sensors," Journal of Applied Physics 103, 103914 (2008).


J. M. Teixeira, J. Ventura, Y. G. Pogorelov, and J. B. Sousa, "Quantum effects in atomically perfect specular spin valve structures," Journal of Physics: Condensed Matter 20, 365205 (2008).


H. G. Silva and Y. G. Pogorelov, "Simple tight-binding theory for magnetoresistance in perfect sandwiched structures," Physical Review B 78, 094428 (2008).


M. P. Proenca, C. T. Sousa, D. C. Leitao, J. Ventura, J. B. Sousa, and J. P. Araujo, "Nanopore formation and growth in phosphoric acid Al anodization," Journal of Non-Crystalline Solids 354, 5238 (2008).


Y. G. Pogorelov, G. N. Kakazei, M. D. Costa, and J. B. Sousa, "Collective dynamics and ferromagnetic order in random planar arrays of magnetic granules," J Appl Phys 103 (7) (2008).


15. A. M. Pereira, J. B. Sousa, J. P. Araujo, C. Magen, P. A. Algarabel, L. Morellon, C. Marquina, and M. R. Ibarra, "Structural and magnetic properties of Ho(5)(Si(x)Ge(1-x))(4)," Physical Review B 77, 134404 (2008).


A. M. L. Lopes, J. P. Araujo, V. S. Amaral, J. G. Correia, Y. Tomioka, and Y. Tokura, "New phase transition in the Pr(1-x)Ca(x)MnO(3) system: Evidence for electrical polarization in charge ordered manganites," Physical Review Letters 100, 155702 (2008).


19 V. M. Loktev and Y. G. Pogorelov, "Model for modulated electronic configurations in selectively doped multilayered La(2)CuO(4) nanostructures," Physical Review B 78, 180501 (2008).


D. C. Leitao, C. T. Sousa, J. Ventura, F. Carpinteiro, J. G. Correia, M. M. Amado, J. B. Sousa, and J. P. Araujo, "Influence of surface pre-treatment in the room temperature fabrication of nanoporous alumina", Physica Status Solidi C - Current Topics in Solid State Physics 5, 3488 (2008).


V. A. Khomchenko, M. Kopcewicz, A. M. L. Lopes, G. Pogorelov, J. P. Araujo, J. M. Vieira, and A. L. Kholkin, "Intrinsic nature of the magnetization enhancement in heterovalently doped Bi(1-x)A(x)FeO(3) (A = Ca, Sr, Pb, Ba) multiferroics," Journal of Physics D, Applied Physics 41, 102003 (2008).


V. A. Khomchenko, D. A. Kiselev, J. M. Vieira, L. Jian, A. L. Kholkin, A. M. L. Lopes, Y. G. Pogorelov, J. P. Araujo, and M. Maglione, "Effect of diamagnetic Ca, Sr, Pb, and Ba substitution on the crystal structure and multiferroic properties of the BiFeO(3) perovskite," Journal Applied Physics 103, 024105 (2008).


V. A. Khomchenko, D. A. Kiselev, E. K. Seluneva, J. M. Vieira, A. M. L. Lopes, Y. G. Pogorelov, J. P. Araujo, and A. L. Kholkin, "Weak ferromagnetism in diamagnetically-doped Bi(1-x)A(x)FeO(3) (A=Ca, Sr, Pb, Ba) multiferroics," Materials Letters 62, 1927 (2008).


G. N. Kakazei, T. Mewes, P. E. Wigen, P. C. Hammel, A. N. Slavin, Y. G. Pogorelov, M. D. Costa, V. O. Golub, K. Y. Guslienko, and V. Novosad, "Probing arrays of circular magnetic microdots by ferromagnetic resonance," Journal Nanoscience Nanotechnology 8, 2811 (2008).


W. S. Ferreira, J. A. Moreira, A. Almeida, J. P. Araujo, P. B. Tavares, T. M. Mendonca, P. S. Carvalho, and S. Mendonca, "Dielectric and Magnetic Properties of ReMnO3 (Re = Eu, Gd) Ceramics," Ferroelectrics 368, 345 (2008).


J. G. Barbosa, B. G. Almeida, J. A. Mendes, J. P. Araújo, J. B. Sousa, “Structural and Magnetic Properties of Nanogranular BaTiO(3)-CoFe(2)O(4) Thin Films Deposited by Laser Ablation on Si/Pt Substrates”, Materials Letters 62, 1927 (2008).


H. Silva and Y. Pogorelov, “Coherent Effects for Electronic Equilibrium and Transport in Perfect Magnetic Junctions”, IEEE Transactions on Magnetics 44, 2601 (2008).


D. S. Schmool, A. Apolinario, F. Casoli, and F. Albertini, "Ferromagnetic Resonance Study of Fe/FePt Coupled Films With Perpendicular Anisotropy," IEEE Transactions on Magnetics 44, 3087 (2008).


L. T. Tsymbal, Ya. B. Bazaliy, G. N. Kakazei, F. J. Palomares and P. E. Wigen, “Magnetic Hysteresis in ErFeO(3) Near the Low Temperature Erbium Ordering Transition”, IEEE Transactions on Magnetics 44, 2933 (2008).


J. F. Sierra, A. A. Awad, G. N. Kakazei, F. J. Palomares, and F. G. Aliev, "Broadband Magnetic Response of Periodic Arrays of FeNi Dots," IEEE Transactions on Magnetics 44, 3063 (2008).


20 L. Cerdan, R. Weigand, J. M. Guerra Perez, and H. Crespo, "A simple experiment ´ ´ on slow light in ruby," American Journal of Physics 76, 826 (2008).


H. M. Crespo, J. R. Birge, M. Y. Sander, E. L. Falcão-Filho, A. Benedick, and F. X. Kärtner, "Phase stabilization of sub-two-cycle pulses from prismless octave-spanning Ti:sapphire lasers," Journal of the Optical Society of America B 25, B147 (2008).


L. T. Tsymbal, Y. B. Bazaliy, G. N. Kakazei, F. J. Palomares, and P. E. Wigen, "Magnetic Hysteresis in ErFeO3 Near the Low Temperature Erbium Ordering Transition," IEEE Transactions on Magnetics 44, 2933 (2008).


J. Anacleto and J. A. C. Anacleto, "Thermodynamical interactions: subtleties of heat and work concepts," European Journal of Physics 29, 555 (2008).


H. M. Crespo, J. R. Birge, E. L. Falcão-Filho, M. Y. Sander, A. Benedick, and F. X. Kärtner, "Nonintrusive phase stabilization of sub-two-cycle pulses from a prismless octave-spanning Ti:sapphire laser," Optics Letters 33, 833 (2008).


V. A. Chernenko, G. N. Kakazei, A. O. Perekos, E. Cesari, and S. Besseghini, "Magnetization anomalies in melt-spun Ni–Mn–Ga ribbons," Journal of Magnetism and Magnetic Materials 320, 1063 (2008).


J. Schwenke, A. Mai, M. Miranda, X. He, G. Genoud, A. Mikkelsen, S.-G. Pettersson, A. Persson, and A. L’Huillier, "Single-shot holography using high-order harmonics," Journal of Modern Optics 55, 2723 (2008).


A. Almeida, T. M. Correia, M. R. Chaves, P. M. Vilarinho, and A.Kholkin, “Study of Inelastic Light Scattering in LaxSr(1-1.5x)TiO3,” Materials Science Forum 148, 587 (2008).


W. S. Ferreira, J. Agostinho Moreira, A. Almeida, J. P. Araújo, P. B.Tavares, T. M. Mendonça, P. Simeão Carvalho, and S. Mendonça, “Dielectric and Magnetic Properties of ReMnO3(Re = Eu, Gd) Ceramics,” Ferroelectrics 368, 107 (2008).


Helping students understand real capacitors: measuring efficiencies in a school laboratory, Paulo Simeão Carvalho, Adriano Sampaio e Sousa, Phys. Educ, 2008, 43, 400.