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jose varalda
jose varalda
Professor de Física, Universidade Federal do Paraná
Verified email at fisica.ufpr.br - Homepage
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Cited by
Cited by
Year
Dilute-defect magnetism: Origin of magnetism in nanocrystalline
V Fernandes, RJO Mossanek, P Schio, JJ Klein, AJA De Oliveira, ...
Physical Review B—Condensed Matter and Materials Physics 80 (3), 035202, 2009
1552009
Ferromagnetism induced by oxygen and cerium vacancies above the percolation limit in CeO2
V Fernandes, P Schio, AJA De Oliveira, WA Ortiz, P Fichtner, L Amaral, ...
Journal of Physics: Condensed Matter 22 (21), 216004, 2010
882010
Room temperature ferromagnetism in Co-doped films on Si(001)
V Fernandes, JJ Klein, N Mattoso, DH Mosca, E Silveira, E Ribeiro, ...
Physical Review B—Condensed Matter and Materials Physics 75 (12), 121304, 2007
742007
Magnetic response of cobalt nanowires with diameter below 5 nm
P Schio, F Vidal, Y Zheng, J Milano, E Fonda, D Demaille, B Vodungbo, ...
Physical Review B—Condensed Matter and Materials Physics 82 (9), 094436, 2010
492010
Semiconductors II: Surfaces, interfaces, microstructures, and related topics-Enhancement of critical temperature and phases coexistence mediated by strain in MnAs epilayers …
N Mattoso, M Eddrief, J Varalda, A Ouerghi, D Demaille, VH Etgens, ...
Physical Review-Section B-Condensed Matter 70 (11), 115324-115324, 2004
462004
Structural, magnetic and spectroscopic study of a diluted magnetic oxide: Co doped CeO2− δ
B Vodungbo, F Vidal, Y Zheng, M Marangolo, D Demaille, VH Etgens, ...
Journal of Physics: Condensed Matter 20 (12), 125222, 2008
412008
Tuning Fe3O4 nanoparticle dispersion through pH in PVA/guar gum/electrospun membranes
AF Lubambo, L Ono, V Drago, N Mattoso, J Varalda, MR Sierakowski, ...
Carbohydrate polymers 134, 775-783, 2015
392015
Valence evaluation of cerium in nanocrystalline CeO2 films electrodeposited on Si substrates
V Fernandes, IL Graff, J Varalda, L Amaral, P Fichtner, D Demaille, ...
Journal of The Electrochemical Society 159 (1), K27, 2011
372011
Oxygen-vacancy-induced room-temperature magnetization in lamellar V2O5 thin films
AB Cezar, IL Graff, J Varalda, WH Schreiner, DH Mosca
Journal of Applied Physics 116 (16), 2014
332014
Structural and magnetic anisotropies of thin films
M Marangolo, F Gustavsson, GM Guichar, M Eddrief, J Varalda, ...
Physical Review B—Condensed Matter and Materials Physics 70 (13), 134404, 2004
332004
Resonant tunnel magnetoresistance in epitaxial metal-semiconductor heterostructures
J Varalda, A De Oliveira, DH Mosca, JM George, M Eddrief, M Marangolo, ...
Physical Review B—Condensed Matter and Materials Physics 72 (8), 081302, 2005
302005
Loss of magnetization induced by doping in CeO2 films
V Fernandes, P Schio, AJA De Oliveira, WH Schreiner, J Varalda, ...
Journal of Applied Physics 110 (11), 2011
292011
Oxygen diffusion and vacancy migration thermally-activated govern high-temperature magnetism in ceria
J Varalda, CA Dartora, PC De Camargo, AJA De Oliveira, DH Mosca
Scientific reports 9 (1), 4708, 2019
252019
Goethite (α-FeOOH) magnetic transition by ESR, Magnetometry and Mössbauer
DF Valezi, MT Piccinato, PWC Sarvezuk, FF Ivashita, A Paesano Jr, ...
Materials Chemistry and Physics 173, 179-185, 2016
242016
Wettability effect of graphene-based surfaces on silicon carbide and their influence on hydrophobicity of nanocrystalline cerium oxide films
JC Souza, IT Neckel, J Varalda, E Ribeiro, WH Schreiner, DH Mosca, ...
Journal of colloid and interface science 441, 71-77, 2015
232015
Tetragonal zinc-blende MnGa ultra-thin films with high magnetization directly grown on epi-ready GaAs (111) substrates
AW Arins, HF Jurca, J Zarpellon, J Varalda, IL Graff, AJA De Oliveira, ...
Applied Physics Letters 102 (10), 2013
212013
Anisotropy of magnetization and nanocrystalline texture in electrodeposited CeO2 films
V Fernandes, P Schio, RJO Mossanek, AJA De Oliveira, WA Ortiz, ...
Electrochemical and Solid-State Letters 14 (3), P9, 2010
202010
Laser irradiation of iron, cobalt, and nickel targets in liquid nitrogen: A facile approach for nitride nanoparticle fabrication of ferromagnetic transition metals
G Gubert, E Ribeiro, J Varalda, AG Bezerra Jr, WH Schreiner, DH Mosca
Journal of Alloys and Compounds 725, 519-525, 2017
182017
Tunnel magnetoresistance and Coulomb blockade in a planar assembly of cobalt nanoclusters embedded in TiO2
J Varalda, WA Ortiz, AJA De Oliveira, B Vodungbo, YL Zheng, D Demaille, ...
Journal of applied physics 101 (1), 2007
182007
Structure and magnetism of MnGa ultra-thin films on GaAs (111) B
AW Arins, HF Jurca, J Zarpellon, J Varalda, IL Graff, WH Schreiner, ...
IEEE transactions on magnetics 49 (12), 5595-5598, 2013
172013
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