Valmir A. Chitta
Valmir A. Chitta
Professor do Instituto de Física da Universidade de São Paulo
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Room temperature ferromagnetism in cubic GaN epilayers implanted with ions
VA Chitta, JAH Coaquira, JRL Fernandez, CA Duarte, JR Leite, ...
Applied physics letters 85 (17), 3777-3779, 2004
Absence of ferromagnetic order in high quality bulk Co-doped ZnO samples
HB De Carvalho, MPF De Godoy, RWD Paes, M Mir, A Ortiz de Zevallos, ...
Journal of applied physics 108 (3), 033914, 2010
Observation of charged X− and X+ excitons and metal-to-insulator transition in CdTe/CdMgZnte modulation-doped quantum wells
A Haury, A Arnoult, VA Chitta, J Cibert, YM d'Aubigné, S Tatarenko, ...
Superlattices and microstructures 23 (5), 1097-1102, 1998
Room temperature ferromagnetism promoted by defects at zinc sites in Mn-doped ZnO
VM De Almeida, A Mesquita, AO De Zevallos, NC Mamani, PP Neves, ...
Journal of Alloys and Compounds 655, 406-414, 2016
Evidence of defect-mediated magnetic coupling on hydrogenated Co-doped ZnO
MPF De Godoy, A Mesquita, W Avansi, PP Neves, VA Chitta, WB Ferraz, ...
Journal of Alloys and Compounds 555, 315-319, 2013
Viscothermal losses in double-negative acoustic metamaterials
VC Henríquez, VM García-Chocano, J Sánchez-Dehesa
Physical Review Applied 8 (1), 014029, 2017
Resonant tunnelling at far infra-red frequencies
VA Chitta, C Kutter, REM De Bekker, JC Maan, SJ Hawksworth, ...
Journal of Physics: Condensed Matter 6 (21), 3945, 1994
Multivalley transport and the integer quantum Hall effect in a PbTe quantum well
VA Chitta, W Desrat, DK Maude, BA Piot, NF Oliveira Jr, PHO Rappl, ...
Physical Review B 72 (19), 195326, 2005
Far infrared response of double barrier resonant tunneling structures
VA Chitta, REM De Bekker, JC Maan, SJ Hawksworth, JM Chamberlain, ...
Surface science 263 (1-3), 227-230, 1992
Hole mobility in zincblende c–GaN
CG Rodrigues, JRL Fernandez, JR Leite, VA Chitta, VN Freire, ...
Journal of applied physics 95 (9), 4914-4917, 2004
Magnetic resonant x-ray diffraction study of europium telluride
B Díaz, E Granado, E Abramof, PHO Rappl, VA Chitta, AB Henriques
Physical Review B 78 (13), 134423, 2008
Basis for a Rainfall Estimation Technique Using IR–VIS Cloud Classification and Parameters over the Life Cycle of Mesoscale Convective Systems
G Delgado, LAT Machado, CF Angelis, MJ Bottino, Á Redaño, J Lorente, ...
Journal of applied meteorology and climatology 47 (5), 1500-1517, 2008
Spin-polarized current in semimagnetic semiconductor heterostructures
VA Chitta, MZ Maialle, SA Leao, MH Degani
Applied physics letters 74 (19), 2845-2847, 1999
Singlet—triplet level crossings in matrix-isolated pentacene
S Astilean, V Chitta, A Corval, RJD Miller, HP Trommsdorff
Chemical physics letters 219 (1-2), 95-100, 1994
Electrical Characterization of p-Type Pb1−xEuxTe
JAH Coaquira, VA Chitta, NF Oliveira, PHO Rappl, AY Ueta, E Abramof, ...
Journal of superconductivity 16 (1), 115-118, 2003
Raman study of collective plasmon-longitudinal optical phonon excitations in cubic GaN and epitaxial layers
YA Pusep, MTO Silva, JRL Fernandez, VA Chitta, JR Leite, T Frey, DJ As, ...
Journal of Applied Physics 91 (9), 6197-6199, 2002
MBE growth and characterization of Sn1-xEu xTe
AY Ueta, PHO Rappl, H Closs, P Motisuke, E Abramof, VR dos Anjos, ...
Brazilian journal of physics 34 (2B), 672-674, 2004
Antilocalization of hole carriers in alloys in the metallic regime
ML Peres, VA Chitta, NF Oliveira Jr, DK Maude, PHO Rappl, AY Ueta, ...
Physical Review B 79 (8), 085309, 2009
Experimental investigation of spin-orbit coupling in n-type PbTe quantum wells
ML Peres, HS Monteiro, VA Chitta, S de Castro, UA Mengui, PHO Rappl, ...
Journal of Applied Physics 115 (9), 093704, 2014
Long-range ferromagnetic order induced by a donor impurity band exchange in SnO2:Er3+ nanoparticles
FH Aragon, VA Chitta, JAH Coaquira, P Hidalgo, HF Brito
Journal of Applied Physics 114 (20), 203902, 2013
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