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S. P. Heluani
S. P. Heluani
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Oxygen-vacancy-induced local ferromagnetism as a driving mechanism in enhancing the magnetic response of ferrites
CER Torres, GA Pasquevich, PM Zélis, F Golmar, SP Heluani, SK Nayak, ...
Physical Review B 89 (10), 104411, 2014
962014
Electric-pulse-induced reversible resistance in doped zinc oxide thin films
M Villafuerte, SP Heluani, G Juarez, G Simonelli, G Braunstein, ...
Applied physics letters 90 (5), 2007
882007
Evidence of defect-induced ferromagnetism in ZnFeO thin films
CER Torres, F Golmar, M Ziese, P Esquinazi, SP Heluani
Physical Review B 84 (6), 064404, 2011
742011
Electrical conductivity mechanisms in zinc oxide thin films deposited by pulsed laser deposition using different growth environments
SP Heluani, G Braunstein, M Villafuerte, G Simonelli, S Duhalde
Thin Solid Films 515 (4), 2379-2386, 2006
512006
Power-law photoconductivity time decay in nanocrystalline TiO2 thin films
D Comedi, SP Heluani, M Villafuerte, RD Arce, RR Koropecki
Journal of Physics: Condensed Matter 19 (48), 486205, 2007
262007
Defect spectroscopy of single ZnO microwires
M Villafuerte, JM Ferreyra, C Zapata, J Barzola-Quiquia, F Iikawa, ...
Journal of Applied Physics 115 (13), 2014
232014
Randomly oriented ZnO nanowires grown on amorphous SiO2 by metal-catalyzed vapour deposition
D Comedi, M Tirado, C Zapata, SP Heluani, M Villafuerte, PK Mohseni, ...
Journal of Alloys and Compounds 495 (2), 439-442, 2010
232010
Hysteretic current–voltage characteristics in RF-sputtered nanocrystalline TiO2 thin films
M Villafuerte, G Juárez, SP de Heluani, D Comedi
Physica B: Condensed Matter 398 (2), 321-324, 2007
232007
Electric field-driven resistive switching in magnetoresistive La0. 5Ca0. 5MnO3 thin films
S Duhalde, M Villafuerte, G Juárez, SP Heluani
Physica B: Condensed Matter 354 (1-4), 11-15, 2004
222004
ZnO: Co diluted magnetic semiconductor or hybrid nanostructure for spintronics?
F Golmar, M Villafuerte, A Mudarra Navarro, CE Rodríguez Torres, ...
Journal of materials science 45, 6174-6178, 2010
172010
Polaron variable range hopping in TiO2-δ (-0.04⩽ δ⩽ 0.2) thin films
SP Heluani, D Comedi, M Villafuerte, G Juarez
Physica B: Condensed Matter 398 (2), 305-308, 2007
162007
Kondo-like effect in magnetoresistive CuCo alloys
LM Fabietti, J Ferreyra, M Villafuerte, SE Urreta, SP Heluani
Physical Review B 82 (17), 172410, 2010
142010
Invariant embedding approach to microanalysis: Procedure to thin film characterization
C Figueroa, H Brizuela, SP Heluani
Journal of applied physics 99 (4), 2006
142006
Franz-Keldysh effect in epitaxial ZnO thin films
G Bridoux, M Villafuerte, JM Ferreyra, J Guimpel, G Nieva, CA Figueroa, ...
Applied Physics Letters 112 (9), 2018
132018
Influence of the band bending on the photoconductivity of Li-doped ZnO microwires
JM Ferreyra, G Bridoux, M Villafuerte, B Straube, J Zamora, CA Figueroa, ...
Solid State Communications 257, 42-46, 2017
132017
Light-induced metal-insulator transition in by photoresistance spectroscopy
G Bridoux, M Villafuerte, JM Ferreyra, N Bachi, CA Figueroa, SP Heluani
Physical Review B 92 (15), 155202, 2015
132015
Detection of Defect‐Induced Magnetism in Low‐Dimensional ZnO Structures by Magnetophotocurrent
I Lorite, Y Kumar, P Esquinazi, C Zandalazini, SP de Heluani
small 11 (34), 4403-4407, 2015
132015
Magnetic field influence on the transient photoresistivity of defect-induced magnetic ZnO films
C Zapata, M Khalid, G Simonelli, M Villafuerte, SP Heluani, P Esquinazi
Applied Physics Letters 99 (11), 2011
122011
Origin of the giant negative photoresistance of ZnO single crystals
J Barzola-Quiquia, P Esquinazi, M Villafuerte, SP Heluani, A Pöppl, ...
Journal of Applied Physics 108 (7), 2010
122010
Study of the negative magneto-resistance of single proton-implanted lithium-doped ZnO microwires
I Lorite, C Zandalazini, P Esquinazi, D Spemann, S Friedländer, A Pöppl, ...
Journal of Physics: Condensed Matter 27 (25), 256002, 2015
112015
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