Joao Oliveira Ventura
Joao Oliveira Ventura
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Nanoporous alumina as templates for multifunctional applications
CT Sousa, DC Leitao, MP Proenca, J Ventura, AM Pereira, JP Araujo
Applied Physics Reviews 1 (3), 031102, 2014
Femtosecond control of electric currents in metallic ferromagnetic heterostructures
TJ Huisman, RV Mikhaylovskiy, JD Costa, F Freimuth, E Paz, J Ventura, ...
Nature nanotechnology 11 (5), 455-458, 2016
Size and surface effects on the magnetic properties of NiO nanoparticles
MP Proenca, CT Sousa, AM Pereira, PB Tavares, J Ventura, M Vazquez, ...
Physical Chemistry Chemical Physics 13 (20), 9561-9567, 2011
Magnetic interactions and reversal mechanisms in Co nanowire and nanotube arrays
MP Proenca, CT Sousa, J Escrig, J Ventura, M Vazquez, JP Araujo
Journal of Applied Physics 113 (9), 093907, 2013
Ni growth inside ordered arrays of alumina nanopores: Enhancing the deposition rate
MP Proenca, CT Sousa, J Ventura, M Vazquez, JP Araujo
Electrochimica Acta 72, 215-221, 2012
Magnetic and microwave absorption properties of BaMgx/2Mnx/2CoxTi2xFe12− 4xO19 hexaferrite nanoparticles
RS Alam, M Moradi, H Nikmanesh, J Ventura, M Rostami
Journal of Magnetism and Magnetic Materials 402, 20-27, 2016
Tunning pore filling of anodic alumina templates by accurate control of the bottom barrier layer thickness
CT Sousa, DC Leitao, MP Proenca, A Apolinario, JG Correia, J Ventura, ...
Nanotechnology 22 (31), 315602, 2011
Solid state magnetic refrigerator
DJ Silva, BD Bordalo, AM Pereira, J Ventura, JP Araújo
Applied energy 93, 570-574, 2012
Nanoscale topography: a tool to enhance pore order and pore size distribution in anodic aluminum oxide
DC Leitao, A Apolinario, CT Sousa, J Ventura, JB Sousa, M Vazquez, ...
The Journal of Physical Chemistry C 115 (17), 8567-8572, 2011
Novel synthesis of Ag@ Co/RGO nanocomposite and its high catalytic activity towards hydrogenation of 4-nitrophenol to 4-aminophenol
R Krishna, DM Fernandes, C Dias, J Ventura, EV Ramana, C Freire, ...
International Journal of Hydrogen Energy 40 (14), 4996-5005, 2015
Resonant tunneling through electronic trapping states in thin MgO magnetic junctions
JM Teixeira, J Ventura, JP Araujo, JB Sousa, P Wisniowski, S Cardoso, ...
Physical review letters 106 (19), 196601, 2011
Griffiths-like phase of magnetocaloric R 5 (Si x Ge 1− x) 4 (R= Gd, Tb, Dy, and Ho)
AM Pereira, L Morellon, C Magen, J Ventura, PA Algarabel, MR Ibarra, ...
Physical Review B 82 (17), 172406, 2010
Novel synthesis of highly catalytic active Cu@ Ni/RGO nanocomposite for efficient hydrogenation of 4-nitrophenol organic pollutant
R Krishna, DM Fernandes, J Ventura, C Freire, E Titus
International Journal of Hydrogen Energy 41 (27), 11608-11615, 2016
The role of the Ti surface roughness in the self-ordering of TiO 2 nanotubes: a detailed study of the growth mechanism
A Apolinario, CT Sousa, J Ventura, JD Costa, DC Leitao, JM Moreira, ...
Journal of Materials Chemistry A 2 (24), 9067-9078, 2014
Co nanostructures in ordered templates: comparative FORC analysis
MP Proenca, KJ Merazzo, LG Vivas, DC Leitao, CT Sousa, J Ventura, ...
Nanotechnology 24 (47), 475703, 2013
Facile synthesis of hydrogenated reduced graphene oxide via hydrogen spillover mechanism
R Krishna, E Titus, LC Costa, JC Menezes, MRP Correia, S Pinto, ...
Journal of materials chemistry 22 (21), 10457-10459, 2012
Exchange bias, training effect, and bimodal distribution of blocking temperatures in electrodeposited core-shell nanotubes
MP Proenca, J Ventura, CT Sousa, M Vazquez, JP Araujo
Physical Review B 87 (13), 134404, 2013
Rapid electrochemical synthesis of hydrogenated graphene oxide using Ni nanoparticles
R Krishna, E Titus, O Okhay, JC Gil, J Ventura, EV Ramana, JJA Gracio
Int. J. Electrochem. Sci 9, 4054-4069, 2014
Distinguishing nanowire and nanotube formation by the deposition current transients
MP Proenca, CT Sousa, J Ventura, M Vazquez, JP Araujo
Nanoscale research letters 7 (1), 1-9, 2012
Nanopore formation and growth in phosphoric acid Al anodization
MP Proenca, CT Sousa, DC Leitao, J Ventura, JB Sousa, JP Araujo
Journal of Non-Crystalline Solids 354 (47-51), 5238-5240, 2008
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