Ricardo Ferreira
Ricardo Ferreira
INL - International Iberian Nanotechnology Laboratory
Verified email at - Homepage
Cited by
Cited by
Magnetoresistive sensors
PP Freitas, R Ferreira, S Cardoso, F Cardoso
Journal of Physics: condensed matter 19 (16), 165221, 2007
Advanced magnetic nanostructures
D Sellmyer, R Skomski
Springer US, 2006
Spintronic sensors
PP Freitas, R Ferreira, S Cardoso
Proceedings of the IEEE 104 (10), 1894-1918, 2016
Ion beam deposition and oxidation of spin-dependent tunnel junctions
S Cardoso, V Gehanno, R Ferreira, PP Freitas
IEEE transactions on magnetics 35 (5), 2952-2954, 1999
Low frequency noise in arrays of magnetic tunnel junctions connected in series and parallel
R Guerrero, M Pannetier-Lecoeur, C Fermon, S Cardoso, R Ferreira, ...
Journal of Applied Physics 105 (11), 2009
Improving magnetic field detection limits of spin valve sensors using magnetic flux guide concentrators
A Guedes, JM Almeida, S Cardoso, R Ferreira, PP Freitas
IEEE transactions on magnetics 43 (6), 2376-2378, 2007
Magnetic tunnel junction sensors with pTesla sensitivity
S Cardoso, DC Leitao, L Gameiro, F Cardoso, R Ferreira, E Paz, ...
Microsystem technologies 20, 793-802, 2014
1∕ f noise in linearized low resistance MgO magnetic tunnel junctions
JM Almeida, R Ferreira, PP Freitas, J Langer, B Ocker, W Maass
Journal of applied physics 99 (8), 2006
Spin dependent tunnel junctions for memory and read-head applications
PP Freitas, S Cardoso, R Sousa, W Ku, R Ferreira, V Chu, JP Conde
IEEE transactions on magnetics 36 (5), 2796-2801, 2000
Toward a magnetoresistive chip cytometer: Integrated detection of magnetic beads flowing at cm/s velocities in microfluidic channels
J Loureiro, R Ferreira, S Cardoso, PP Freitas, J Germano, C Fermon, ...
Applied Physics Letters 95 (3), 2009
Large area and low aspect ratio linear magnetic tunnel junctions with a soft-pinned sensing layer
R Ferreira, E Paz, PP Freitas, J Wang, S Xue
IEEE Transactions on Magnetics 48 (11), 3719-3722, 2012
Tuning of MgO barrier magnetic tunnel junction bias current for picotesla magnetic field detection
R Ferreira, P Wisniowski, PP Freitas, J Langer, B Ocker, W Maass
Journal of applied physics 99 (8), 2006
Spin transfer torque driven higher-order propagating spin waves in nano-contact magnetic tunnel junctions
A Houshang, R Khymyn, H Fulara, A Gangwar, M Haidar, SR Etesami, ...
Nature communications 9 (1), 4374, 2018
Influence of Ta antidiffusion barriers on the thermal stability of tunnel junctions
S Cardoso, R Ferreira, PP Freitas, P Wei, JC Soares
Applied Physics Letters 76 (25), 3792-3794, 2000
Spin torque nano-oscillator driven by combined spin injection from tunneling and spin Hall current
M Tarequzzaman, T Böhnert, M Decker, JD Costa, J Borme, B Lacoste, ...
Communications Physics 2 (1), 20, 2019
High power and low critical current density spin transfer torque nano-oscillators using MgO barriers with intermediate thickness
JD Costa, S Serrano-Guisan, B Lacoste, AS Jenkins, T Böhnert, ...
Scientific Reports 7 (1), 7237, 2017
Ultrafast sweep-tuned spectrum analyzer with temporal resolution based on a spin-torque nano-oscillator
A Litvinenko, V Iurchuk, P Sethi, S Louis, V Tyberkevych, J Li, A Jenkins, ...
Nano letters 20 (8), 6104-6111, 2020
Strategies for pTesla field detection using magnetoresistive sensors with a soft pinned sensing layer
JP Valadeiro, J Amaral, DC Leitao, R Ferreira, SF Cardoso, PJP Freitas
IEEE transactions on magnetics 51 (1), 1-4, 2015
MgO-based magnetic tunnel junction sensors array for non-destructive testing applications
DW Guo, FA Cardoso, R Ferreira, E Paz, S Cardoso, PP Freitas
Journal of Applied Physics 115 (17), 2014
2-axis magnetometers based on full wheatstone bridges incorporating magnetic tunnel junctions connected in series
R Ferreira, E Paz, PP Freitas, J Ribeiro, J Germano, L Sousa
IEEE transactions on magnetics 48 (11), 4107-4110, 2012
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