Publications

Peer-reviewed journals:

2015

• "Efficient Synchronization of Dipolarly Coupled Vortex-Based Spin Transfer Nano-Oscillators"

• + Supplementary materials

• N Locatelli, A Hamadeh, F Abreu Araujo, AD Belanovsky, PN Skirdkov, R Lebrun, VV Naletov, KA Zvezdin, M Munoz, J Grollier, O Klein, V Cros, G de Loubens

• Scientific Reports 5, 17039 (2015)

• "Spin-transfer torque magnetic memory as a stochastic memristive synapse for neuromorphic systems"

• Adrien F Vincent, Jérôme Larroque, Nicolas Locatelli, Nesrine Ben Romdhane, Olivier Bichler, Christian Gamrat, Wei Sheng Zhao, Jacques-Olivier Klein, Sylvie Galdin-Retailleau, Damien Querlioz

• IEEE Transactions on Biomedical Circuits and Systems, vol. 9, 166-174 (2015)

• "Magnetic stochastic oscillators: Noise-induced synchronization to under-threshold excitation and comprehensive compact model"

• Alice Mizrahi, Nicolas Locatelli, Rie Matsumoto, Akio Fukushima, Hitoshi Kubota, Shinji Yuasa, Vincent Cros, Joo-Von Kim, Julie Grollier, Damien Querlioz

• IEEE Transactions on Magnetics, vol. 51, 1401404 (2015)

• "Optimizing magnetodipolar interactions for synchronizing vortex based spin-torque nano-oscillators"

• F Abreu Araujo, AD Belanovsky, PN Skirdkov, KA Zvezdin, AK Zvezdin, N Locatelli, R Lebrun, J Grollier, V Cros, G de Loubens, O Klein

• Physical Review B, vol. 92, 045419 (2015)

• "Understanding of phase noise squeezing under fractional synchronization of non-linear spin transfer vortex oscillator"

• R Lebrun, A Jenkins, A Dussaux, N Locatelli, S Tsunegi, E Grimaldi, H Kubota, P Bortolotti, K Yakushiji, J Grollier, A Fukushima, S Yuasa, V Cros

• Physical Review Letters 115, 017201 (2015)

• “Improved spectral stability in spin transfer nano-oscillators: single vortex versus coupled vortex excitation”

• N. Locatelli, R. Lebrun, A.V. Khvalkovskiy, A. Hamadeh, V.V. Naletov, G. De Loubens, O. Klein, J. Grollier, V. Cros

• IEEE Transactions on Magnetism, vol. 51, 4300206 (2015)

• "Analytical macrospin modeling of the stochastic switching time of spin-transfer torque devices"

• Adrien F Vincent, Nicolas Locatelli, Jacques-Olivier Klein, Weisheng S Zhao, Sylvie Galdin-Retailleau, Damien Querlioz

• IEEE Transactions on Electron Devices 62, 164-170 (2015)

2014

• "Nonlinear behavior and mode coupling in spin-transfer nano-oscillators"

• Romain Lebrun, Nicolas Locatelli, Sumito Tsunegi, Julie Grollier, Vincent Cros, Flavio Abreu Araujo, Hitoshi Kubota, Kay Yakushiji, Akio Fukushima, Shinji Yuasa

• Physical Review Applied 2, 061001 (2014)

• "Noise-enhanced synchronization of stochastic magnetic oscillators"

• Nicolas Locatelli, Alice Mizrahi, Artur Accioloy, Rie Matsumoto, Akio Fukushima, Hitoshi Kubota, Shinji Yuasa, Vincent Cros, Luis Gustavo Pereira, Damien Querlioz, Joo-Von Kim, Julie Grollier

• Physical Review Applied 2, 034009 (2014)

• “Perfect and robust phase-locking of a spin transfer vortex nano-oscillator to an external microwave source”

• A Hamadeh, Nicolas Locatelli, VV Naletov, Romain Lebrun, Grégoire De Loubens, Julie Grollier, Olivier Klein, V Cros

• Applied Physics Letters 104, 022408 (2014)

• “Origin of spectral purity and tuning sensitivity in a vortex-based spin transfer nano-oscillator”

• A. Hamadeh, N. Locatelli, V.V. Naletov, R. Lebrun, G. De Loubens, J. Grollier, O. Klein, V. Cros

• Physics Review Letters 112, 257201 (2014)

• “Spin torque building blocks”

• N. Locatelli, V. Cros and J. Grollier

• Nature Materials 13, 11–20 (2014)

2013

• “Numerical and analytical investigation of the synchronization of dipolarly coupled vortex spin-torque nano-oscillators”

• A.D. Belanovsky, N. Locatelli, P.N. Skirdkov, F. Abreu Araujo, K.A. Zvezdin, J. Grollier, V. Cros, A.K. Zvezdin

• Applied Physics Letters 103, 122405 (2013)

• “Reversal process of a vortex core under the combined action of a perpendicular field and spin transfer torque”

• N. Locatelli, A.E. Ekomasov, A. Khvalkovskiy, Sh. A. Azamatov, K. Zvezdin, J. Grollier, E.G. Ekomasov, V. Cros.

• Applied Physics Letters 102, 062401 (2013)

2012

• “Dynamique par transfert de spin et synchronisation d’oscillateurs couplés à base de vortex magnétiques”

• “Spin transfer induced dynamics and synchronization of magnetic vortex based coupled oscillators”

• N. Locatelli, PhD thesis

• Advisors: Vincent Cros, Julie Grollier.

• Jury: Arnaud Bournel, Russel Cowburn, Ursula Ebels, Olivier Klein, André Thiaville,

• “Microwave signal emission in spin-torque vortex oscillators in metallic nanowires: Experimental measurements and micromagnetic numerical study”

• F. Abreu Araujo, M. Darques, K. A. Zvezdin, A.V. Khvalkovskiy, N. Locatelli, K. Bouzehouane, V. Cros, L. Piraux

• Physics Review B 86, 064424 (2012)

• "Phase locking dynamics of dipolarly coupled vortex based spin transfer oscillators"

• A.D. Belanovsky, N. Locatelli, P.N. Skirdkov, F. Abreu Araujo, J. Grollier, K.A. Zvezdin, V. Cros, and A.K. Zvezdin.

• Physics Review B 85, 100409 (2012)

• "Influence of defects on dynamics of spin transfer vortex oscillators"

• P.N. Skirdkov, N. Locatelli, A.D. Belanovsky, J. Grollier, K.A. Zvezdin, V. Cros and A.K. Zvezdin.

• Journal of Spin 2, 12500005 (2012)

2011

• “Identification and selection rules of the spin-wave eigenmodes in a normally magnetized nanopillar”

• V.V. Naletov, G. de Loubens, G. Albuquerque, S. Borlenghi, V. Cros, G. Faini, J. Grollier, H. Hurdequint, N. Locatelli, B. Pigeau, A.N. Slavin, V.S. Tiberkevich, C. Ulysse, T. Valet, and O. Klein.

• Physics Review B 84, 224423 (2011)

• “Dynamics of two coupled vortices in a spin valve nanopillar excited by spin transfer torque”

• N. Locatelli, V. V. Naletov, J. Grollier, G. de Loubens, V. Cros, C. Deranlot, C. Ulysse, G. Faini, O. Klein, and A. Fert.

• Applied Physics Letters 98, 062501 (2011)

2010

• “Non uniformity of a planar polarizer for spin-transfer-induced vortex oscillations at zero field”

• A. V. Khvalkovskiy, J. Grollier, N. Locatelli, Ya. V. Gorbunov, K. A. Zvezdin, and V. Cros.

• Applied Physics Letters 96, 212507 (2010)

2009

• “Observation of negative differential transconductance in tunneling emitter bipolar transistors”

• M. J. van Veenhuizen, N. Locatelli, J. Moodera, J. Chang

• Applied Physics Letters 95, 072102 (2009)

Conference proceedings:

2015

• "Vortex-based spin transfer oscillator compact model for IC design"

• Nicolas Locatelli, Damir Vodenicarevic, Weisheng Zhao, Jacques-Olivier Klein, Julie Grollier, Damien Querlioz

• 2015 IEEE International Symposium on Circuits and Systems (ISCAS), pp.589-592

• "Spintronic devices as key elements for energy-efficient neuroinspired architectures"

• Nicolas Locatelli, Adrien F Vincent, Alice Mizrahi, Joseph S Friedman, Damir Vodenicarevic, Joo-Von Kim, Jacques-Olivier Klein, Weisheng Zhao, Julie Grollier, Damien Querlioz

• Proceedings of the 2015 Design, Automation & Test in Europe Conference & Exhibition, pp.994-999

2014

• “Spin torque nano-devices for bio-inspired computing”

• N. Locatelli, A. Mizrahi, A. Accioly, D. Querlioz, J.-V. Kim, V. Cros, and J. Grollier

• 14th international workshop on Cellular Nanoscale Networks and their applications (2014)

2011

• “Nano-oscillateurs à transfert de spin aux fréquences Ghz : Dynamique de vortex couplés dans des nano-piliers à base de multicouches magnétiques”

• N. Locatelli et al.

• Journées Nationales du Réseau Doctoral en Micro-Nanoélectronique (JNRDM) 2011

2007

• “Monte Carlo modeling of Schottky contacts on semiconducting carbon nanotubes”

• H. Nha Nguyen, H. Cazin d’Honincthun, C. Chapus, A. Bournel, S. Galdin-Retailleau, P. Dollfus and N. Locatelli

• Simulation of Semiconductor Processes and Devices 2007, 313-316 (2007)

Patents:

• “Spintronic oscillator, and use thereof in radiofrequency devices”

• N. Locatelli, V. Cros, J. Grollier, J.C. Mage, A.V. Khvalkovskiy, B. Marcilhac

• Patent n°WO2013007797 (2011)