Accueil > Thèmes de recherche > Spintronique

Transfert de spin, Interaction Spin‐Orbite et Dynamique d’aimantation

Ces études concernent la dynamique hyperfréquence induite par transfert de spin, la génération ou détection de courants de spin par interaction spin‐orbite et son utilisation en dynamique hyperfréquence, et enfin la stabilisation de nouvelles phases magnétiques de type skyrmion.

Publications récentes

  • Y. Li, X. de Milly, F. - A. Araujo, O. Klein, V. Cros, J. Grollier, G. De Loubens, Probing Phase Coupling Between Two Spin-Torque Nano-Oscillators with an External Source. Physical Review Letters. 118, 247202 (2017).

  • R. Lebrun, S. Tsunegi, P. Bortolotti, H. Kubota, A. S. Jenkins, M. Romera, K. Yakushiji, A. Fukushima, J. Grollier, S. Yuasa, V. Cros, Mutual synchronization of spin torque nano-oscillators through a long-range and tunable electrical coupling scheme. Nature Communications. 8, 15825 (2017).

  • W. Legrand, D. Maccariello, N. Reyren, K. Garcia, C. Moutafis, C. Moreau-Luchaire, S. Collin, K. Bouzehouane, V. Cros, A. Fert, Room-Temperature Current-Induced Generation and Motion of sub-100 nm Skyrmions. Nano Letters. 17, 2703-2712 (2017).

  • M. Romera, P. Talatchian, R. Lebrun, K. - J. Merazzo, P. Bortolotti, L. Vila, J. - D. Costa, R. Ferreira, P. - P. Freitas, M. - C. Cyrille, U. Ebels, V. Cros, J. Grollier, Enhancing the injection locking range of spin torque oscillators through mutual coupling. Applied Physics Letters. 109, 252404 (2016).

  • F. Garcia-Sanchez, J. Sampaio, N. Reyren, V. Cros, J. - V. Kim, A skyrmion-based spin-torque nano-oscillator. New Journal of Physics. 18, 075011 (2016).

  • S. Zhang, A. Fert, Conversion between spin and charge currents with topological insulators. Physical Review B. 94, 184423 (2016).

  • S. Oyarzún, A. K. Nandy, F. Rortais, J. - C. Rojas-Sánchez, M. - T. Dau, P. Noël, P. Laczkowski, S. Pouget, H. Okuno, L. Vila, C. Vergnaud, C. Beigné, A. Marty, J. - P. Attané, S. Gambarelli, J. - M. George, H. Jaffrès, S. Blügel, M. Jamet, Evidence for spin-to-charge conversion by Rashba coupling in metallic states at the Fe/Ge(111) interface. Nature Communications. 7, 13857 (2016).

  • A. Soumyanarayanan, N. Reyren, A. Fert, C. Panagopoulos, Emergent phenomena induced by spin–orbit coupling at surfaces and interfaces. Nature. 539, 509-517 (2016).

  • M. Cubukcu, J. Sampaio, K. Bouzehouane, D. Apalkov, A. V. Khvalkovskiy, V. Cros, N. Reyren, Dzyaloshinskii-Moriya anisotropy in nanomagnets with in-plane magnetization. Physical Review B. 93, 020401 (2016).

  • J. - C. Rojas-Sanchez, S. Oyarzun, Y. Fu, A. Marty, C. Vergnaud, S. Gambarelli, L. Vila, M. Jamet, Y. Ohtsubo, A. Taleb-Ibrahimi, P. Le Fevre, F. Bertran, N. Reyren, J. - M. George, A. Fert, Spin to Charge Conversion at Room Temperature by Spin Pumping into a New Type of Topological Insulator: α-Sn Films. Physical Review Letters. 116, 096602 (2016).

  • C. Rinaldi, J. - C. Rojas-Sanchez, R. N. Wang, Y. Fu, S. Oyarzun, L. Vila, S. Bertoli, M. Asa, L. Baldrati, M. Cantoni, J. - M. George, R. Calarco, A. Fert, R. Bertacco, Evidence for spin to charge conversion in GeTe(111). APL Materials. 4, 032501 (2016).

  • E. Lesne, Y. Fu, S. Oyarzun, J. - C. Rojas-Sanchez, D. C. Vaz, H. Naganuma, G. Sicoli, J. - P. Attané, M. Jamet, E. Jacquet, J. - M. George, A. Barthélémy, H. Jaffrès, A. Fert, M. Bibes, L. Vila, Highly efficient and tunable spin-to-charge conversion through Rashba coupling at oxide interfaces. Nature Materials. 15, 1261-1266 (2016).

  • S. Tsunegi, E. Grimaldi, R. Lebrun, H. Kubota, A. S. Jenkins, K. Yakushiji, A. Fukushima, P. Bortolotti, J. Grollier, S. Yuasa, V. Cros, Self-Injection Locking of a Vortex Spin Torque Oscillator by Delayed Feedback. Scientific Reports. 6, 26849 (2016).

  • C. Moreau-Luchaire, C. Moutafis, N. Reyren, J. Sampaio, C. a. F. Vaz, N. V. Horne, K. Bouzehouane, K. Garcia, C. Deranlot, P. Warnicke, P. Wohlhüter, J. - M. George, M. Weigand, J. Raabe, V. Cros, A. Fert, Additive interfacial chiral interaction in multilayers for stabilization of small individual skyrmions at room temperature. Nature Nanotechnology. 11, 444-448 (2016).

  • J. - C. Rojas-Sanchez, P. Laczkowski, J. Sampaio, S. Collin, K. Bouzehouane, N. Reyren, H. Jaffrès, A. Mougin, J. - M. George, Perpendicular magnetization reversal in Pt/[Co/Ni]3/Al multilayers via the spin Hall effect of Pt. Applied Physics Letters. 108, 082406 (2016).

  • J. Sampaio, A. V. Khvalkovskiy, M. Kuteifan, M. Cubukcu, D. Apalkov, V. Lomakin, V. Cros, N. Reyren, Disruptive effect of Dzyaloshinskii-Moriya interaction on the magnetic memory cell performance. Applied Physics Letters. 108, 112403 (2016).

  • Y. Niimi, M. Kimata, Y. Omori, B. Gu, T. Ziman, S. Maekawa, A. Fert, Y. Otani, Strong Suppression of the Spin Hall Effect in the Spin Glass State. Physical Review Letters. 115, 196602 (2015).

  • H. Yang, A. Thiaville, S. Rohart, A. Fert, M. Chshiev, Anatomy of Dzyaloshinskii-Moriya Interaction at Co/Pt Interfaces. Physical Review Letters. 115, 267210 (2015).

  • P. Laczkowski, H. Jaffrès, W. Savero-Torres, J. - C. Rojas-Sanchez, Y. Fu, N. Reyren, C. Deranlot, L. Notin, C. Beigne, J. - P. Attane, L. Vila, J. - M. George, A. Marty, Evaluation of spin diffusion length of AuW alloys using spin absorption experiments in the limit of large spin-orbit interactions. Physical Review B. 92, 214405 (2015).

  • P. Laczkowski, J. - C. Rojas-Sanchez, W. Savero-Torres, H. Jaffrès, N. Reyren, C. Deranlot, L. Notin, C. Beigne, A. Marty, J. - P. Attane, L. Vila, J. - M. George, A. Fert, Experimental evidences of a large extrinsic spin Hall effect in AuW alloy. Applied Physics Letters. 104, 142403 (2014).

  • J. - C. Rojas-Sanchez, N. Reyren, P. Laczkowski, W. Savero, J. - P. Attane, C. Deranlot, M. Jamet, J. - M. George, L. Vila, H. Jaffrès, Spin Pumping and Inverse Spin Hall Effect in Platinum: The Essential Role of Spin-Memory Loss at Metallic Interfaces. Physical Review Letters. 112, 106602 (2014).

  • J. - V. Kim, F. Garcia-Sanchez, J. Sampaio, C. Moreau-Luchaire, V. Cros, A. Fert, Breathing modes of confined skyrmions in ultrathin magnetic dots. Physical Review B. 90, 064410 (2014).

  • Y. Omori, F. Auvray, T. Wakamura, Y. Niimi, A. Fert, Y. Otani, Inverse spin Hall effect in a closed loop circuit. Applied Physics Letters. 104, 242415 (2014).

  • Y. Niimi, H. Suzuki, Y. Kawanishi, Y. Omori, T. Valet, A. Fert, Y. Otani, Extrinsic spin Hall effects measured with lateral spin valve structures. Physical Review B. 89, 054401 (2014).