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BORTOLOTTI Paolo

Chercheur Thales

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Publications


  • M. Collet, O. Gladii, M. Evelt, V. Bessonov, L. Soumah, P. Bortolotti, S. O. Demokritov, Y. Henry, V. Cros, M. Bailleul, V. E. Demidov, A. Anane, Spin-wave propagation in ultra-thin YIG based waveguides. Applied Physics Letters. 110, 092408 (2017).

  • J. Torrejon, M. Riou, F. - A. Araujo, S. Tsunegi, G. Khalsa, D. Querlioz, P. Bortolotti, V. Cros, K. Yakushiji, A. Fukushima, H. Kubota, S. Yuasa, M. D. Stiles, J. Grollier, Neuromorphic computing with nanoscale spintronic oscillators. Nature. 547, 428-431 (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).

  • H. Yu, S. - D. Brechet, P. Che, F. - A. Vetro, M. Collet, S. Tu, Y. - G. Zhang, Y. Zhang, T. Stueckler, L. Wang, H. Cui, D. Wang, C. Zhao, P. Bortolotti, A. Anane, J. - P. Ansermet, W. Zhao, Thermal spin torques in magnetic insulators. Physical Review B. 95, 104432 (2017).

  • M. Collet, L. Soumah, P. Bortolotti, M. Munoz, V. Cros, A. Anane, Spin Seebeck effect in nanometer-thick YIG micro-fabricated strips. AIP Advances. 7, 055924 (2017).

  • M. Kreissig, R. Lebrun, F. Protze, K. - J. Merazzo, J. Hem, L. Vila, R. Ferreira, M. - C. Cyrille, F. Ellinger, V. Cros, U. Ebels, P. Bortolotti, Vortex spin-torque oscillator stabilized by phase locked loop using integrated circuits. AIP Advances. 7, 056653 (2017).

  • S. Menshawy, A. S. Jenkins, K. J. Merazzo, L. Vila, R. Ferreira, M. - C. Cyrille, U. Ebels, P. Bortolotti, J. Kermorvant, V. Cros, Spin transfer driven resonant expulsion of a magnetic vortex core for efficient rf detector. AIP Advances. 7, 056608 (2017).

  • R. Lebrun, J. Grollier, F. - A. Araujo, P. Bortolotti, V. Cros, A. Hamadeh, X. de Milly, Y. Li, G. De Loubens, O. Klein, S. Tsunegi, H. Kubota, K. Yakushiji, A. Fukushima, S. Yuasa, Driven energy transfer between coupled modes in spin-torque oscillators. Physical Review B. 95, 134444 (2017).

  • O. d’Allivy Kelly, M. Collet, E. Jacquet, R. Mattana, F. Petroff, P. Bortolotti, V. Cros, A. Anane, F. Wilhelm, K. Ollefs, A. Rogalev, Magnetic Proximity Effect Free Spin Hall Magnetoresistance in YIG/Pd. SPIN. 07, 1740005 (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).

  • V. E. Demidov, M. Evelt, V. Bessonov, S. O. Demokritov, J. L. Prieto, M. Muñoz, J. B. Youssef, V. V. Naletov, G. De Loubens, O. Klein, M. Collet, P. Bortolotti, V. Cros, A. Anane, Direct observation of dynamic modes excited in a magnetic insulator by pure spin current. Scientific Reports. 6, 32781 (2016).

  • M. Evelt, V. E. Demidov, V. Bessonov, S. O. Demokritov, J. L. Prieto, M. Munoz, J. B. Youssef, V. V. Naletov, G. De Loubens, O. Klein, M. Collet, K. Garcia-Hernandez, P. Bortolotti, V. Cros, A. Anane, High-efficiency control of spin-wave propagation in ultra-thin yttrium iron garnet by the spin-orbit torque. Applied Physics Letters. 108, 172406 (2016).

  • O. Gladii, M. Collet, K. Garcia-Hernandez, C. Cheng, S. Xavier, P. Bortolotti, V. Cros, Y. Henry, J. - V. Kim, A. Anane, M. Bailleul, Spin wave amplification using the spin Hall effect in permalloy/platinum bilayers. Applied Physics Letters. 108, 202407 (2016).

  • A. S. Jenkins, R. Lebrun, E. Grimaldi, S. Tsunegi, P. Bortolotti, H. Kubota, K. Yakushiji, A. Fukushima, G. De Loubens, O. Klein, S. Yuasa, V. Cros, Spin-torque resonant expulsion of the vortex core for an efficient radiofrequency detection scheme. Nature Nanotechnology. 11, 360-364 (2016).

  • P. - J. Metaxas, M. Albert, S. Lequeux, V. Cros, J. Grollier, P. Bortolotti, A. Anane, H. Fangohr, Resonant translational, breathing, and twisting modes of transverse magnetic domain walls pinned at notches. Physical Review B. 93, 054414 (2016).

  • M. Collet, X. de Milly, O. d’Allivy Kelly, V. V. Naletov, R. Bernard, P. Bortolotti, J. Ben Youssef, V. E. Demidov, S. O. Demokritov, J. - L. Prieto, M. Munoz, V. Cros, A. Anane, G. de Loubens, O. Klein, Generation of coherent spin-wave modes in yttrium iron garnet microdiscs by spin–orbit torque. Nature Communications. 7, 10377 (2016).

  • H. Yu, O. d’Allivy Kelly, V. Cros, R. Bernard, P. Bortolotti, A. Anane, F. Brandl, F. Heimbach, D. Grundler, Approaching soft X-ray wavelengths in nanomagnet-based microwave technology. Nature Communications. 7 (2016), doi:10.1038/ncomms11255.

  • 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).

  • R. Lebrun, A. S. Jenkins, A. Dussaux, N. Locatelli, S. Tsunegi, E. Grimaldi, H. Kubota, P. Bortolotti, K. Yakushiji, J. Grollier, A. Fukushima, S. Yuasa, V. Cros, Understanding of Phase Noise Squeezing Under Fractional Synchronization of a Nonlinear Spin Transfer Vortex Oscillator. Physical Review Letters. 115, 017201 (2015).

  • S. Lequeux, J. Sampaio, P. Bortolotti, T. Devolder, R. Matsumoto, K. Yakushiji, H. Kubota, A. Fukushima, S. Yuasa, K. Nishimura, Y. Nagamine, K. Tsunekawa, V. Cros, J. Grollier, Increased magnetic damping of a single domain wall and adjacent magnetic domains detected by spin torque diode in a nanostripe. Applied Physics Letters. 107, 182404 (2015).

  • A. S. Jenkins, E. Grimaldi, P. Bortolotti, R. Lebrun, H. Kubota, K. Yakushiji, A. Fukushima, G. de Loubens, O. Klein, S. Yuasa, V. Cros, Controlling the chirality and polarity of vortices in magnetic tunnel junctions. Applied Physics Letters. 105, 172403 (2014).

  • C. Hahn, V. V. Naletov, G. de Loubens, O. Klein, O. d’Allivy Kelly, A. Anane, R. Bernard, E. Jacquet, P. Bortolotti, V. Cros, J. - L. Prieto, M. Munoz, Measurement of the intrinsic damping constant in individual nanodisks of Y3Fe5O12 and Y3Fe5O12 vertical bar Pt. Applied Physics Letters. 104, 152410 (2014).

  • H. Yu, O. d’Allivy Kelly, V. Cros, R. Bernard, P. Bortolotti, A. Anane, F. Brandl, R. Huber, I. Stasinopoulos, D. Grundler, Magnetic thin-film insulator with ultra-low spin wave damping for coherent nanomagnonics. Scientific Reports. 4, 6848 (2014).

  • A. Dussaux, E. Grimaldi, B. R. Salles, A. S. Jenkins, A. V. Khvalkovskiy, P. Bortolotti, J. Grollier, H. Kubota, A. Fukushima, K. Yakushiji, S. Yuasa, V. Cros, A. Fert, Large amplitude spin torque vortex oscillations at zero external field using a perpendicular spin polarizer. Applied Physics Letters. 105, 022404 (2014).

  • E. Grimaldi, R. Lebrun, A. S. Jenkins, A. Dussaux, J. Grollier, V. Cros, A. Fert, H. Kubota, K. Yakushiji, A. Fukushima, R. Matsumoto, S. Yuasa, G. Cibiel, P. Bortolotti, G. Pillet, dans 2014 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM (FCS) (IEEE; UFFC; Asia Pacific Metrol Programme; Minist Sci & Technol; NAR Labs; Instrument Technol Res Ctr; Sensors & Actuators Tech; Tsing Hua Univ, 2014)IEEE International Frequency Control Symposiump. 44–49.

  • E. Grimaldi, A. Dussaux, P. Bortolotti, J. Grollier, G. Pillet, A. Fukushima, H. Kubota, K. Yakushiji, S. Yuasa, V. Cros, Response to noise of a vortex based spin transfer nano-oscillator. Physical Review B. 89, 104404 (2014).

  • P. Bortolotti, E. Grimaldi, A. Dussaux, J. Grollier, V. Cros, C. Serpico, K. Yakushiji, A. Fukushima, H. Kubota, R. Matsumoto, S. Yuasa, Parametric excitation of magnetic vortex gyrations in spin-torque nano-oscillators. Physical Review B. 88, 174417 (2013).

  • O. d’Allivy Kelly, A. Anane, R. Bernard, J. Ben Youssef, C. Hahn, A. H. Molpeceres, C. Carretero, E. Jacquet, C. Deranlot, P. Bortolotti, R. Lebourgeois, J. - C. Mage, G. de Loubens, O. Klein, V. Cros, A. Fert, Inverse spin Hall effect in nanometer-thick yttrium iron garnet/Pt system. Applied Physics Letters. 103, 082408 (2013).

  • A. Dussaux, A. V. Khvalkovskiy, P. Bortolotti, J. Grollier, V. Cros, A. Fert, Field dependence of spin-transfer-induced vortex dynamics in the nonlinear regime. Physical Review B. 86, 014402 (2012).

  • P. Bortolotti, A. Dussaux, J. Grollier, V. Cros, A. Fukushima, H. Kubota, K. Yakushiji, S. Yuasa, K. Ando, A. Fert, Temperature dependence of microwave voltage emission associated to spin-transfer induced vortex oscillation in magnetic tunnel junction. Applied Physics Letters. 100, 042408 (2012).