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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).

  • 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).

  • 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).