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DTSTART;TZID=Europe/Paris:20211207T140000
DTEND;TZID=Europe/Paris:20211207T160000
DTSTAMP:20260425T040536
CREATED:20211206T090000Z
LAST-MODIFIED:20211206T095922Z
UID:7559-1638885600-1638892800@fermi.univ-tlse3.fr
SUMMARY:Spin-Orbit Physics at Magnetic Interfaces (Aurélien Manchon / LPT / Seminar). - 7/12\, 14 H.
DESCRIPTION:Aurélien Manchon (CINaM\, Université d’Aix-Marseille) \nMagnetic materials lacking inversion symmetry constitute a unique platform for the exploration and control of magnetism. In these systems\, typically multilayers of transition metal ferromagnets and heavy metals (W\, Pt\, Bi2Se3 etc.)\, interfacial spin-orbit coupling promotes a wealth of physical phenomena\, among which the emergence of magnetic skyrmions\, spin-to-charge conversion\, spin-orbit torques\, as well as chiral magnetic damping. In this presentation\, I will first discuss the nature of interfacial spin-orbit coupling in magnetic multilayers and examine how it promotes spin-orbit torques. I will review various key aspects of this torque (symmetries and physical origin) and will discuss in particular a newly discovered component that allows for field-free switching. In a second part\, I will discuss how this torque can be used to electrically manipulate and excite antiferromagnetic materials\, a class of materials that can support ultrafast THz excitations.
URL:https://fermi.univ-tlse3.fr/event/spin-orbit-physics-at-magnetic-interfaces-aurelien-manchon-lpt-seminar-7-12-14-h/
LOCATION:Visio
CATEGORIES:Events,LPT,Seminars
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