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SUMMARY:Manipulation of spin currents with synthetic antferromagnets
DTSTART;VALUE=DATE-TIME:20200924T190000Z
DTEND;VALUE=DATE-TIME:20200924T192000Z
DTSTAMP;VALUE=DATE-TIME:20260305T180153Z
UID:indico-contribution-237@indico.uni.edu.pe
DESCRIPTION:Speakers: Luis Aviles Felix (Centro Atómico Bariloche - CNEA 
 Argentina)\nThe adaptability of synthetic antiferromagnets (SAF) in spintr
 onic devices based on spin Hall effects has emerged during the last years.
  In this work we report the use of a SAF (antiferromagnetically exchange c
 oupled Co/Ru/Co) as a spin current injector and the observation of spin pu
 mping and inverse spin Hall effect in [SAF]/Pt heterostructures [1\,2]. By
  exploiting the interlayer exchange coupling strength (oscillatory RKKY-li
 ke coupling) and the spin-flop transition in the magnetization process of 
 the SAF it is possible to rotate the magnetization of the Co layers at giv
 en angles away from the external magnetic field direction in resonance con
 dition. The misalignment due to the spin-flop magnetization process combin
 ed with the spin pumping and the inverse spin Hall effect\, allow to contr
 ol and detect the polarization direction of the spin current pumped into t
 he Pt. The control of the polarization direction of the spin current was a
 lso achieved by controlling the interlayer exchange coupling (IEC) via var
 iations in the Ru spacer in the SAF-Pt system. By controlling the IEC stre
 ngth and the spin flop transition in the magnetization process\, it is als
 o possible to produce spin currents polarized in different directions. Our
  results can lead to important advances in hybrid spintronic devices with 
 improved functionalities\, particularly the ability to control the polariz
 ation direction of spin currents and also the change of the sign of the in
 verse spin Hall effect signal induced in a metallic layer with the strong 
 spin-orbit interaction.\n\nhttps://indico.uni.edu.pe/event/85/contribution
 s/237/
LOCATION:Lima\, Perú
URL:https://indico.uni.edu.pe/event/85/contributions/237/
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