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Ultrafast Spin-Charge Conversion in Rashba states probed by Terahertz time-domain emission spectroscopy

  • E. Rongione
  • , J. Hawecker
  • , T. H. Dang
  • , H. Nong
  • , L. Moreno
  • , J. Mangeney
  • , J. Tignon
  • , F. Godel
  • , S. Collin
  • , P. Seneor
  • , J. M. George
  • , M. Bibes
  • , P. Bortolotti
  • , R. Lebrun
  • , S. Dhillon
  • , H. Jaffres
  • Université Paris-Saclay

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Terahertz (THz) emission spectroscopy in spin systems has become a very powerful method to generate THz radiation and to investigate the properties of Rashba or Topological Insulator surface states. Broadband THz emission can be generated in heavy metallic or in more general Rashba systems. In 3d/5d transient metal bilayers THz emission is via the Inverse Spin Hall effect. Beyond heavy metal structures, Rashba states are strong candidates for THz-spintronics owing to their high spin to charge conversion properties. Here we present a 2D Electron Gas with strong Rashba spin-orbit coupling, NiFe/LaAlO/SrTiO, and demonstrate THz emission is via the Inverse Edelstein Effect.

Original languageEnglish
Title of host publication2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020
PublisherIEEE Computer Society
Pages407
Number of pages1
ISBN (Electronic)9781728166209
DOIs
Publication statusPublished - 8 Nov 2020
Externally publishedYes
Event45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020 - Virtual, Buffalo, United States
Duration: 8 Nov 202013 Nov 2020

Publication series

NameInternational Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Volume2020-November
ISSN (Print)2162-2027
ISSN (Electronic)2162-2035

Conference

Conference45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020
Country/TerritoryUnited States
CityVirtual, Buffalo
Period8/11/2013/11/20

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