Anomalous and planar Righi-Ledu effectcts measured in ferromagnetic YIG and NiFe

  • B. Madon
  • , Do Ch Pham
  • , D. Lacour
  • , A. Anane
  • , R. Bernard
  • , V. Cros
  • , M. Hehn
  • , J. E. Wegrowe

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

Abstract

We report here about a comparative study of the anomalous and planar Righi-Leduc effect performed on both NiFe and YIG ferromagnets. For the first time, the magneto-thermal effect is measured with a thin electrode deposited on the top of a ferromagnetic layer. This electrode plays the role of the thermocouple. The corresponding magneto-thermo-voltage is measured as a function of the quasi-static magnetization states. It is shown that, for a heat current confined in the plane of the ferromagnetic layer and oriented perpendicular to the electrode, the Magnon-Hall signal follows a 360° periodicity as a function of the out-of-plane angle of the magnetization, while the Planar Righi-Leduc signal follows a 180° periodicity as a function of the in-plane angle. The relation between these observations and the occurrence of the inverse spin-Hall effect (which is responsible for the spin-Seebecl effect[3]) is discussed.

Original languageEnglish
Title of host publicationSpintronics VIII
EditorsHenri-Jean Drouhin, Jean-Eric Wegrowe, Manijeh Razeghi
PublisherSPIE
ISBN (Electronic)9781628417173
DOIs
Publication statusPublished - 1 Jan 2015
Externally publishedYes
EventSpintronics VIII - San Diego, United States
Duration: 9 Aug 201513 Aug 2015

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9551
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceSpintronics VIII
Country/TerritoryUnited States
CitySan Diego
Period9/08/1513/08/15

Keywords

  • Anisotropic transport
  • Nernst
  • Righi-leduc
  • Spin-seebeck
  • Spintronics

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