Electric field modulation of tunneling anisotropic magnetoresistance across the Schottky interface of Ni/Nb-doped SrTiO3at room temperature: Proceedings Volume 10732, Spintronics XI; 107323B (2018)

A. Das, Vincent M. Goossens, A. S. Goossens, T. Banerjee*

*Corresponding author for this work

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

Abstract

An electric field modulation of tunneling anisotropic magnetoresistance (TAMR) is reported at the Schottky interface of Ni and Nb-doped SrTiO3 at room temperature. TAMR response as high as 0.11% is observed in the bias dependence. A bias is applied across the Schottky junction whose variation also modulates the built-in electric field across the interface. This is simulated from the electrostatic modelling across the Schottky interface. Strength of the TAMR response and its modulation with electric field is strongly dependent on the large dielectric permittivity of SrTiO3at room temperature and on the modulation of the Rashba spin-orbit field across the Schottky interface respectively. This experiment, shows an unique method to store and manipulate spin states by an electric field across the Schottky interface.

Original languageEnglish
Title of host publicationSpintronics XI
EditorsJean-Eric Wegrowe, Henri-Jean Drouhin, Manijeh Razeghi, Henri Jaffres
PublisherSPIE
ISBN (Electronic)9781510620353
DOIs
Publication statusPublished - 2018
EventSpintronics XI - San Diego, United States
Duration: 19-Aug-201823-Aug-2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10732
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceSpintronics XI
Country/TerritoryUnited States
CitySan Diego
Period19/08/201823/08/2018

Keywords

  • electric field
  • Rashba spin-orbit coupling
  • Schottky junction
  • tunneling anisotropic magnetoresistance

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