Magnetic, magnetooptical, and magnetotransport properties of Ti-substituted Co2FeGa thin films

Vladimir Khovaylo, Valeria Rodionova, Maria Lyange, Ksenia Chichay, Elena Gan'shina, Andrey Novikov, Georgy Zykov, Alexei Bozhko, Makoto Ohtsuka, Rie Y. Umetsu, Akinari Okubo, Ryosuke Kainuma

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Magnetic, magnetooptical and magnetotransport properties of Co50.3Fe20.3Ti5.6Ga23.8 thin films were studied for the as prepared as well as annealed samples. Measurements of transverse magnetooptical Kerr effect revealed that the spectral response of the films strongly depends on the structural ordering which can be manipulated by annealing conditions. Peculiarities in the magnetic properties of the films were attributed to the coexisting phases with different degree of structural disorder. Magnetoresistance of Co50.3Fe20.3Ti5.6Ga23.8 thin films was found to be linear in the fields above 1 T which is typical for half-Heusler systems as well as for Heusler-based ferromagnetic shape memory alloys.

Original languageEnglish
Title of host publicationNanostructured Thin Films VII
EditorsAkhlesh Lakhtakia, Tom G. Mackay, Motofumi Suzuki
PublisherSPIE
ISBN (Electronic)9781628411997
DOIs
Publication statusPublished - 2014 Jan 1
EventNanostructured Thin Films VII - San Diego, United States
Duration: 2014 Aug 202014 Aug 21

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9172
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherNanostructured Thin Films VII
CountryUnited States
CitySan Diego
Period14/8/2014/8/21

Keywords

  • Heusler alloys
  • Kerr effect
  • magnetoresistance
  • thin films

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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