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Proceedings Paper

Magnetic, magnetooptical, and magnetotransport properties of Ti-substituted Co2FeGa thin films
Author(s): 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
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Paper 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.

Paper Details

Date Published: 27 August 2014
PDF: 4 pages
Proc. SPIE 9172, Nanostructured Thin Films VII, 91720M (27 August 2014); doi: 10.1117/12.2061650
Show Author Affiliations
Vladimir Khovaylo, National Univ. of Science and Technology "MISiS" (Russian Federation)
ITMO Univ. (Russian Federation)
Valeria Rodionova, National Univ. of Science and Technology “MISiS” (Russian Federation)
Immanuel Kant Baltic Federal Univ. (Russian Federation)
Maria Lyange, National Univ. of Science and Technology “MISiS” (Russian Federation)
Ksenia Chichay, Immanuel Kant Baltic Federal Univ. (Russian Federation)
Elena Gan’shina, Lomonosov Moscow State Univ. (Russian Federation)
Andrey Novikov, Lomonosov Moscow State Univ. (Russian Federation)
Georgy Zykov, Lomonosov Moscow State Univ. (Russian Federation)
Alexei Bozhko, A. M. Prokhorov General Physics Institute (Russian Federation)
Makoto Ohtsuka, Tohoku Univ. (Japan)
Rie Y. Umetsu, Tohoku Univ. (Japan)
Akinari Okubo, Tohoku Univ. (Japan)
Ryosuke Kainuma, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 9172:
Nanostructured Thin Films VII
Akhlesh Lakhtakia; Tom G. Mackay; Motofumi Suzuki, Editor(s)

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