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

doi:10.1117/12.2061650

27 August 2014 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

Author Affiliations +

Proceedings Volume 9172, Nanostructured Thin Films VII; 91720M (2014) https://doi.org/10.1117/12.2061650
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

Magnetic, magnetooptical and magnetotransport properties of Co_50.3Fe_20.3Ti_5.6Ga_23.8 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 Co_50.3Fe_20.3Ti_5.6Ga_23.8 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.

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Vladimir Khovaylo, Valeria Rodionova, Maria Lyange, Ksenia Chichay, Elena Gan’shina, Andrey Novikov, Georgy Zykov, Alexei Bozhko, Makoto Ohtsuka, Rie Y. Umetsu, Akinari Okubo, and Ryosuke Kainuma "Magnetic, magnetooptical, and magnetotransport properties of Ti-substituted Co₂FeGa thin films", Proc. SPIE 9172, Nanostructured Thin Films VII, 91720M (27 August 2014); https://doi.org/10.1117/12.2061650

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