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

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 proceeding › Conference contribution

2 Citations (Scopus)

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.

Original language	English
Title of host publication	Nanostructured Thin Films VII
Editors	Akhlesh Lakhtakia, Tom G. Mackay, Motofumi Suzuki
Publisher	SPIE
ISBN (Electronic)	9781628411997
DOIs	https://doi.org/10.1117/12.2061650
Publication status	Published - 2014 Jan 1
Event	Nanostructured Thin Films VII - San Diego, United States Duration: 2014 Aug 20 → 2014 Aug 21

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	9172
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Nanostructured Thin Films VII
Country	United States
City	San Diego
Period	14/8/20 → 14/8/21

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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10.1117/12.2061650

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Khovaylo, V., Rodionova, V., Lyange, M., Chichay, K., Gan'shina, E., Novikov, A., Zykov, G., Bozhko, A., Ohtsuka, M., Umetsu, R. Y., Okubo, A., & Kainuma, R. (2014). Magnetic, magnetooptical, and magnetotransport properties of Ti-substituted Co₂FeGa thin films. In A. Lakhtakia, T. G. Mackay, & M. Suzuki (Eds.), Nanostructured Thin Films VII [91720M] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9172). SPIE. https://doi.org/10.1117/12.2061650

Magnetic, magnetooptical, and magnetotransport properties of Ti-substituted Co₂FeGa thin films. / Khovaylo, Vladimir; Rodionova, Valeria; Lyange, Maria; Chichay, Ksenia; Gan'shina, Elena; Novikov, Andrey; Zykov, Georgy; Bozhko, Alexei; Ohtsuka, Makoto ; Umetsu, Rie Y.; Okubo, Akinari; Kainuma, Ryosuke.

Nanostructured Thin Films VII. ed. / Akhlesh Lakhtakia; Tom G. Mackay; Motofumi Suzuki. SPIE, 2014. 91720M (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9172).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Khovaylo, V, Rodionova, V, Lyange, M, Chichay, K, Gan'shina, E, Novikov, A, Zykov, G, Bozhko, A, Ohtsuka, M , Umetsu, RY, Okubo, A & Kainuma, R 2014, Magnetic, magnetooptical, and magnetotransport properties of Ti-substituted Co₂FeGa thin films. in A Lakhtakia, TG Mackay & M Suzuki (eds), Nanostructured Thin Films VII., 91720M, Proceedings of SPIE - The International Society for Optical Engineering, vol. 9172, SPIE, Nanostructured Thin Films VII, San Diego, United States, 14/8/20. https://doi.org/10.1117/12.2061650

Khovaylo V, Rodionova V, Lyange M, Chichay K, Gan'shina E, Novikov A et al. Magnetic, magnetooptical, and magnetotransport properties of Ti-substituted Co₂FeGa thin films. In Lakhtakia A, Mackay TG, Suzuki M, editors, Nanostructured Thin Films VII. SPIE. 2014. 91720M. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.2061650

Khovaylo, Vladimir ; Rodionova, Valeria ; Lyange, Maria ; Chichay, Ksenia ; Gan'shina, Elena ; Novikov, Andrey ; Zykov, Georgy ; Bozhko, Alexei ; Ohtsuka, Makoto ; Umetsu, Rie Y. ; Okubo, Akinari ; Kainuma, Ryosuke. / Magnetic, magnetooptical, and magnetotransport properties of Ti-substituted Co₂FeGa thin films. Nanostructured Thin Films VII. editor / Akhlesh Lakhtakia ; Tom G. Mackay ; Motofumi Suzuki. SPIE, 2014. (Proceedings of SPIE - The International Society for Optical Engineering).

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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.",

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AU - Khovaylo, Vladimir

AU - Rodionova, Valeria

AU - Lyange, Maria

AU - Chichay, Ksenia

AU - Gan'shina, Elena

AU - Novikov, Andrey

AU - Zykov, Georgy

AU - Bozhko, Alexei

AU - Ohtsuka, Makoto

AU - Umetsu, Rie Y.

AU - Okubo, Akinari

AU - Kainuma, Ryosuke

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N2 - 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.

AB - 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.

KW - Heusler alloys

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