Irradiation effect on magnetic properties of FeRh thin films with energetic C60 cluster ion beam | Zendy

Ryunosuke Soma | Zendy; Yuichi Saitoh | Zendy; Masako Sakamaki | Zendy; Kenta Amemiya | Zendy; A. Iwase | Zendy; T. Matsui | Zendy

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Irradiation effect on magnetic properties of FeRh thin films with energetic C60 cluster ion beam

Author(s) -

Ryunosuke Soma,

Yuichi Saitoh,

Masako Sakamaki,

Kenta Amemiya,

A. Iwase,

T. Matsui

Publication year - 2018

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.5007704

Subject(s) - irradiation , fluence , ferromagnetism , materials science , ion , magnetization , ion beam , cluster (spacecraft) , thin film , squid , condensed matter physics , atomic physics , chemistry , magnetic field , nanotechnology , physics , nuclear physics , computer science , programming language , ecology , biology , organic chemistry , quantum mechanics

Effect of energetic C60 cluster ion irradiation on magnetic properties in FeRh thin films was examined by SQUID and XMCD measurements. The XMCD signal for the C60 irradiated samples is larger than that for the C1 samples in the initial stage of the irradiation. In contrast, as for the irradiation with larger ion fluence, the XMCD spectrum for the sample irradiated with C1 ion is larger than that for the sample irradiated with C60 cluster ion. Although the magnetization for the C60 irradiation samples continuously decreases with increasing in the ion fluence, the saturation magnetization for the C1 irradiation samples increases with increasing in the ion fluence. Considering these different behaviors in the irradiation induced ferromagnetism, the cluster ion can effectively deposit the apparent elastic collision energy at the surface region in the film, which effectively causes the ferromagnetic state at the surface of the films.

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