Micrometer-sized magnetic patterning of FeRh films using an energetic ion microbeam

Fujita, Naoki*; Matsui, Toshiyuki*; Kosugi, Shinya*; Sato, Takahiro; Saito, Yuichi; Takano, Katsuyoshi; Koka, Masashi; Kamiya, Tomihiro; Seki, Shu*; Iwase, Akihiro*

FeRh thin films were irradiated with a focused 10 MeV I 2 2 m $^{2}$ ion microbeam at intervals of several m. After the irradiations, the magnetic state at the surface was observed by a magnetic force microscopy (MFM). The micrometer-sized regions which were irradiated with the microbeam show ferromagnetic, and the unirradiated regions remain antiferromagnetic. The present result indicates that the energetic ion microbeam can be used as a tool to produce the micrometer-sized modulation of lateral magnetic state of FeRh films.

Language	:	English
Journal	:	Japanese Journal of Applied Physics
Volume	:	49
Number	:	6
Pages	:	p.060211_1 - 060211_3
Publication Year/Month	:	2010/06
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Paper URL	:	https://doi.org/10.1143/JJAP.49.060211
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Keywords	:	no keyword
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Cooperating Institute	:	大阪府立大学

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Registration No. : AA20100047
JAEA Abstracts No. : 38000855
Paper Submission No. : 7491

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