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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Modification of magnetic properties and structure of Kr+ ion-irradiated CrPt3 films for planar bit patterned media

http://hdl.handle.net/2237/14183
http://hdl.handle.net/2237/14183
7f73b15b-a5e0-44a4-97a0-94838b381c4e
名前 / ファイル ライセンス アクション
journal_of_applied_physics_106_053908.pdf journal_of_applied_physics_106_053908.pdf (361.7 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2010-09-22
タイトル
タイトル Modification of magnetic properties and structure of Kr+ ion-irradiated CrPt3 films for planar bit patterned media
言語 en
著者 Kato, T.

× Kato, T.

WEKO 38906

en Kato, T.

Search repository
Iwata, S.

× Iwata, S.

WEKO 38907

en Iwata, S.

Search repository
Yamauchi, Y.

× Yamauchi, Y.

WEKO 38908

en Yamauchi, Y.

Search repository
Tsunashima, S.

× Tsunashima, S.

WEKO 38909

en Tsunashima, S.

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 Copyright (2010) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
抄録
内容記述 30 keV Kr+ ions were irradiated onto L12 ordered CrPt3 (20 nm) alloy films fabricated by a magnetron sputtering deposition followed by an appropriate heat treatment, and the modification of the structure and magnetic properties of the CrPt3 films was investigated in detail. The fabricated L12 CrPt3 (20 nm) onto a fused quartz substrate exhibited a quite large perpendicular anisotropy of 5×10^6 ergs/cc, due to the large lattice distortion of 1%. The large perpendicular anisotropy decreased with increasing the ion dose, and became almost zero at the ion dose of 2×10^14 ions/cm^2 due to the loss of the magnetic order of CrPt3. The suppression of the magnetic order of CrPt3 by the Kr+ ion irradiation is attributed to the transformation of the structure from the L12 phase to a disordered fcc phase, which was confirmed by x-ray diffraction analysis. Unlike the magnetization and perpendicular anisotropy, the anisotropy field of CrPt3 does not decrease significantly with the increase in the Kr+ ion dose, and exhibited more than 20 kOe even at the ion dose of 1×10^14 ions/cm^2. This is considered to be attributed that the lattice distortion of CrPt3 unchanged even at the Kr+ ion dose of 2×10^14 ions/cm^2.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 American Institute of Physics
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1063/1.3212967
ISSN
収録物識別子タイプ PISSN
収録物識別子 0021-8979
書誌情報 en : JOURNAL OF APPLIED PHYSICS

巻 106, 号 5, p. 053908-053908, 発行日 2009-09-01
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/14183
識別子タイプ HDL
URI
識別子 http://dx.doi.org/10.1063/1.3212967
識別子タイプ DOI
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