Structural and magnetic properties of epitaxially grown full-Heusler alloy Co2MnGe thin films deposited using magnetron sputtering

Ishikawa, Takayuki; Marukame, Takao; Matsuda, Ken-ichi; Uemura, Tetsuya; Arita, Masashi; Yamamoto, Masafumi

Structural and magnetic properties of epitaxially grown full-Heusler alloy Co2MnGe thin films deposited using magnetron sputtering

Ishikawa, Takayuki; Marukame, Takao; Matsuda, Ken-ichi et al.

Journal of applied physics, 2006, 99(8), 08J110-1-08J110-3

Permalink : https://hdl.handle.net/2115/13461

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アクセス権	open access
URI	https://hdl.handle.net/2115/13461
タイトル	Structural and magnetic properties of epitaxially grown full-Heusler alloy Co2MnGe thin films deposited using magnetron sputtering
著者	Ishikawa, Takayuki ; Marukame, Takao ; Matsuda, Ken-ichi ; Uemura, Tetsuya ; Arita, Masashi ; Yamamoto, Masafumi
著者名 Ishikawa, Takayuki
著者名 Marukame, Takao
e-Rad_Researcher 80360931 著者名 Matsuda, Ken-ichi
e-Rad_Researcher 20344476 著者名 Uemura, Tetsuya
e-Rad_Researcher 20222755 著者名 Arita, Masashi
e-Rad_Researcher 10322835 著者名 Yamamoto, Masafumi
言語	英語
発行日	2006-04-15
出版者	American Institute of Physics
収録物名	Journal of applied physics
巻(号)	99(8)
ページ	08J110-1-08J110-3
抄録	Full-Heusler alloy Co2MnGe thin films were epitaxially grown on MgO (001) substrates using magnetron sputtering. The films were deposited at room temperature and subsequently annealed in situ at temperatures ranging from 400 to 600 degrees C. X-ray pole figure measurements for the annealed films showed (111) peaks with fourfold symmetry, which gives direct evidence that these films are epitaxial and crystallized in the L2(1) structure. Furthermore, cross-sectional transmission electron microscope images of a fabricated film indicated that it is single crystalline. The annealed films had sufficiently flat surface morphologies with roughnesses of about 0.26 nm rms at film thicknesses of 45 nm. The saturation magnetization of the annealed films was 4.49 mu(B)/f.u. at 10 K, corresponding to about 90% of the Slater-Pauling value for Co2MnGe.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	(C) 2006 American Institute of Physics.
PISSN	0021-8979
関連情報	URI http://jap.aip.org/jap/top.jsp
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1063/1.1270980