Bulk scattering asymmetry coefficient and degree of order for Fe $_{0.5}$ Co $_{0.5}$ thin film

Doi, Masaaki*; Mano, Tomonori*; Shiota, Megumi*; Yuasa, Hiromi*; Takeda, Masayasu ; Sahashi, Masashi*

We have reported the high bulk scattering spin-asymmetry coefficient, , of an alternate monatomic layered epitaxial film (AML) [Fe/Co] $_{n}$ . This high value of and the long-range order parameter of B $_{2}$ structure in Fe $_{0.5}$ Co $_{0.5}$ seem to be correlated. The neutron diffraction measurements of the AML [Fe/Co] $_{n}$ were performed to determine the order parameter, and the value of about 0.7 was obtained. This value is consistent with a theoretical calculation. We discuss the correlation between the and the order parameter together with the results of [Fe $_{50}$ Co $_{50}$ /Cu] $_{n}$ and a thin film of the Fe $_{50}$ Co $_{50}$ alloy.

Language	:	Japanese
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Meeting title	:	2009年秋季第70回応用物理学会学術講演会
Held date	:	2009/09
Location (city)	:	富山
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Registration No. : BB20091179
JAEA Abstracts No. :
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Bulk scattering asymmetry coefficient and degree of order for FeCo thin film

Bulk scattering asymmetry coefficient and degree of order for Fe $_{0.5}$ Co $_{0.5}$ thin film