Microdomain Structure in the Disordered Zn-Mg-Ho Icosahedral Phase
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概要
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Diffuse scattering related to F-type superlattice ordering was observed in the disordered icosahedral phase formed in Zn_60Mg_35Ho_5 alloy annealed at 562℃. Real space analysis of the diffuse scattering was carried out using high-resolution electron microscopy and a Fourier filtering method. Processed images revealed the presence of microdomains related to weak F-type ordering. The domain diameters range between 30 and 170Å. Each domain is separated by a boundary region, and is related to nearby domains by an antiphase relationship. These results indicate that the origin of the diffuse scattering is the presence of these domains rather than statistical homogeneous short-range ordering.
- 社団法人応用物理学会の論文
- 2000-03-15
著者
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Ishimasa Tsutomu
Department Of Materials Science Faculty Of Science Hiroshima University
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Shimizu Takayuki
Department Of Cardiology Saiseikai Ibaraki Hospital
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Shimizu Takayuki
Department Of Nuclear Engineering Graduate School Of Engineering Nagoya University
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Shimizu Takayuki
Department Of Agro-bioscience Faculty Of Agriculture Iwate University
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