金属水素化物の結晶化学 : ―タンタル水素化物を中心に―

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概要

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• Crystal structures of tantalum hydrides have been reviewed.The Ta-H system is characteristic of an interstitial alloy of hydrogen in bcc tantalum over a wide composition range. Hydrogen atoms in the interstitial sites become ordered at low temperatures and superstructures β<SUB>1</SUB>-Ta<SUB>2</SUB>H, β<SUB>2</SUB>-Ta<SUB>2</SUB>H, γ-Ta<SUB>4</SUB>H<SUB>3</SUB> and δ-TaH are formed. These super-structures are closely related and transform to one another with hydrogen composition and temperature. The crystal structure of β<SUB>1</SUB>-Ta<SUB>2</SUB>H is discussed in detail on the basis of the recent neutron and X-ray diffraction work. [J. Cryst. Soc. Jpn. 26, <I>169</I> (1984) ] .

• 日本結晶学会の論文

著者

• 浅野 肇

  筑波大学・物質工学系

関連論文

• 金属水素化物の結晶化学 : ―タンタル水素化物を中心に―

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