The Crystal Structure of κ′-Al<SUB>2</SUB>O<SUB>3</SUB>, the New Intermediate Phase
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概要
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A structure model of κ′-Al<SUB>2</SUB>O<SUB>3</SUB> has been obtained by means of X-ray powder diffraction data. An hexagonal unit cell with <I>a</I>=5.544 and <I>c</I>=9.024 Å and containing 5\frac13 A<SUB>2</SUB>O<SUB>3</SUB> was assumed. The oxygen arrangement is the same close packed structure as that of tohdite, and 10\frac23 aluminium atoms are statistically distributed over several octahedral and tetrahedral positions. The R factor for the reflection intensity is 0.13 for 115 reflections.
- 公益社団法人 日本化学会の論文
著者
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Okumiya Masataro
Department of Industrial Chemistry, Faculty of Engineering, The University of Tokyo