層状構造をもつ新規複合バナジウム酸化物の結晶化学
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概要
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Some of complex vanadium (IV, V) oxides are categorized into bronze compounds that adopt open-frame structures with foreign metals in their interstitial sites. There can be a variety of open-frame structure types depending on sizes and amounts of foreign metals as well as on vanadium-oxygen compositions. Utilizing hydrothermal methods we have succeeded in synthesizing single crystals of new vanadium bronze compounds with layered structures. Here we describe crystal structures of the selected novel layered compounds of δ-<I>A</I><SUB>0.5</SUB>V<SUB>2</SUB>O<SUB>5</SUB>, δ-<I>A</I><SUB>0.25</SUB>V<SUB>2</SUB>O<SUB>5</SUB>·H<SUB>2</SUB>O, <I>A</I><SUB>x</SUB>V<SUB>3</SUB>O<SUB>8</SUB> (VO) <SUB>y</SUB>·nH<SUB>2</SUB>O and Cs<SUB>2</SUB>V<SUB>4</SUB>O<SUB>11</SUB>. Each of these compounds exhibits interesting structural features such as interlayer metal distributions, novel layer frameworks and unusual vanadium-oxygen coordinations.
- 日本結晶学会の論文
- 1998-12-31
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- 層状構造をもつ新規複合バナジウム酸化物の結晶化学