新たな観点から見つめ直した高温超伝導体の結晶構造 [in Japanese] Crystal Structures of High-Tc Superconductors Reconsidered from a New Viewpoint [in Japanese]
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The extended electrostatic valence rule is applied to several superconductors and related compounds to explain differences in interatomic distances within coordination polyhedra. A general structural feature is indicated that bonds between apical oxygen and atoms opposite to Cu on CuO<SUB>2</SUB> sheets are relatively short and covalent. A new method in conformity with this idea is proposed for describing the crystal structures of superconductors.
X-RAYS 37(5), 258-265, 1995-10-31
The Crystallographic Society of Japan