PB2M207-X(M=RU,IR,RE) - PREPARATION AND PROPERTIES OF OXYGEN DEFICIENT PYROCHLORES

被引:189
作者
LONGO, JM
RACCAH, PM
GOODENOU.JB
机构
[1] Lincoln Laboratory, Massachusetts Institute of Technology Lexington
关键词
D O I
10.1016/0025-5408(69)90056-7
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The preparation and some properties of three oxygen deficient pyrochlores are reported. All show Pauli paramagnetism and metallic conductivity. The dimensions of the face-centered cubic unit cells are: Pb2Ru2O7-x, 10.253Ǎ; Pb2Ir2O7-x, 10.271Ǎ; and Pb2Re2O6, 10.425Ǎ. The stability of this defect-pyrochlore structure relative to the perovskite structure is discussed. © 1969.
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页码:191 / &
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