Crystal structure of Pr2Ti2O7

被引：0
|
作者：
Kozmin, PA
Zakharov, NA
Surazhskaya, MD
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来源：
INORGANIC MATERIALS | 1997年 / 33卷 / 08期
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Crystal structure of Pr2Ti2O7, a member of the A(2)B(2)O(7) ferroelectric family, was determined by single-crystal x-ray diffraction, Pr2Ti2O7 has a monoclinic structure with a = 7.704(2) Angstrom, b = 5.485(1) Angstrom, c = 12.996(5) Angstrom, and beta = 98.51(3)degrees; sp. gr. P2(1), Z = 4; R-hkl = 0.045. Analysis of OTiO and TiOTi bond angles and bond lengths reveals marked differences between the structures of layers in A(2)B(2)O(7) and the perovskite structure.
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页码：850 / 852
页数：3
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