SOME CHARACTERISTICS OF BA SR NA NIOBATES

被引:52
作者
VANUITERT, LG
RUBIN, JJ
GRODKIEWICZ, WH
BONNER, WA
机构
[1] Bell Telephone Laboratories, Incorporated, Murray Hill, NJ
关键词
D O I
10.1016/0025-5408(69)90018-X
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Curie temperature (TC) and spontaneous polarization (PS), dielectric constant (ε), and voltage for half-wave retardation (Vπ) of 0.6328μ radiation, all at room temperature, are given for single crystals of a Ba, Sr, Na niobate series which have tetragonal tungsten bronze-like structures. Ps is a relatively constant 0.38 ± 0.02 C/m2 for most of the series while Tc varies between 560°C and 200°C. Vπ declines approximately linearly with increasing Sr-content and the product εVπ tends to remain constant for poled crystals. Resistivity data are also given. © 1969.
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页码:63 / +
页数:1
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