Anomalies in the temperature dependence of the microwave dielectric properties of Ba6-xSm8+2x/3Ti18O54

被引:12
作者
Belous, AG
Ovchar, OV
Valant, M
Suvorov, D
机构
[1] Natl Acad Sci Ukraine, VI Vernadskii Inst Gen & Inorgan Chem, UA-03680 Kiev 142, Ukraine
[2] Jozef Stefan Inst, Ljubljana 1000, Slovenia
关键词
D O I
10.1063/1.1309024
中图分类号
O59 [应用物理学];
学科分类号
摘要
Measurements of the microwave dielectric properties of Ba6-xSm8+2x/3Ti18O54 solid solutions revealed the existence of a broad maximum in the temperature dependence of the permittivity as well as the dielectric loss. Submillimeter-wave frequency measurements confirmed the intrinsic origin of the observed anomaly, which could possibly be ascribed to phase transition with unknown nature in the Ba6-xSm8+2x/3Ti18O54 solid solution. The temperature of the anomaly, which is in the range of 90-120 degrees C, depends on composition of Ba6-xSm8+2x/3Ti18O54 and decreases with an increase in x. (C) 2000 American Institute of Physics. [S0003-6951(00)02737-6].
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页码:1707 / 1709
页数:3
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