IONIC-CONDUCTION ASSOCIATED WITH POLARONIC HOPPING IN KTIOPO4 SINGLE-CRYSTAL

被引：29
|
作者：
CHOI, BC
KIM, JB
KIM, JN
机构：
[1] Department of Physics, Pusan National University, Pusan
来源：
SOLID STATE COMMUNICATIONS | 1992年 / 84卷 / 11期
关键词：
D O I：
10.1016/0038-1098(92)90444-E
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The frequency dependent a.c. conductivity in KTiOPO4 single crystal, in the range from 10 Hz to 100 kHz, has been measured as a function of temperature between 200-degrees-C and 700-degrees-C. The behavior of sigma(ac) in the low frequency range well obeys the universal power law, sigma(ac) = sigma(dc) + Aomega(S). The temperature dependence of exponent s is described by the OLP model. It is evidently shown that ionic transport behavior in KTP may well be explained by the contribution of polaronic hopping between localized sites.
引用
收藏
页码：1077 / 1080
页数：4
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