IONIC-CONDUCTION AND ULTRASONIC VELOCITY IN NA1+2XZR2-XMNX(PO4)3

被引：1
|
作者：
INOUE, N
OGAWA, Y
NAKANISHI, T
MATSUMOTO, Y
HASEGAWA, T
机构：
[1] Department of Physics, Ehime University, Matsuyama, Ehime, 790
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1994年 / 33卷 / 5B期
关键词：
ELECTRICAL IMPEDANCE; ULTRASONIC VELOCITY; ELASTICITY; IONIC CONDUCTOR; HOPPING CONDUCTION; GRAIN BOUNDARY DIFFUSION;
D O I：
10.1143/JJAP.33.2894
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We studied the electrical impedance as a function of frequency ranging from 75 kHz-20 MHz at temperature ranging froin 30-253-degrees-C, and the ultrasonic velocity dependence on x at room temperature in order to investigate ionic conduction mechanisms of Na1+2rZr2-xMnx(PO4)3 with a bottle-neck structure. In the complex impedance representation, we observed either one or two semicircles strongly dependent on x, and a transition from single semicircle to double semicircles at x=0.5. Ultrasonic velocity showed an anomaly at x=0.5. Based on these results, we concluded that we observed the bulk conduction and grain boundary diffusion of the sodium ion.
引用
收藏
页码：2894 / 2896
页数：3
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