Studies of ionic conductivity and structural phase transitions of Na3H(SO4)2 crystal

被引：10

作者：

Chen, RH ^{[1
]}

Wang, RJ

Fukami, T

Shern, CS

机构：

[1] Natl Taiwan Normal Univ, Dept Phys, Taipei 117, Taiwan

[2] Univ Ryukyus, Coll Sci, Dept Phys & Earth Sci, Okinawa 90301, Japan

来源：

SOLID STATE IONICS | 1998年 / 110卷 / 3-4期

关键词：

Na3H(SO4)(2); ionic conductivity; structural phase transition;

D O I：

10.1016/S0167-2738(98)00135-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The complex electrical impedance of Na3H(SO4)(2) along the b(m)-axis has been measured from 25 degrees to 316 degrees C in the frequency range 4 kHz-40 MHz. The temperature dependence of the electrical conductivity shows remarkable changes in the temperature range 160 degrees C-260 degrees C. The sample crystal becomes a fast ionic conductor above 260 degrees C. The conduction mechanisms of proton and sodium ions in the different phases are analyzed in detail with respect to the structural features of the sample crystal. (C) 1998 Elsevier Science BN. All rights reserved.

引用

页码：277 / 281

页数：5

共 12 条

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