Diffusion behavior of Ag electrodes into (Bi1/2K1/2)TiO3 ceramics

被引：2
|
作者：
Iwagami, Naoki [1 ]
Nagata, Hajime [1 ]
Sakaguchi, Isao [2 ]
Takenaka, Tadashi [1 ]
机构：
[1] Tokyo Univ Sci, Fac Sci & Technol, Noda, Chiba 2788510, Japan
[2] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan
来源：
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2015年 / 123卷 / 1439期
关键词：
Lead-free piezoelectric ceramics; Ag; Electrode; Diffusion; SIMS; Perovskkite; PIEZOELECTRIC PROPERTIES; SILVER;
D O I：
10.2109/jcersj2.123.615
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The diffusion of silver, Ag, as the electrode material in (Bi1/2K1/2)TiO3 (BKT) ceramic were studied by means of a secondary ion mass spectrometry (SIMS). Some analytical methods of SIMS were applied to obtain Ag diffusion coefficient in BKT ceramics. Depth profile of Ag showed a simple concentration gradient from the surface towards the deeper side in BKT ceramics. From these profiles, the diffusion coefficients of Ag were calculated and obtained by the analysis. The temperature dependence of Ag diffusion in BKT ceramics was described by 2.2 x 10(6) cm(2)/s of pre-exponential factor and 296 kJ/mol of the activation energy in the temperature range of 700-900 degrees C as diffusion treatments. (C) 2015 The Ceramic Society of Japan. All rights reserved.
引用
收藏
页码：615 / 617
页数：3
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