Electrical properties of binder-free thick film BaYxBi1-xO3 NTC thermistors

被引：4
|
作者：
Luo, Ying [1 ,2 ]
Li, Xvqiong [1 ]
Liu, Xinyu [1 ]
机构：
[1] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
[2] Guilin Acad AF, Guilin 541004, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 02期
关键词：
Thick film thermistor; BaYxBi1-xO3; Phase structure; Microstructure; Electrical properties; OXIDE; SYSTEM;
D O I：
10.1016/j.jallcom.2010.09.061
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 microstructure and electrical properties of BaYxBi1-xO3 thick film negative temperature coefficient thermistors, fabricated by screen printing, were investigated. The sintered thick films were the single-phase solid solutions of the BaYxBi1-xO3 compounds with a monoclinic structure. The added Y2O3 led to a significant decrease in the grain size of the thermistors. The resistivity and coefficient of temperature sensitivity for the BaYxBi1-xO3 (0 <= x <= 0.15) thick film NTC thermistors decreased first with increasing x in the range of x < 0.04 and then increased with further increase in x. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：463 / 465
页数：3
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