Effect of Y2O3 addition on the electrical properties of BaTiO3-based NTC thermistors

被引：10
|
作者：
Luo, Y [1 ]
Liu, XY
Chen, GH
机构：
[1] Guilin Univ Elect Technol, Res Ctr Mat Sci & Engn, Jinji Rd 1, Guilin 541004, Guangxi Provinc, Peoples R China
[2] Cent S Univ, Coll Mat Sci & Engn, Changsha 410083, Peoples R China
[3] Guilin Acad Air Force, Guilin 541004, Guangxi Provinc, Peoples R China
来源：
MATERIALS LETTERS | 2006年 / 60卷 / 08期
关键词：
NTC; BaBiO3; Y2O3; microstructure; electrical property;
D O I：
10.1016/j.matlet.2005.10.067
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence Of Y2O3 addition on the electrical properties and the microstructure of BaTiO3-based negative temperature coefficient (NTC) thermistors was studied. All the NTC thermistors prepared showed a linear relationship between log resistivity and the temperature, indicative of NTC characteristics. At a given BaTiO3 and BaBiO3 content, as the amount Of Y2O3 in BaTiO3-based ceramics thermistors increased, the resistivity decreased to a minimum value and then increased again. Similarly, Y2O3 addition had the same effect oil the coefficient of temperature sensitivity for those samples. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：1011 / 1013
页数：3
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