Multilayer Perovskite-Based Thermistors Fabricated by LTCC Technology

被引:2
|
作者
Kulawik, J. [1 ]
Szwagierczak, D. [1 ]
Witek, K. [1 ]
Skwarek, A. [1 ]
Groeger, B. [1 ]
机构
[1] Inst Electr Mat Technol, Krakow Div, PL-30701 Krakow, Poland
关键词
NTC THERMISTORS; ELECTRICAL-PROPERTIES;
D O I
10.12693/APhysPolA.123.436
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In this work, single-phase La0.7Sr0.3Zr0.5Co0.22+Co0.33+O3 and La0.8Sr0.2Ti0.5Co0.32+Co0.33+O3 ceramics with the stable perovskite structure were utilized for fabrication of multilayer negative temperature coefficient thermistors. The number and thicknesses of ceramic layers were adjusted to attain suitable resistances in a desired temperature range. Scanning electron microscopy studies revealed a dense, fine-grained microstructure of ceramic layers, lack of delaminations and cracks at ceramic layer conductive layer boundaries and a good cooperation with conductive layers. The temperature coefficients of resistance of the fabricated multilayer thermistors were changing from 13 to 1%/K in the temperature range from 55 to 400 degrees C. DOI: 10.12693/APhysPolA.123.436
引用
收藏
页码:436 / 438
页数:3
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