New NTC thermistors based on LaCrO3-Mg(Al0.7Cr0.3)(2)O-4 composite ceramics
Yang, T (Yang, Tian); Zhang, B (Zhang, Bo); Luo, P (Luo, Ping); Zhao, Q (Zhao, Qing); He, DL (He, Donglin); Chang, AM (Chang, Aimin)
2017
Source PublicationJOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
ISSN0957-4522
Volume28Issue:11Pages:7558-7561
Abstract

In this study, the xLaCrO(3)-(1-x) Mg(Al0.7Cr0.3)(2)O-4 (x = 0.1, 0.2, 0.3, 0.4) negative temperature coefficient composite ceramics were fabricated through conventional solid state reaction at 1650 C-circle. X-ray diffraction analysis has revealed that the sintered ceramics are consisted of cubic spinel Mg(Al0.7Cr0.3)(2)O-4 phase and orthorhombic perovskite LaCrO3 phase. The obtained values of rho(300) and B-400/800 and E-a are in the range of 1.55 x 10(2)-1.41 x 10(8) Omega cm, 756-11317 K, 0.065-0.976 eV, respectively. The electrical properties of these ceramics can be adjusted by the LaCrO3 contents. Such ceramics could be suitable for high temperature NTC thermistor application.

DOI10.1007/s10854-017-6445-1
Indexed BySCI
WOS IDWOS:000401266700004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5075
Collection中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
Corresponding AuthorZhang, B (Zhang, Bo); Chang, AM (Chang, Aimin)
Affiliation1.Xinjiang Tech Inst Phys & Chem CAS, Xinjiang Key Lab Elect Informat Mat & Devices, Key Lab Funct Mat & Devices Special Environm CAS, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yang, T ,Zhang, B ,Luo, P ,et al. New NTC thermistors based on LaCrO3-Mg(Al0.7Cr0.3)(2)O-4 composite ceramics[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2017,28(11):7558-7561.
APA Yang, T ,Zhang, B ,Luo, P ,Zhao, Q ,He, DL ,&Chang, AM .(2017).New NTC thermistors based on LaCrO3-Mg(Al0.7Cr0.3)(2)O-4 composite ceramics.JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,28(11),7558-7561.
MLA Yang, T ,et al."New NTC thermistors based on LaCrO3-Mg(Al0.7Cr0.3)(2)O-4 composite ceramics".JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 28.11(2017):7558-7561.
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