Structural and electrical properties of thick film thermistors based on perovskite La-Mn-Al-O
Xiong, Xinqian; Xu, Jinbao; Zhao, Pengjun; Wang, Lei; Bian, Liang; Xu, Fanglong; Zhang, Jiaqi; Chang, Aiming
2014
Source PublicationCeramics International
ISSN0272-8842
Volume40Issue:7 PART BPages:10505-10510
Abstract

LaMnO3 thick films doped with Al were fabricated on Al 2O3 substrates by screen printing technique. Significantly composition-dependent structural phase transformation and grain size were observed in Al-doped LMO thick films by X-ray diffraction and scanning electron microscopy. The resistivity of all the thick films decreased with the increase of temperature, indicating a negative temperature coefficient effect. Al doping resulted in a sharp rise in room resistivity (ρ0) and thermal constant (B) as compared with non-doped films. Among the films investigated, the film with composition x=0.4 showed a unique electrical property and was further examined in detail using the complex impedance analysis, in order to unveil the structure-property relationship.

KeywordElectrical Properties Perovskite Thermistor Thick Film
DOI10.1016/j.ceramint.2014.03.022
Indexed BySCI
WOS IDWOS:000337015300041
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/3757
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 AuthorXu, Jinbao
AffiliationXinjiang 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;Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Xiong, Xinqian,Xu, Jinbao,Zhao, Pengjun,et al. Structural and electrical properties of thick film thermistors based on perovskite La-Mn-Al-O[J]. Ceramics International,2014,40(7 PART B):10505-10510.
APA Xiong, Xinqian.,Xu, Jinbao.,Zhao, Pengjun.,Wang, Lei.,Bian, Liang.,...&Chang, Aiming.(2014).Structural and electrical properties of thick film thermistors based on perovskite La-Mn-Al-O.Ceramics International,40(7 PART B),10505-10510.
MLA Xiong, Xinqian,et al."Structural and electrical properties of thick film thermistors based on perovskite La-Mn-Al-O".Ceramics International 40.7 PART B(2014):10505-10510.
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