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题名: Structural and electrical properties of thick film thermistors based on perovskite La-Mn-Al-O
作者: Xiong, Xinqian; Xu, Jinbao; Zhao, Pengjun; Wang, Lei; Bian, Liang; Xu, Fanglong; Zhang, Jiaqi; Chang, Aiming
通讯作者: Xu, JB
关键词: Electrical properties ; Perovskite ; Thermistor ; Thick film
刊名: Ceramics International
发表日期: 2014
DOI: 10.1016/j.ceramint.2014.03.022
卷: 40, 期:7 PART B, 页:10505-10510
收录类别: SCI
摘要: 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.

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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3757
Appears in Collections:中国科学院特殊环境功能材料与器件重点试验室_期刊论文

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作者单位: 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;Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
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.
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文件名: Structural and electrical properties of thick film thermistors based on perovskite La-Mn-Al-O .pdf
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