Co-optimization of Ag and K doping to regulate room-temperature coefficient of resistivity of La0.7Ag0.3-xKxMnO3 films

Xiaokun Zhu,Shuaizhao Jin,Xiaohan Yu,Zhiyuan Yu,Xin Gu,Xiaoli Guan,Kaikai Wu,Yixin Yan,Liming Zhao,Jiamei Han,Jiabin Jiang,Xiang Liu, Xiangming Li

Applied Surface Science（2023）

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摘要

•Using a spin coating method to obtain LAKMO films on SrTiO3 substrate.•Effect of Ag/K co-doping on the electrical transport properties was studied.•Mechanism behind optimization of large room-temperature TCR of LAKMO films revealed.•La0.7Ag0.13K0.17MnO3 film as promising candidate for uncooling infrared bolometer fabricated.

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关键词

La0.7Ag0.3-xKxMnO3~(0.15 <= x <= 0.19) films, Temperature coefficient of resistivity(TCR), Spin-coating method, Uncooled infrared bolometers

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