Thermochromic effect at room temperature of Sm0.5Ca0.5MnO3 thin films

被引：8

作者：

Boileau, A. ^{[1
]}

Capon, F. ^{[1
]}

Barrat, S. ^{[1
]}

Laffez, P. ^{[2
]}

Pierson, J. F. ^{[1
]}

机构：

[1] Univ Lorraine, Inst Jean Lamour, Dept CP2S, UMR CNRS 7198, F-54042 Nancy, France

[2] Univ Tours, IUT Blois, UMR CNRS 7347, GREMAN, F-41000 Blois, France

来源：

JOURNAL OF APPLIED PHYSICS | 2012年 / 111卷 / 11期

关键词：

TRANSPORT;

D O I：

10.1063/1.4722264

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Sm0.5Ca0.5MnO3 thermochromic thin films were synthesized using dc reactive magnetron co-sputtering and subsequent annealing in air. The film structure was studied by x-ray diffraction analysis. To validate the thermochromic potentiality of Sm0.5Ca0.5MnO3, electrical resistivity and infrared transmittance spectra were recorded for temperatures ranging from 77K to 420 K. The temperature dependence of the optical band gap was estimated in the near infrared range. Upon heating, the optical transmission decreases in the infrared domain showing a thermochromic effect over a wide wavelength range at room temperature. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4722264]

引用

页数：4

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