Electron doped (Sm1-x,Cax)MnO3 perovskite manganite as potential infrared thermochromic switch

被引：22
作者：
Laffez, Patrick
Zaghrioui, M.
Reversat, Luc
Ruello, P.
机构：
[1] CNRS, UMR 6087, Lab Phys Etat Condense, Fac Sci, F-72085 Le Mans, France
[2] Univ Tours, CNRS, Lab Electrodynam & Mat Avances Tours Blois, IUT Blois,UMR 6115,CEA, F-41029 Tours, France
[3] CNRS, UMR 6087, Lab Phys Etat Condense, Fac Sci, F-72085 Le Mans, France
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 08期
关键词：
D O I：
10.1063/1.2236290
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have synthesized (Sm1-x,Ca-x)MnO3 and related compositions to show their potential use as thermochromic switch in the infrared range. Depending on temperature or composition, the single phase is stabilized using the polyacrilamide gel process. Infrared transmittance was measured on selected samples in the 1,42-25 mu m range. Relative contrast up to 0.773 is measured in the 8-14 mu m range. Full opacity in the 8-14 mu m range occurs at temperatures between 273 and 300 K, depending on the composition. The potential application of perovskites manganites as thermochromic infrared switch or coating is discussed.
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页数：3
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