Infrared emittance of Cux-Ni1-x alloys

被引:3
|
作者
Gelin, K [1 ]
Wäckelgård, E [1 ]
机构
[1] Uppsala Univ, Dept Engn Sci, Div Solid State Phys, SE-75121 Uppsala, Sweden
关键词
D O I
10.1088/0953-8984/16/6/013
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The aim of this work was to study Cu-Ni alloys and establish a relation between alloy concentration and infrared emittance for wavelengths of the order 10 gm, which is of interest in room temperature applications. The resistivity was measured at room temperature for the same alloy compositions as the emittance in order to investigate the validity of the Hagen-Rubens relation in the infrared wavelength range for Cu-Ni. The Hagen-Rubens relation is verified for both the copper-rich and nickel-rich samples. We therefore assume strong electron scattering from impurities so that intraband transitions dominate over interband transitions in the infrared wavelength range. The validity of the Hagen-Rubens relation can, as a good approximation, also be used for the integrated thermal emittance.
引用
收藏
页码:833 / 843
页数:11
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