Near-Infrared Reflectivity of Superconducting FeSe Thin Films

Yanmin Zhang,Wen Xu,Zhongpei Feng,Zefeng Lin,Kui Jin,Jie Zhang,Shun Zhou,Zhaojun Liu,Chen Guan,Tiandi Chen,Junqi Wang,Lan Ding,Sasa Zhang

IEEE Photonics Journal（2019）

引用 12|浏览76

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摘要

We present an investigation on the intrinsic optical properties of superconducting FeSe thin films deposited on CaF2 substrates. It is found that the samples respond strongly to the near-infrared (NIR) irradiation in different temperature regimes. Thus, we are able to measure the optical reflectivity of the in-plane (ab-plane) thin films from room temperature to 5 K. A critical behavior near the s...

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关键词

Temperature measurement,Temperature dependence,Superconducting transition temperature,Optical variables measurement,Optical device fabrication,Optical films,Substrates

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