The optical properties of the correlated two-dimensional 2H-TaSe2 system

被引:3
|
作者
Vescoli, C [1 ]
Degiorgi, L
Berger, H
Forro', L
机构
[1] ETH Zurich, Festkorperphys Lab, CH-8093 Zurich, Switzerland
[2] Ecole Polytech Fed Lausanne, Dept Phys, CH-1015 Lausanne, Switzerland
关键词
reflection spectroscopy; charge-density-wave transition;
D O I
10.1016/S0379-6779(98)00685-7
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We discuss the optical response of the two-dimensional (2D) dichalcogenide 2H-TaSe2. Our findings suggest a dynamics of the charge excitation spectrum dominated by two relevant features: a Drude contribution, which narrows with decreasing temperature, and a broad pseudogap-like feature in the mid-infrared range, which is present at all temperatures below 300 K.
引用
收藏
页码:2655 / 2657
页数:3
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