Electronic and Optical Properties of RCuGe Compounds (R = Dy, Ho)

被引：0
|
作者：
Knyazev Y.V. [1 ]
Lukoyanov A.V. [1 ,2 ]
Kuzmin Y.I. [1 ]
Gupta S. [3 ]
Suresh K.G. [3 ]
机构：
[1] Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg
[2] Ural Federal University, Yekaterinburg
[3] Department of Physics, Indian Institute of Technology (Bombay), Mumbai
来源：
Bulletin of the Russian Academy of Sciences: Physics | 2020年 / 84卷 / 09期
基金：
俄罗斯科学基金会;
关键词：
Copper compounds - Dysprosium compounds - Optical conductivity - Holmium compounds - Rare earths - Germanium compounds - Metal ions - Electronic structure - Light absorption;
D O I：
10.3103/S1062873820090191
中图分类号：
学科分类号：
摘要：
Abstract: Results are presented from investigating the electronic structure and optical properties of DyCuGe and HoCuGe compounds. Spin-polarized calculations of the band structure are made using the local spin density approximation that allows for strong electronic correlations in the 4f-shells of rare earth ions. The optical properties of these alloys are studied in a broad range of wavelengths via ellipsometry. The calculated electron densities of states are used to interpret the experimental energy dependences of optical conductivities in the region of interband light absorption. © 2020, Allerton Press, Inc.
引用
收藏
页码：1152 / 1155
页数：3
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