OPTICAL-PROPERTIES OF SINGLE-CRYSTAL TASI2 IN THE PHOTON-ENERGY RANGE 0.6-20 EV

被引：3

作者：

TANAKA, M

KURITA, S

FUJISAWA, M

LEVY, F

机构：

[1] UNIV TOKYO,INST SOLID STATE PHYS,SYNCHROTRON RADIAT LAB,TOKYO 188,JAPAN

[2] ECOLE POLYTECH FED LAUSANNE,INST PHYS APPL,CH-1015 LAUSANNE,SWITZERLAND

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.46.10442

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Polarized reflectivity spectra of single-crystal TaSi2 have been neasured in the photon-energy range 0.6-20 eV to examine the electronic structure. An anisotropy has been definitely found below 12 eV. The complex dielectric functions and the optical conductivities are determined by Kramers-Kronig analysis. The spectral structures are discussed in terms of interband transitions among Ta 5d states and Si 3s-3p states, in comparison with published results on the density of states. The effective numbers of electrons contributing to optical transitions are also discussed.

引用

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页码：10442 / 10445

页数：4

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