IR reflection spectra of NaCl crystals near a lattice resonance

被引：0

作者：

Gorelik, V. S. ^{[1
]}

Filatov, V. V. ^{[2
]}

机构：

[1] Russian Acad Sci, Lebedev Inst Phys, Moscow 119991, Russia

[2] Bauman State Tech Univ, Moscow 107005, Russia

来源：

INORGANIC MATERIALS | 2013年 / 49卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

Dispersion Curve; Rocksalt; Negative Refractive Index; Lattice Resonance; Polariton Wave;

D O I：

10.1134/S0020168513070054

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper analyzes reflection spectra of NaCl crystals near an IR permittivity resonance. Dispersion laws, omega = omega(k), are derived for polariton waves. We calculate the velocity and effective mass of polaritons in different branches, compare theoretical results with a measured IR reflection spectrum reported earlier, and interpret the features observed in the reflection spectrum near the longitudinal optical phonon frequency.

引用

页码：745 / 748

页数：4

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[1] IR reflection spectra of NaCl crystals near a lattice resonance
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