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
收藏
页码：745 / 748
页数：4
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