LIGHT SCATTERING FROM POLARITONS IN CENTROSYMMETRIC CRYSTALS

被引：31

作者：

SCOTT, JF

FLEURY, PA

WORLOCK, JM

机构：

[1] Bell Telephone Laboratories, Holmdel

来源：

PHYSICAL REVIEW | 1969年 / 177卷 / 03期

关键词：

D O I：

10.1103/PhysRev.177.1288

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Polaritons in centrosymmetric crystals (SrTiO3 and KTaO3) have been studied by small-angle light scattering induced by external electric fields. Measurements of polariton dispersion curves in SrTiO3 have produced new values for oscillator strengths of the infrared-active phonons. Absence of a measurable k dependence for the linewidth of the ferroelectric" mode bears on the discrepancy between Raman and infrared linewidth measurements previously reported. © 1969 The American Physical Society."

引用

页码：1288 / &

共 21 条

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