MEASUREMENTS OF RAMAN INTENSITIES AND PRESSURE-DEPENDENCE OF PHONON FREQUENCIES IN SAPPHIRE

被引：107

作者：

WATSON, GH ^{[1
]}

DANIELS, WB ^{[1
]}

WANG, CS ^{[1
]}

机构：

[1] UNIV DELAWARE,FRANKLIN INST,BARTOL RES FDN,NEWARK,DE 19711

来源：

JOURNAL OF APPLIED PHYSICS | 1981年 / 52卷 / 02期

关键词：

D O I：

10.1063/1.328785

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Absolute Raman cross sections and mode Gruneisen parameters of the Raman-active optical vibrational modes of sapphire ( alpha equals Al//2O//3) were measured. Intensity measurements reveal that magnitudes of the Raman tensor components agree very well with group theoretical expectations. Pressure dependence of the frequencies has been measured over a range from 1 to 10 kbars and mode Gruneisen parameters have been calculated.

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页码：956 / 958

页数：3

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