ON THE USE OF DIAMOND AS A PRESSURE CALIBRANT FOR NEAR-INFRARED FT-RAMAN MICROSPECTROSCOPY AT HIGH-PRESSURES

被引：27
|
作者：
MARKWELL, RD
BUTLER, IS
机构：
来源：
CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE | 1995年 / 73卷 / 07期
关键词：
FT-RAMAN SPECTROSCOPY; DIAMOND; HIGH PRESSURES;
D O I：
10.1139/v95-126
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The pressure-induced shift of the Raman-active t(2g) phonon mode of the diamond windows in a commercial diamond-anvil cell, located at 1332.5 cm(-1) at ambient pressure, can be used as an in situ calibrant for near-IR FT-Raman microspectroscopy at high pressures. The measured pressures are considered to be accurate to within +/-2 kbar throughout the 4-45 kbar range for which the associated pressure (P, kbar) vs. wavenumber (nu, cm(-1)) relationship is P = 6.66 nu - 1335.9.
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页码：1019 / 1022
页数：4
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