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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