常温高压下水的拉曼谱峰标定压力的研究

李敏; 郑海飞

doi:10.11858/gywlxb.2004.04.015

常温高压下水的拉曼谱峰标定压力的研究

doi: 10.11858/gywlxb.2004.04.015

李敏^1,2,
郑海飞^1,2,

1.
北京大学造山带与地壳演化教育部重点实验室，北京 100871；
2.
北京大学地球与空间科学学院地球化学研究所，北京 100871

详细信息

通讯作者:
郑海飞

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出版历程
- 收稿日期: 2004-01-16
- 修回日期: 2004-06-30
- 发布日期: 2004-12-05

Research on Raman Spectra of Water as a Pressure Gauge at High Pressure and Room Temperature

LI Min^1,2,
ZHENG Hai-Fei^{1,2
,}

1.
Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, Beijing 100871, China;
2.
Graduate School of Geochemistry, School of Earth and Space Science, Peking University, Beijing 100871, China

More Information

Corresponding author: ZHENG Hai-Fei

摘要

摘要: 利用金刚石压腔测定了26 ℃高压下水的OH伸缩振动拉曼谱峰的变化，并对其进行分峰处理，初步确定了水的拉曼拟合峰3 244的峰位置与体系压力的关系，且论证了利用水的拉曼拟合峰3 244的变化标定金刚石压腔压力的优点以及应用上的局限性。实验结果表明：26 ℃时，在实验的压力范围内，由水的拉曼谱峰拟合得到的3 244峰位置随着体系压力的增加呈线性减小。其关系式为p (MPa)=32.9(p)3 244+200.7（3 215 cm-1 3 2443 244 cm-1）。
- 压标 /
- 水 /
- 拉曼谱峰 /
- 3 244峰
Abstract: This paper has discussed the reliability of the Raman spectra of water as a pressure gauge for the hydrothermal diamond anvil cell (HDAC) at pressures of 39~1 150 MPa and a temperature of 26 ℃. The results show a linear relation between pressure and the frequency of the fitted peak: p (MPa)=32.9(p)3 244+200.7 (3 215 cm-1 3 2443 244 cm-1).
- pressure gauge /
- water /
- Raman spectra /
- 3 244

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参考文献(16)

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