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Optica Publishing Group
  • Applied Spectroscopy
  • Vol. 37,
  • Issue 1,
  • pp. 85-87
  • (1983)

Glass Anvil Cell for High-pressure Raman and Infrared Spectroscopies up to 12.6 kbar

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Abstract

Raman and infrared spectra at very high pressure are commonly obtained by means of diamond anvil cells. The pressure generated in the diamond anvil cell has exceeded 1.7 Mbar. However, there are some drawbacks of the diamond anvil cell when it is used for Raman and infrared spectroscopic studies, i.e., the fluorescence and infrared absorption of the majority of the natural diamonds due to the defects and impurities, which degrade high-pressure Raman and infrared spectra, unless careful selection of high optical quality diamonds is made. Whalley and Lavernge indicated some years ago that glass anvils could be used at pressures up to at least 50 kbar.

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