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Chinese Journal of High Pressure Physics  > 1998  >  12(3): 212-217 .
DING Dong-Ye, XIE Hong-Sen, SU Gen-Li, ZHANG Yue-Ming, GUO Jie, JIANG Da-Yong, XU Zu-Ming. Synthetic SiO2 Glass at 2.0~5.5 GPa[J]. Chinese Journal of High Pressure Physics, 1998, 12(3): 212-217 . doi: 10.11858/gywlxb.1998.03.008
Citation: DING Dong-Ye, XIE Hong-Sen, SU Gen-Li, ZHANG Yue-Ming, GUO Jie, JIANG Da-Yong, XU Zu-Ming. Synthetic SiO2 Glass at 2.0~5.5 GPa[J]. Chinese Journal of High Pressure Physics, 1998, 12(3): 212-217 . doi: 10.11858/gywlxb.1998.03.008
shu

Synthetic SiO2 Glass at 2.0~5.5 GPa

doi: 10.11858/gywlxb.1998.03.008

  • Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China

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  • Corresponding author: DING Dong-Ye
  • Received Date: 25 Mar 1998
  • Rev Recd Date: 11 May 1998
  • Issue Publish Date: 05 Sep 1998
    Abstract
  • A series of SiO2 glasses are synthesized at 355～445 ℃ and 2.0～5.5 GPa, making use of silica (99.99% purity). The infrared spectra of these SiO2 glasses are similar to that of densified SiO2 glass. The relations between natural logarithm of pressure and index of SiO2 glass or densified SiO2 glass are linear. These SiO2 glasses contain a little water which exists in the form of OH- ion. It is possible that a little water results in amorphization of silica.

     

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