Recent Progress in High-Pressure Brillouin Scattering: Olivine and Ice

Chang Sheng Zha, Ho kwang Mao, Russell J. Hemley, Thomas S. Duffy

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

We report measurements of the sound velocity and elasticity for single-crystal San Carlos olivine to 32 GPa and polycrystalline ice VII to 40 GPa. For San Carlos olivine single crystals, We performed both Brillouiln scattering and X-ray diffraction measurements at each pressure to obtam independendy the equation of state and elasticity. The absolute pressure P can be calculated from thermodynamic relations and compared with the ruby pressure scale. In an experiment on polycrystalUne ice VII, we demonstrate that Brillouin scattering can be used for elastic constant measurements on polycrystalline materials as well as on single crystals.

Original languageEnglish (US)
Pages (from-to)739-741
Number of pages3
JournalReview of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu
Volume7
DOIs
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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