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6CCVD Research

High-pressure transformatior

At a Glance

Section titled “At a Glance”
MetadataDetails
Publication Date2016-01-01
AuthorsC. Sanloup, Ho‐kwang Mao, Russell J. Hemley

Abstract

Section titled “Abstract”

A high-pressure investigation of the Xe-H20 chemical system was fe conducted by using diamond-anvil cell techniques combined with ca in situ Raman spectroscopy, synchrotron x-ray diffraction, and laser S( heating. Structure I xenon clathrate was observed to be stable up w to 1.8 GPa, at which pressure it transforms to a new Xe clathrate e) phase stable up to 2.5 GPa before breaking down to ice VII plus ar solid xenon. The bulk modulus and structure of both phases were be determined: 9 1 GPa for Xe clathrate A with structure I (cubic, a = 11.595 ? 0.003 A, V = 1,558.9 + 1.2 A3 at 1.1 GPa) and 45 + 5 GPa ol for Xe clathrate B (tetragonal, a = 8.320 ? 0.004 A, c = 10.287 ? at 0.007 A, V = 712.1 ? 1.2 A3 at 2.2 GPa). The extended pressure in

Tech Support

Section titled “Tech Support”

Original Source

Section titled “Original Source”

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