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High Pressure-High Temperature Reactions in Xenon-Chlorine System

Published online by Cambridge University Press:  26 February 2011

Maddury Somayazulu ,
Steven Gramsch ,
Ho-Kwang Mao  and
Russell Hemley
Maddury Somayazulu
Affiliation:
zulu@gl.ciw.edu, Carnegie Institution of Washington, Geophysical Laboratory, 5251 Broad Branch Rd. NW, Washington, VA, 20015, United States, (202)478-8911, (202)478-8901
Steven Gramsch
Affiliation:
s.gramsch@gl.ciw.edu, Carnegie Institution of Washington, Geophysical Laboratory, 5251 Broad Branch Rd. NW, Washington, VA, 20015, United States
Ho-Kwang Mao
Affiliation:
mao@gl.ciw.edu, Carnegie Institution of Washington, Geophysical Laboratory, 5251 Broad Branch Rd. NW, Washington, VA, 20015, United States
Russell Hemley
Affiliation:
hemley@gl.ciw.edu, Carnegie Institution of Washington, Geophysical Laboratory, 5251 Broad Branch Rd. NW, Washington, VA, 20015, United States
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Abstract

We present results of studies of the xenon-chlorine system to 60 GPa and temperature range 300 to 2000 K. Using a combination of Raman spectroscopy, infrared spectroscopy and synchrotron x-ray diffraction; we characterize the products of diamond cell experiments. In the 2-20 GPa pressure interval, we observe the formation of a deep red crystalline phase. Above 15 GPa, and at high temperature, a solid solution of Xe and Cl2 appears to form. Comparison of the ultraviolet-visible and infrared absorption measurements on the proposed alloy of Xe and Cl2 show that band edge moves into the visible range at high pressure

Keywords

phase equilibriachemical synthesisXe

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 987: Symposium PP – Materials Research at High Pressure , 2006 , 0987-PP04-07
Copyright
Copyright © Materials Research Society 2007

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References

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