High Pressure X-ray Diffraction Study of Potassium Azide
Journal Article
·
· Journal of Physics and Chemistry of Solids
Crystal structure and compressibility of potassium azide was investigated by in-situ synchrotron powder X-ray diffraction in a diamond anvil cell at room temperature up to 37.7 GPa. In the body-centered tetragonal (bct) phase, an anisotropic compressibility was observed with greater compressibility in the direction perpendicular to the plane containing N{sub 3}{sup -} ions than directions within that plane. The bulk modulus of the bct phase was determined to be 18.6(7) GPa. A pressure-induced phase transition may occur at 15.5 GPa.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE SC OFFICE OF SCIENCE (SC)
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 1042019
- Report Number(s):
- BNL-97697-2012-JA; JPCSAW; TRN: US201212%%430
- Journal Information:
- Journal of Physics and Chemistry of Solids, Vol. 72, Issue 6; ISSN 0022-3697
- Country of Publication:
- United States
- Language:
- English
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