High pressure x-ray diffraction study of tungsten disulfide

Journal Article · Sat Dec 31 23:00:00 EST 2005 · J. Phys. Chem. Solids

DOI:https://doi.org/10.1016/j.jpcs.2006.05.008· OSTI ID:914178

Selvi, E; Ma, Y; Aksoy, R; Ertas, A; White, A; Sandhu, J

Synchrotron X-ray diffraction was used in conjunction with a diamond anvil cell to investigate the properties of tungsten disulfide (WS{sub 2}) to 25.5 GPa at room temperature. No pressure medium was used to generate hydrostatic pressure. No phase transformation was observed in the pressure range studied. By fitting the pressure-volume data to the third-order Birch-Murnaghan equation of state, the bulk modulus was determined to be K{sub 0T}=61{+-}1 GPa with its pressure derivative K{prime}{sub 0T}=9.0{+-}0.3. It is also found that the c-direction of the hexagonal structure is much more compressible than the a-direction.

• Research Organization: Brookhaven National Laboratory (BNL) National Synchrotron Light Source
• Sponsoring Organization: Doe - Office Of Science
• DOE Contract Number: AC02-98CH10886
• OSTI ID: 914178
• Report Number(s): BNL--78746-2007-JA
• Journal Information: J. Phys. Chem. Solids, Journal Name: J. Phys. Chem. Solids Vol. 67; ISSN 0022-3697; ISSN JPCSAW
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
DIAMONDS
DISULFIDES
HYDROSTATICS
PHASE TRANSFORMATIONS
PRESSURE RANGE
SYNCHROTRONS
TUNGSTEN
X-RAY DIFFRACTION
national synchrotron light source