A Pressure-induced Amorphous Phase Transition in Magnesium-substituted beta-tricalcium Phosphate
Journal Article
·
· Solid State Communications
Synchrotron-based X-ray diffraction was used to determine the equation of state and phase transition in magnesium-substituted {beta}-tricalcium phosphate ({beta}-TCMP). It was observed that {beta}-TCMP undergoes a phase transformation from a rhombohedral unit cell to an amorphous structure. This pressure-induced amorphization is reversible from {approx}32 GPa under quasi-hydrostatic conditions and irreversible when quenched from {approx}57 GPa in non-hydrostatic conditions. Based upon the quasi-hydrostatic equation of state, the bulk modulus for the crystalline phase of the material was calculated to be 80.6 {+-} 3.1 GPa.
- Research Organization:
- BROOKHAVEN NATIONAL LABORATORY (BNL)
- Sponsoring Organization:
- USDOE SC OFFICE OF SCIENCE (SC)
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 1042080
- Report Number(s):
- BNL--97758-2012-JA
- Journal Information:
- Solid State Communications, Journal Name: Solid State Communications Journal Issue: 21 Vol. 151; ISSN 0038-1098; ISSN SSCOA4
- Country of Publication:
- United States
- Language:
- English
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