300-K equation of state and high-pressure phase stability of (AlBC3)-B-3

摘要

The lattice parameters of Al3BC3 have been measured at room temperature up to 7.5 GPa using X-ray powder diffraction with synchrotron radiation, From the obtained pressure-volume relation for Al3BC3, the isothermal bulk modulus of B-0 = 153 +/- 6 GPa and its pressure derivative of dB(0)/dp = 19 +/- 4 have been calculated by fitting a Birch-Murnaghan equation of state, Al3BC3 undergoes no structural transformations up to 1800 K over the 2.5 to 5,3-GPa pressure range. (C) 2000 Academic Press. [References: 11]