Elastic Moduli of Diamond as a Function of Pressure and Temperature

作者：H. J. McSkimin, P. Andreatch · 发表于：Journal of Applied Physics · 年份：1972 · DOI：10.1063/1.1661636 · 被引用次数：567 · 研究领域：High-pressure geophysics and materials、Diamond and Carbon-based Materials Research、Geophysics and Sensor Technology

Values of wave velocities and elastic moduli at 25°C were measured for hydrostatic pressures to 20 000 psi (excess over 1 atm). Variations of velocities and moduli at 1 atm were obtained over a temperature range of +50°C to −195.8°C. Adiabatic stiffness moduli (units of 1012 dyn/cm2), their pressure derivatives, and their temperature coefficients (units of 10−5/C), are shown below for 1 atm and 25°C. ModulusValuePressure derivativesTemperature coefficientc1110.79±0.055.98±0.7−1.37±0.2c12 1.24±0.053.06±0.7−5.70±1.5c44 5.78±0.022.98±0.3−1.25±0.1