期刊
PHYSICAL REVIEW LETTERS
卷 96, 期 4, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.96.045505
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The structure phase transition and the equation of state (EOS) of the third-period simple metal Al were investigated at pressure up to 333 GPa by powder x-ray diffraction experiments. The theoretically predicted fcc-hcp transition was observed at the reduced volume V/V-0 of 0.509(1), corresponding to the pressure of 217 +/- 10 GPa. From the obtained pressure-volume data, the pressure derivative of the bulk modulus K-0' for the EOS of fcc-Al was determined to be 4.83(3) by fitting to the Vinet formulation with a fixed value 72.7 GPa of K-0 obtained from previous ultrasonic experiments.
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