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Evidence of a fcc-hcp Transition in Aluminum at Multimegabar Pressure
Abstract
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/V0 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 K0' 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 K0 obtained from previous ultrasonic experiments.
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Cited by
Ab initio random structure searching
Pickard, C. J., & Needs, R. J. (2011) · Journal of Physics: Condensed Matter · doi:10.1088/0953-8984/23/5/053201 · Cited by 1,302
Pressure calibration of diamond anvil Raman gauge to 310GPa
Akahama, Y., & Kawamura, H. (2006) · Journal of Applied Physics · doi:10.1063/1.2335683 · Cited by 494
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Metadata
- Authors
- Akahama, Y., Nishimura, M., Kinoshita, K., Kawamura, H., & Ohishi, Y.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2006-02-03
- Volume
- 96
- Issue
- 4
- Pages
- 045505-045505
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2041421992
- Cited by
- 180
- References
- 0
- FWCI
- 5.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Akahama, Y., Nishimura, M., Kinoshita, K., Kawamura, H., & Ohishi, Y. (2006). Evidence of a fcc-hcp Transition in Aluminum at Multimegabar Pressure. Physical Review Letters. https://doi.org/10.1103/physrevlett.96.045505
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