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The equation of state of platinum to 660 GPa (6.6 Mbar)
Abstract
Platinum metal was shock compressed to 660 GPa using a two-stage light-gas gun to qualify this material as an ultrahigh-pressure standard for both dynamic and static experiments. The shock velocity data are consistent with most of the previously measured low-pressure data, and an overall linear us−up relationship is found over the range 32–660 GPa. As a part of this work, we have also extended the Hugoniot of the tantalum standard we use to 560 GPa; we have included these data into a new linear fit of the tantalum Hugoniot between 55–560 GPa. We also present the results of a first-principles theoretical treatment of compressed platinum. The fcc phase is predicted to remain stable to beyond 550 GPa. In addition, we have calculated the 300-K pressure-volume isotherm and the Hugoniot. The latter is in excellent agreement with experimental results and qualifies the former to at least 10% accuracy.
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Cites
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Self-citationIntroduction to the theory of error
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Cited by
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
Fei, Y., Van Orman, J., Li, J., van Westrenen, W., Sanloup, C., Minarik, W., Hirose, K., Komabayashi, T., Walter, M., & Funakoshi, K. (2004) · Journal of Geophysical Research: Solid Earth · doi:10.1029/2003jb002562 · Cited by 462
Metadata
- Authors
- Holmes, N. C., Moriarty, J. A., Gathers, G. R., & Nellis, W. J.
- Venue
- Journal of Applied Physics
- Publisher
- AIP Publishing
- Published
- 1989-10-01
- Volume
- 66
- Issue
- 7
- Pages
- 2962-2967
- ISSN
- 0021-8979 (ISSN-L)
- 1089-7550
- OpenAlex
- W1992763496
- Cited by
- 554
- References
- 10
- FWCI
- 8.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- Holmes, N. C., Moriarty, J. A., Gathers, G. R., & Nellis, W. J. (1989). The equation of state of platinum to 660 GPa (6.6 Mbar). Journal of Applied Physics. https://doi.org/10.1063/1.344177
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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