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Quasihydrostatic Equation of State of Iron above 2 Mbar
Abstract
The compression curve of iron is measured up to 205 GPa at 298 K, under quasihydrostatic conditions in a diamond anvil cell. Above 150 GPa, the compression of this metal is significantly higher than previously measured under nonhydrostatic conditions. The same compression curve is also calculated ab initio and the deviation between experiment and theory is clearly established. A formulation of the equation of state of iron over a large pressure and temperature range, based on the current data and existing shock-wave data, is also proposed. Implications for the Earth's core are discussed.
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Cites
Projector augmented-wave method
Blöchl, P. E. (1994) · Physical Review B · doi:10.1103/physrevb.50.17953 · Cited by 92,732
From ultrasoft pseudopotentials to the projector augmented-wave method
Kresse, G., & Joubert, D. (1999) · Physical Review B · doi:10.1103/physrevb.59.1758 · Cited by 85,307
Cited by
Toward an internally consistent pressure scale
Fei, Y., Ricolleau, A., Frank, M., Mibe, K., Shen, G., & Prakapenka, V. (2007) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0609013104 · Cited by 707
Torrent, M., Jollet, F., Bottin, F., Zérah, G., & Gonze, X. (2008) · Computational Materials Science · doi:10.1016/j.commatsci.2007.07.020 · Cited by 606
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Zeng, L., Sasselov, D. D., & Jacobsen, S. B. (2016) · The Astrophysical Journal · doi:10.3847/0004-637x/819/2/127 · Cited by 432
Direct measurement of thermal conductivity in solid iron at planetary core conditions
Konôpková, Z., McWilliams, R. S., Gómez-Pérez, N., & Goncharov, A. F. (2016) · Nature · doi:10.1038/nature18009 · Cited by 309
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Genda, H. (2016) · GEOCHEMICAL JOURNAL · doi:10.2343/geochemj.2.0398 · Cited by 75
Metadata
- Authors
- Dewaele, A., Loubeyre, P., Occelli, F., Mezouar, M., Dorogokupets, P. I., & Torrent, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2006-11-22
- Volume
- 97
- Issue
- 21
- Pages
- 215504-215504
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2084768845
- Cited by
- 435
- References
- 2
- FWCI
- 9.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dewaele, A., Loubeyre, P., Occelli, F., Mezouar, M., Dorogokupets, P. I., & Torrent, M. (2006). Quasihydrostatic Equation of State of Iron above 2 Mbar. Physical Review Letters. https://doi.org/10.1103/physrevlett.97.215504
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