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High-pressure high-...
High-pressure high-temperature equation of state of KCl and KBr
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Dewaele, A. (författare)
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- Belonoshko, Anatoly B. (författare)
- KTH,Kondenserade materiens teori
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Garbarino, G. (författare)
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Occelli, F. (författare)
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Bouvier, P. (författare)
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Hanfland, M. (författare)
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Mezouar, M. (författare)
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(creator_code:org_t)
- 2012
- 2012
- Engelska.
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 85:21, s. 214105-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The equation of state of KCl and KBr, compressed in a helium pressure medium in a diamond-anvil cell, has been measured by x-ray diffraction in the B1 and B2 phases up to 165 GPa at 298 K. The P-V-T of B2 KCl and B2 KBr has been calculated by ab initio molecular dynamics in a wide compression range and up to 7000 K. The thermal pressure exhibits a linear behavior with temperature and remains low under high compression. The experimental P-V points and the thermal pressure calculated by molecular dynamics have been used to set up a high-pressure high-temperature equation of state of B2 KCl and B2 KBr. With these equations of state, B2 KCl and B2 KBr can be used as pressure markers in laser-heated diamond-anvil-cell experiments.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- TOTAL-ENERGY CALCULATIONS
- AUGMENTED-WAVE METHOD
- ELECTRON-GAS
- BASIS-SET
- X-RAY
- COMPRESSION
- SOLIDS
- HALIDES
- ARGON
- GPA
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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