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Prediction of a hexagonal SiO(2) phase affecting stabilities of MgSiO(3) and CaSiO(3) at multimegabar pressures
Ultrahigh-pressure phase relationship of SiO(2) silica in multimegabar pressure condition is still quite unclear. Here, we report a theoretical prediction on a previously uncharacterized stable structure of silica with an unexpected hexagonal Fe(2)P-type form. This phase, more stable than the cotunn...
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| Autors principals: | , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
National Academy of Sciences
2011
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3029757/ https://ncbi.nlm.nih.gov/pubmed/21209327 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1013594108 |
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