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Compressional pathways of α-cristobalite, structure of cristobalite X-I, and towards the understanding of seifertite formation

In various shocked meteorites, low-pressure silica polymorph α-cristobalite is commonly found in close spatial relation with the densest known SiO(2) polymorph seifertite, which is stable above ∼80 GPa. We demonstrate that under hydrostatic pressure α-cristobalite remains untransformed up to at leas...

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Detalles Bibliográficos
Autores principales:	Černok, Ana, Marquardt, Katharina, Caracas, Razvan, Bykova, Elena, Habler, Gerlinde, Liermann, Hanns-Peter, Hanfland, Michael, Mezouar, Mohamed, Bobocioiu, Ema, Dubrovinsky, Leonid
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	Nature Publishing Group 2017
Materias:	Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5467234/ https://www.ncbi.nlm.nih.gov/pubmed/28589935 http://dx.doi.org/10.1038/ncomms15647

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