In situ X-ray diffraction of silicate liquids and glasses under dynamic and static compression to megabar pressures.
XFEL diffraction
amorphous silicates
high pressure
shock compression
static compression
Journal
Proceedings of the National Academy of Sciences of the United States of America
ISSN: 1091-6490
Titre abrégé: Proc Natl Acad Sci U S A
Pays: United States
ID NLM: 7505876
Informations de publication
Date de publication:
02 Jun 2020
02 Jun 2020
Historique:
pubmed:
18
5
2020
medline:
18
5
2020
entrez:
17
5
2020
Statut:
ppublish
Résumé
Properties of liquid silicates under high-pressure and high-temperature conditions are critical for modeling the dynamics and solidification mechanisms of the magma ocean in the early Earth, as well as for constraining entrainment of melts in the mantle and in the present-day core-mantle boundary. Here we present in situ structural measurements by X-ray diffraction of selected amorphous silicates compressed statically in diamond anvil cells (up to 157 GPa at room temperature) or dynamically by laser-generated shock compression (up to 130 GPa and 6,000 K along the MgSiO
Identifiants
pubmed: 32414927
pii: 1920470117
doi: 10.1073/pnas.1920470117
pmc: PMC7275726
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
11981-11986Déclaration de conflit d'intérêts
The authors declare no competing interest.
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