Hydrogen and its compounds under extreme pressure

Abstract In the last two or three years, significant advances in the study of hydrogen and its compounds under extreme conditions (ultrahigh pressures over a wide temperature range) have notably changed the hydrogen phase diagram, provided a break-through in understanding hydrides’ behavior under pr...

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Bibliographic Details
Published inPhysics Uspekhi Vol. 60; no. 9; pp. 886 - 901
Main Authors Utyuzh, A N, Mikheyenkov, A V
Format Journal Article
LanguageEnglish
Published London IOP Publishing 01.12.2017
Subjects
High temperature
Hydrogen
Hydrogen storage
Hydrogen sulfide
Metallizing
Phase diagrams
Superconductivity
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Summary:Abstract In the last two or three years, significant advances in the study of hydrogen and its compounds under extreme conditions (ultrahigh pressures over a wide temperature range) have notably changed the hydrogen phase diagram, provided a break-through in understanding hydrides’ behavior under pressure (as exemplified by the discovery of high-temperature superconductivity in hydrogen sulfide), and, finally, enabled achieving cold metallization of hydrogen. The situation prior to the 2010s is reviewed in brief and more recent work is examined in detail. While the primary focus is on experimental research, mention is also made of the theoretical and numerical work it stimulates.
ISSN:1063-7869
1468-4780
DOI:10.3367/UFNe.2017.02.038077