Reviews of topical problems

Hydrogen and its compounds under extreme pressure

 a,  a, b, c
a Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk, Moscow, Russian Federation
b Moscow Institute of Physics and Technology (National Research University), Institutskii per. 9, Dolgoprudny, Moscow Region, 141701, Russian Federation
c National Research Center "Kurchatov Institute", Institute for High Energy Physics, pl. Nauki 1, Protvino, Moscow Region, 142281, Russian Federation

In the last two or three years, the significant advances in the study of hydrogen and its compounds under extreme conditions (ultrahigh pressures over a wide temperature range) have notably improved the hydrogen phase diagram, provided a breakthrough in understanding hydrides under pressure (as exemplified by the discovery of high-temperature superconductivity in hydrogen sulfide), and, finally, enabled 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 theoretical and numerical work it stimulates.

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Fulltext is also available at DOI: 10.3367/UFNe.2017.02.038077
Keywords: hydrogen, deuterium, high pressure, phase diagram, superconductivity
PACS: 07.35.+k, 61.50.Ks, 62.50.−p, 64.70.K−, 67.63.−r, 67.80.F−, 67.80.ff, 74.62.Fj, 81.40.Vw (all)
DOI: 10.3367/UFNe.2017.02.038077
Citation: Utyuzh A N, Mikheyenkov A V "Hydrogen and its compounds under extreme pressure" Phys. Usp. 60 886–901 (2017)
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Received: 12th, August 2016, revised: 19th, February 2017, 20th, February 2017

Оригинал: Утюж А Н, Михеенков А В «Водород и его соединения при экстремальных давлениях» УФН 187 953–970 (2017); DOI: 10.3367/UFNr.2017.02.038077

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