Open AccessComment on “Observation of the Wigner-Huntington transition to metallic hydrogen”
Author(s) -
Alexander F. Goncharov,
Viktor V. Struzhkin
Publication year - 2017
Publication title -
science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 12.556
H-Index - 1186
eISSN - 1095-9203
pISSN - 0036-8075
DOI - 10.1126/science.aam9736
Subject(s) - metallic hydrogen , hydrogen , metal , atomic physics , condensed matter physics , physics , materials science , quantum mechanics , metallurgy
Dias and Silvera (Research Article, 17 February 2017, p. 715) report on the observation of the Wigner-Huntington transition to metallic hydrogen at 495 gigapascals at 5.5 and 83 kelvin. Here, we show that the claim of metallic behavior is not supported by the presented data, which are scarce, contradictory, and do not prove the presence of hydrogen in the high-pressure cavity.
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