In:
Acta Physica Sinica, Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences, Vol. 70, No. 1 ( 2021), p. 017407-
Kurzfassung:
In recent years, hydrogen-rich compounds under extremely high pressure have become the hot target materials for high-temperature superconductors. At present, two landmark progresses have been made in this field. Covalent H〈sub〉3〈/sub〉S hydrogen-rich superconductors (〈i〉T〈/i〉〈sub〉c〈/sub〉 = 200 K) and ionic hydrogen-rich superconductors with hydrogen-cage structure, such as LaH〈sub〉10〈/sub〉 (〈i〉T〈/i〉〈sub〉c〈/sub〉 = 260 K, –13 ℃), YH〈sub〉6〈/sub〉 and YH〈sub〉9〈/sub〉, have been successively synthesized, setting a new record of superconducting temperature. These studies have given rise to the hope of discovering room-temperature superconductors in hydrogen-rich compounds under high pressure. This paper focuses on the progress of hydrogen-rich superconductors with high critical temperature under high pressure, discusses the physical mechanism of high-temperature superconductivity in hydrogen-rich compounds, provide an outlook on the possibility of discovering room-temperature superconductors in hydrogen-rich compounds in the future, and offer the candidate system for high superconductivity in multiple hydrogen-rich compounds.
Materialart:
Online-Ressource
ISSN:
1000-3290
,
1000-3290
DOI:
10.7498/aps.70.20202189
Sprache:
Unbekannt
Verlag:
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Publikationsdatum:
2021