Affiliation:
1. Institute of High Pressure Physics, School of Physical Science and Technology, Ningbo University , Ningbo 315211 , China
2. State Key Laboratory of Superhard Materials, College of Physics, Jilin University , Changchun 130012 , China
Abstract
Abstract
Since the discovery of high-temperature superconductors H3S and LaH10 under high pressure, compressed hydrides have received extensive attention as promising candidates for room temperature superconductors. As the results of current high-pressure theoretical and experiments studies, almost all the binary hydrides with high superconducting transition temperature (Tc) require extremely high pressure to remain stable, hindering any practical applications. In order to further lower the stable pressure and improve the superconductivity, researchers started exploring ternary hydrides and have made many achievements in recent years. Here, we discuss recent progress in ternary hydrides, aiming to deepen the understanding of the key factors regulating the structural stability and superconductivity of ternary hydrides, such as structural motifs, bonding features, electronic structure, electron-phonon coupling etc. Furthermore, the current issues and challenges of superconducting ternary hydrides are presented, together with the prospects and opportunities for future research.
Publisher
Oxford University Press (OUP)
Cited by
8 articles.
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