Computational electron–phonon superconductivity: from theoretical physics to material science

Chen, Shiya; Zheng, Feng; Zhang, Zhen; Wu, Shunqing; Ho, Kai-Ming; Antropov, Vladimir; Sun, Yang

doi:10.1088/1361-648x/ad81a3

Computational electron–phonon superconductivity: from theoretical physics to material science

Journal Article · Fri Oct 18 00:00:00 EDT 2024 · Journal of Physics. Condensed Matter

DOI:https://doi.org/10.1088/1361-648x/ad81a3· OSTI ID:2475079

Chen, Shiya ^[1]; ^[2]; ^[3]; ^[1]; Ho, Kai-Ming ^[3]; Antropov, Vladimir ^[4]; ^[1]

Xiamen Univ. (China)
Jimei Univ., Xiamen (China)
Iowa State Univ., Ames, IA (United States)
Ames Laboratory (AMES), Ames, IA (United States)

The search for room-temperature superconductors is a major challenge in modern physics. The discovery of copper-oxide superconductors in 1986 brought hope but also revealed complex mechanisms that are difficult to analyze and compute. In contrast, the traditional electron–phonon coupling (EPC) mechanism facilitated the practical realization of superconductivity (SC) in metallic hydrogen. Since 2015, the discovery of new hydrogen compounds has shown that EPC can enable room-temperature SC under high pressures, driving extensive research. Advances in computational capabilities, especially exascale computing, now allow for the exploration of millions of materials. This paper reviews newly predicted superconducting systems in 2023–2024, focusing on hydrides, boron–carbon systems, and compounds with nitrogen, carbon, and pure metals. Although many computationally predicted high-T_c superconductors were not experimentally confirmed, some low-temperature superconductors were successfully synthesized. This paper provides a review of these developments and future research directions.

View Accepted Manuscript (DOE)

Research Organization:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)

Grant/Contract Number:: AC02-07CH11358

OSTI ID:: 2475079

Report Number(s):: AL-J--645

Journal Information:: Journal of Physics. Condensed Matter, Journal Name: Journal of Physics. Condensed Matter Journal Issue: 2 Vol. 37; ISSN 0953-8984

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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