Stoichiometric Ternary Superhydride      LaBeH    8      as a New Template for High-Temperature Superconductivity at 110 K under 80 GPa

Song, Yinggang; Bi, Jingkai; Nakamoto, Yuji; Shimizu, Katsuya; Liu, Hanyu; Zou, Bo; Liu, Guangtao; Wang, Hongbo; Ma, Yanming

doi:10.1103/physrevlett.130.266001

articlePhysical Review LettersJun 27, 2023LVClosed access

Stoichiometric Ternary Superhydride LaBeH 8 as a New Template for High-Temperature Superconductivity at 110 K under 80 GPa

YSYinggang Song JBJingkai Bi YNYuji Nakamoto KSKatsuya Shimizu HLHanyu Liu

Jilin University · The University of Osaka · +2 more institutions

PubMed

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Abstract

The search for high-temperature superconducting superhydrides has recently moved into a new phase by going beyond extensively probed binary compounds and focusing on ternary ones with vastly expanded material types and configurations for property optimization. Theoretical and experimental works have revealed promising ternary compounds that superconduct at or above room temperature, but it remains a pressing challenge to synthesize stoichiometric ternary compounds with a well-resolved crystal structure that can host high-temperature superconductivity at submegabar pressures. Here, we report on the successful synthesis of ternary LaBeH_{8} obtained via compression in a diamond anvil cell under 110-130 GPa.…

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Ternary operation
Algorithm
Computer science

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