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相关论文: Superconducting Ternary Hydridies in Ca-U-H under …

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The abundant chemical compositions in ternary hydrides bring much more possibility to explore high temperature superconductors under lower pressure. Here we constructed 115 ternary hydrides on the basis of the elements substitution using 16…

超导电性 · 物理学 2024-11-19 Bangshuai Zhu , Dexi Shao , Cuiying Pei , Qi Wang , Juefei Wu , Yanpeng Qi

The search for high-temperature superconductors in hydrides under high pressure has always been a research hotspot. Hydrogen-based superconductors offer an avenue to achieve the long-sought goal of superconductivity at room temperature. We…

超导电性 · 物理学 2023-05-22 Ming Xu , Defang Duan , Wendi Zhao , Decheng An , Hao Song , Tian Cui

Compressed hydrogen-rich compounds have received extensive attention as appealing contenders for superconductors, and further challenges are maintaining the stability and superconductivity of hydrides at lower pressures. In this work, we…

超导电性 · 物理学 2023-02-22 Wendi Zhao , Defang Duan , Hao Song , Mingyang Du , Qiwen Jiang , Tiancheng Ma , Ming Xu , Tian Cui

We designed and investigated a series of ternary hydride compounds MXH$_{12}$ crystallizing in the cubic $Pm\overline{3}m$ structure as potential rare-earth and alkaline-earth superconductors. First-principles calculations were performed on…

超导电性 · 物理学 2024-08-02 Yuxiang Fan , Bin Li , Cong Zhu , Jie Cheng , Shengli Liu , Zhixiang Shi

Ternary hydrides are considered as the ideal candidates with high critical temperature (Tc) stabilized at submegabar pressure, evidenced by the recent discoveries in LaBeH8 (110 K at 80 GPa) and LaB2H8 (106 K at 90 GPa). Here, we…

超导电性 · 物理学 2024-12-02 Tingting Gu , Wenwen Cui , Jian Hao , Jingming Shi , Artur P. Durajski , Hanyu Liu , Yinwei Li

Ternary or more complex hydrogen-rich hydrides are the main hope of reaching room-temperature superconductivity at high pressures. Their chemical space is vast and its exploration is challenging. Here we report the investigation of the…

超导电性 · 物理学 2023-12-13 Grigoriy Shutov , Dmitrii Semenok , Ivan A. Kruglov , Artem R. Oganov

Hydrogen-rich ternary hydrides are promising candidates for high-Tc superconductivity at megabar pressures, yet their chemical space is vast and largely unexplored. Combining evolutionary structure searches with first-principles…

Motivated by the recent discovery of near-room temperature superconductivity in high-pressure superhydrides, we investigate from first-principles the high-pressure superconducting phase diagram of the ternary Ca-B-H system, using ab-initio…

超导电性 · 物理学 2020-08-26 Simone Di Cataldo , Wolfgang von der Linden , Lilia Boeri

Ternary hydrides have emerged as the primary focus of the new wave of research into superconducting hydrides. In this work, Mg-Ti-H ternary hydrides are explored under high pressures up to 300 GPa using the prediction method of the particle…

材料科学 · 物理学 2026-02-10 Pan Min , Wang Yujie , Hu Kaige , Deng Huiqiu

The study of superconductivity in compressed hydrides is of great interest due to measurements of high critical temperatures (Tc) in the vicinity of room temperature, beginning with the observations of LaH10 at 170-190 GPa. However, the…

The compressed hydrogen-rich compounds have received extensive attention as promising candidates for room temperature superconductivity, however, the high pressure required to stabilize such materials hinders their wide practical…

超导电性 · 物理学 2023-11-14 Wendi Zhao , Defang Duan , Decheng An , Qiwen Jiang , Zhengtao Liu , Tiancheng Ma , Zihao Huo , Jianhui Du , Tian Cui

Motivated by recent discovery of yttrium-based high-temperature ternary superconducting hydrides (e.g., CaYH$_{12}$, LaYH$_{12}$, and ScYH$_{6}$), we have employed evolutionary algorithm and first-principles calculations to comprehensively…

It has been a hot issue to search for hydrides at high pressure with high superconducting transition temperature (Tc). In this work, ternary hydrogen-rich compounds KYHn (n = 1-16) were studied and calculated using the density function…

超导电性 · 物理学 2021-10-27 LingYan Chen

Hydrogen-rich hydrides attract great attention due to recent theoretical (1) and then experimental discovery of record high-temperature superconductivity in H3S (Tc = 203 K at 155 GPa (2)). Here we search for stable uranium hydrides at…

The discovery of high-temperature superconductivity above 240 K in binary La-H and Y-H systems inspired further predictions of even higher transition temperatures in compounds such as YH10 and MgH6, which are likely to be dynamically…

Over the past decade, a combination of crystal structure prediction techniques and experimental synthetic work has thoroughly explored the phase diagrams of binary hydrides under pressure. The fruitfulness of this dual approach is…

超导电性 · 物理学 2022-02-21 Katerina P. Hilleke , Eva Zurek

Lanthanum, yttrium, and cerium hydrides are the three most well-known superconducting binary hydrides (La-H, Y-H, and Ce-H systems), which have gained great attention in both theoretical and experimental studies. Recent studies have shown…

超导电性 · 物理学 2022-11-15 Peng Song , Zhufeng Hou , Kousuke Nakano , Kenta Hongo , Ryo Maezono

Hydrogen-rich superhydrides are promising high-Tc superconductors, with superconductivity experimentally observed near room temperature, as shown in recently discovered lanthanide superhydrides at very high pressures, e.g. LaH10 at 170 GPa…

Evolutionary structure searches revealed a plethora of stable and low-enthalpy metastable phases in the S-P-H ternary phase diagram under pressure. A wide variety of crystalline structure types were uncovered ranging from those possessing…

超导电性 · 物理学 2022-05-04 Nisha Geng , Tiange Bi , Eva Zurek

Lanthanum hydrides, containing hydrogen framework structures under compression, display a superconducting state with a high observed critical temperature. However, this phenomenon has so far only been observed at very high pressures. Here,…

超导电性 · 物理学 2023-06-16 Hao Song , Zihan Zhang , Tian Cui2 , Chris J. Pickard , Vladimir Z. Kresin , Defang Duan
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