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A key challenge in materials discovery is to find high-temperature superconductors. Hydrogen and hydride materials have long been considered promising materials displaying conventional phonon-mediated superconductivity. However, the high…

Organic superconductors are unique materials with a crystal structure made primarily of a complex carbon based network, an element associated directly with life, which were postulated to have a high critical temperature, $T_{C}$, even above…

We employed a machine-learning assisted approach to search for superconducting hydrides under ambient pressure within an extensive dataset comprising over 150 000 compounds. Our investigation yielded around 50 systems with transition…

Superconductivity · Physics 2024-03-21 Tiago F. T. Cerqueira , Yue-Wen Fang , Ion Errea , Antonio Sanna , Miguel A. L. Marques

After the decade-long exhaustive study of binary high-Tc superconducting hydrides, the frontier of this stimulating research field has recently shifted to ternary hydrides with much expanded conformational space in search of coveted…

Superconductivity · Physics 2024-12-19 Tiancheng Ma , Decheng An , Zihan Zhang , Shuting Wu , Tian Cui , Defang Duan

Room temperature superconductivity is a dream that mankind has been chasing for a century. In recent years, the synthesis of H3S, LaH10 and C-S-H system has gradually made this dream a reality. But the extreme pressures required for the…

Superconductivity · Physics 2022-04-26 Mingyang Du , Hao Song , Zihan Zhang , Defang Duan , Tian Cui

Hydrogen-based superconductors provide a route to the long-sought goal of room-temperature superconductivity, but the high pressures required to metallize these materials limit their immediate application. For example, carbonaceous sulfur…

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…

Superconductivity · Physics 2024-08-02 Yuxiang Fan , Bin Li , Cong Zhu , Jie Cheng , Shengli Liu , Zhixiang Shi

Hydrogen in metals is a significant research area with far-reaching implications, encompassing diverse fields such as hydrogen storage, metal-insulator transitions, and the recently emerging phenomenon of room-temperature ($\textit{$T_C$}$)…

Superconductivity · Physics 2023-11-30 Heejung Kim , Ina Park , J. H. Shim , D. Y. Kim

Room-temperature superconductivity has been one of the most challenging subjects in modern physics. Recent experiments reported that lanthanum hydride LaH$_{10{\pm}x}$ ($x$$<$1) raises a superconducting transition temperature $T_{\rm c}$ up…

Superconductivity · Physics 2019-04-10 Liangliang Liu , Chongze Wang , Seho Yi , Kun Woo Kim , Jaeyong Kim , Jun-Hyung Cho

The binary polyhydrides of heavy rare earth lutetium that shares a similar valence electron configuration to lanthanum have been experimentally discovered to be superconductive. The lutetium polyhydrides were successfully synthesized at…

Achieving superconductivity at room temperature (RT) is a holy grail in physics. Recent discoveries on high-Tc superconductivity in binary hydrides H3S and LaH10 at high pressure have directed the search for RT superconductors to compress…

Superconductivity · Physics 2024-07-30 Qiwen Jiang , Defang Duan , Hao Song , Zihan Zhang , Zihao Huo , Shuqing Jiang , Tian Cui , Yansun Yao

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…

In the last decade, there has been great progress in predicting and synthesizing polyhydrides that exhibit superconductivity when squeezed. Dopants allow these compounds to become metals at pressures lower than those required to metallize…

Materials Science · Physics 2024-05-21 Xiaoyu Wang , Nisha Geng , Kyla de Villa , Burkard Militzer , Eva Zurek

Clathrate hydride \emph{Fm}\={3}\emph{m}-LaH$_{10}$ has been proven as the most extraordinary superconductor with the critical temperature $T_c$ above 250 K upon compression of hundreds of GPa in recent years. A general hope is to reduce…

Recently superconductivity has been discovered at around 200~K in a hydrogen sulfide system and around 260~K in a lanthanum hydride system, both under pressures of about 200 GPa. These record-breaking transition temperatures bring within…

Superconductivity · Physics 2020-07-15 Sabri Elatresh , T. Timusk , E. J. Nicol

Recent discoveries involving high-temperature superconductivity in H3S and LaH10 have sparked a renewed interest in exploring the potential for superconductivity within hydrides. These superconductors require extremely high-pressure…

Superconductivity · Physics 2024-12-13 Mohammad Amin Rastkhadiv , Meysam Pazoki

Experimental discovery of near-room-temperature superconductivity in highly compressed hydrogen sulfate started a new era in superconductivity. To date, researchers have made the discovery of dozens of superconducting hydride phases with…

Superconductivity · Physics 2024-01-04 E. F. Talantsev

The recent discovery of H3S and LaH10 superconductors with record high superconducting transition temperatures, Tc, at high pressure, has fueled the search for room-temperature superconductivity in the compressed superhydrides. Here we…

For half a century after the discovery of superconductivity, materials exploration for better superconductors proceeded without knowledge of the underlying mechanism. The 1957 BCS theory cleared that up: the superconducting state occurs due…

Superconductivity · Physics 2023-04-19 Warren E. Pickett

High-pressure metal superhydrides have attracted intense scientific interest due to their remarkable superconducting properties. While superconductivity is known to be sensitive to material composition, compositional variability is often…

Superconductivity · Physics 2025-04-04 Xixi Jia , Haoran Chen , Xiaoqiu Ye , Jian Lv , Xitian Zhang , Hui Wang , Yansun Yao