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We report the doping-induced antiferromagnetic state and Fermi liquid state that are connected by a superconducting region in a series of CeIrIn$_{5-x}$Hg$_x$, CeIrIn$_{5-x}$Sn$_x$ and CeIr$_{1-x}$Pt$_x$In$_5$ single crystals. Measurements…

Strongly Correlated Electrons · Physics 2014-01-07 T. Shang , R. E. Baumbach , K. Gofryk , F. Ronning , Z. F. Weng , J. L. Zhang , X. Lu , E. D. Bauer , J. D. Thompson , H. Q. Yuan

We present a comprehensive investigation of the flat-band kagome superconductor LaRu$_3$Si$_2$, which has recently been reported to host charge density wave (CDW) order above room temperature ($T_{CDW} \simeq 400$ K). The stable crystal…

The experimental determination of the superconducting transition requires the observation of the emergence of zero-resistance and perfect diamagnetism state. Based on the close relationship between superconducting transition temperature…

Superconductivity · Physics 2021-07-07 Sheng-Hai Zhu , Han Qin , Mi Zhong , Dai-He Fan , Xiang-Hui Chang , Yun Wei , Miao Zhang , Tao Zhu , Bin Tang , Fu-Sheng Liu , Qi-Jun Liu

Applying pressure around megabar is indispensable in the synthesis of high-temperature superconducting hydrides, such as SH$_3$ and LaH$_{10}$. Stabilizing the high-pressure phase of hydride around ambient condition is a severe challenge.…

Superconductivity · Physics 2023-05-17 Miao Gao , Peng-Jie Guo , Huan-Cheng Yang , Xun-Wang Yan , Fengjie Ma , Zhong-Yi Lu , Tao Xiang , Hai-Qing Lin

Metallic hydrogen, existing in remarkably extreme environments, was predicted to exhibit long-sought room-temperature superconductivity. Although the superconductivity of metallic hydrogen has not been confirmed experimentally,…

Superconductivity · Physics 2024-06-12 Zihan Zhang , Wendi Zhao , Defang Duan , Tian Cui

Recently, there is a series of reports by Wang et al. on the superconductivity in K-doped p-terphenyl (KxC18H14) with the transition temperatures range from 7 to 123 Kelvin. Identifying the structural and bonding character is the key to…

Superconductivity · Physics 2018-05-24 Guo-Hua Zhong , Xiao-Hui Wang , Ren-Shu Wang , Jia-Xing Han , Chao Zhang , Xiao-Jia Chen , Hai-Qing Lin

High-temperature superconductivity (HTSC) remains one of the most challenging and fascinating mysteries in condensed matter physics. Recently, superconductivity with transition temperature exceeding liquid-nitrogen temperature is discovered…

Recently, Lee et al. reported the experimental discovery of room-temperature ambient-pressure superconductivity in a Cu-doped lead-apatite (LK-99) (arXiv:2307.12008, arXiv:2307.12037). Remarkably, the superconductivity persists up to 400 K…

Materials Science · Physics 2023-08-07 Junwen Lai , Jiangxu Li , Peitao Liu , Yan Sun , Xing-Qiu Chen

We discuss the high-temperature superconductivity in copper oxide ceramics. We propose an effective Hamiltonian to describe the dynamics of electrons or holes injected into the copper oxide layers. We show that our approach is able to…

Superconductivity · Physics 2012-11-08 Paolo Cea

We used our developed AI search engine~(InvDesFlow) to perform extensive investigations regarding ambient stable superconducting hydrides. A cubic structure Li$_2$AuH$_6$ with Au-H octahedral motifs is identified to be a candidate. After…

Superconductivity · Physics 2025-05-15 Zhenfeng Ouyang , Bo-Wen Yao , Xiao-Qi Han , Peng-Jie Guo , Ze-Feng Gao , Zhong-Yi Lu

Recently room temperature superconductivity with Tc=15 degrees Celsius has been discovered in a pressurized complex ternary hydride, CSHx, which is a carbon doped H3S alloy. The nanoscale structure of H3S is a particular realization of the…

Superconductivity · Physics 2021-05-28 M. V. Mazziotti , T. Jarlborg , A. Bianconi , A. Valletta

Superconductors have the potential to revolutionize technology due to their ability to have zero electrical resistance. However, superconductor materials require either low temperatures or high pressures to function in a superconductive…

Superconductivity · Physics 2021-10-29 Ekram M Towsif

Compressed hydrides are promising candidates for high-temperature superconductivity, yet achieving simultaneous structural stability and high-Tc at low pressures remains challenging. Here, we introduce a new mechanism for accomplishing this…

Superconductivity · Physics 2026-02-17 Wendi Zhao , Shumin Guo , Chengda Li , Abhiyan Pandit , Tian Cui , Defang Duan , Maosheng Miao

Research on high-temperature superconductors has primarily focused on hydrogen-rich compounds, however, the need for extreme pressures limits their practical applications. The X2MH6-type structure Mg2IrH6 stands out because it exhibits…

Superconductivity · Physics 2025-04-01 Jing Luo , Qun Wei , Xiaofei Jia , Meiguang Zhang , Xuanmin Zhu

We report the effect of Pt doping on the superconductivity in CuRh2Se4 spinel using a combined experimental and theoretical study. Our XRD results reveal that the Cu(Rh1-xPtx)2Se4 crystallizes in the structure with a space group of Fd3-m…

Superconductivity · Physics 2022-03-14 Yiyi He , Yi-Xin You , Lingyong Zeng , Shu Guo , Huawei Zhou , Kuan Li , Yanhao Huang , Peifeng Yu , Chao Zhang , Chao Cao , Huixia Luo

The measurement of superconductivity at above 200K in compressed samples of hydrogen sulfide and lanthanum hydride at 250K is reinvigorating the search for conventional high temperature superconductors. At the same time it exposes a…

Superconductivity · Physics 2019-10-02 Chris J. Pickard , Ion Errea , Mikhail I. Eremets

High-temperature unconventional superconductivity quite generically emerges from doping a strongly correlated parent compound, often (close to) an antiferromagnetic insulator. The recently developed dynamical vertex approximation is a…

Superconductivity · Physics 2024-06-04 Simone Di Cataldo , Paul Worm , Jan Tomczak , Liang Si , Karsten Held

Understanding the normal state transport properties in hole-doped high-temperature cuprate superconductors (HTCSs) is a challenging task which has been widely believed to be one of the key steps toward revealing the pairing mechanism of…

Superconductivity · Physics 2011-12-01 Tatsuya Honma , Pei-Herng Hor

The discovery of high critical temperature T_{c} superconductivity in highly compressed H_{3}S has opened up the question of searching for strong electron-phonon coupling in the hydrides outside the transition metal series. The specific…

Superconductivity · Physics 2019-08-08 P. -H. Chang , S. Silayi , D. A. Papaconstantopoulos , M. J. Mehl

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…

Superconductivity · Physics 2022-02-21 Katerina P. Hilleke , Eva Zurek
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