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Related papers: From LaH10 to room-temperature superconductors

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Superconductivity is observed with critical temperatures near 9K in the tetragonal compound Mo5PB2. This material adopts the Cr5B3 structure type common to supercondcuting Nb5Si3-xBx, Mo5SiB2, and W5SiB2, which have critical temperatures of…

Superconductivity · Physics 2016-03-10 Michael A. McGuire , David S. Parker

The high critical temperature phase of lanthanum hydrides deserves special attention because this phase displays the highest observed critical temperature. We focus on the evaluation of the critical temperature, isotope coefficient, and…

Superconductivity · Physics 2020-07-28 Hao Song , Defang Duan , Tian Cui , Vladimir Kresin

A superconducting state, that induces in ${\rm GeH_{4}}$ under the pressure at 20 GPa, is being characterized by a high critical temperature $T_{C}\in<54.54,31.23>$ K, for a wide range of the Coulomb pseudopotential…

Superconductivity · Physics 2016-08-14 R. Szczęśniak , A. P. Durajski , D. Szczęśniak

In the framework of strong-coupling formalism, we have calculated the thermodynamic parameters of superconducting state in the ${\rm YB_{6}}$ compound. The values of critical temperature ($T_{C}$) are $9.5$~K and $7.9$~K for the Coulomb…

Superconductivity · Physics 2018-08-15 A. M. Bujak , K. A. Szewczyk , M. Kostrzewa , K. M. Szczȩśniak , M. A. Sowińska

Room-temperature superconductivity has been a long-standing goal for scientific progress and human development. Thermodynamic stability is a prerequisite for material synthesis and application. Here, we perform a combination of…

Superconductivity · Physics 2025-01-03 Decheng An , Defang Duan , Zihan Zhang , Qiwen Jiang , Hao Song , Tian Cui

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

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

We report the temperature dependence of the upper critical fields $\mu_0H_{c2}(T)$ of the high temperature superconductor H$_3$S under applied pressures of 155 and 160 GPa through the electrical resistance transition observed under DC and…

To veryfy "hot supreconductivity" recently proposed in lanthanum hydride-based compounds, we explored thermodynamically stable and superconducting phases in the lanthanum (La)-platinum (Pt)-hydrogen (H) ternary system at 20 GPa using an…

Superconductivity · Physics 2025-02-12 T. Ishikawa , Y. Tanaka , S. Tsuneyuki

In the paper, the thermodynamic properties of the CaLi$_2$ superconductor have been studied. It has been assumed the high value of the pressure: $p=100$ GPa. The thermodynamic critical field ($H_{C}$) and the specific heats for the…

Superconductivity · Physics 2016-08-14 R. Szczęśniak , A. P. Durajski , P. W. Pach

The discovery of LaSc$_{2}$H$_{24}$ represents a milestone in the quest for room-temperature superconductivity, yet the microscopic mechanism underlying its superior performance remains unclear. Through a comprehensive revisit of…

Superconductivity · Physics 2026-01-06 Zefang Wang , Wenbo Zhao , Yuan Ma , Hanyu Liu , Yanming Ma

The compression of SH$_2$ and its subsequent decomposition to SH$_3$, presumably in a cubic Im$\overline{3}$m structure, has lead to the discovery of conventional superconductivity with the highest measured and confirmed $T_c$ to date, 203…

Materials Science · Physics 2019-02-20 Maximilian Amsler

High critical temperature (T$_c$) superconductor has a great potential in many industrial applications. However, discovering a compound having high T$_c$ is still remaining a big challenge for experimental approach due to time-consuming and…

Superconductivity · Physics 2024-11-26 Gewinner Senderanto Sinaga , Keishu Utimula , Kousuke Nakano , Kenta Hongo , Ryo Maezono

We studied the partial substitution of Ag in the noncentrosymetric superconducting compounds Li$_2$Pd$_{3-x}$Ag$_x$B with x=0.0, 0.1 and 0.3. Magnetization, resistivity and specific heat measurements were performed in this system. From…

Superconductivity · Physics 2021-09-09 A. A. Castro , O. Olicón , F. Morales , R. Escudero

Following the discovery of high-temperature superconductivity in the La-H system, where for the recently discovered fcc-LaH10 a record critical temperature Tc = 250 K was achieved [Drozdov et al., Nature, 569, 528 (2019) and Somayazulu et…

The maximum critical temperature for superconductivity in pressurized hydrides appears at the top of superconducting domes in Tc versus pressure curves at a particular pressure, which is not predicted by standard superconductivity theories.…

Present study provides a comprehensive theoretical analysis of the superconducting phase in selected lithium-decorated bilayer graphene nanostructures. The numerical calculations, conducted within the Eliashberg formalism, give quantitative…

Superconductivity · Physics 2015-09-02 D. Szczȩśniak

The discovery of high-temperature superconductivity in hydrogen-rich compounds under extreme pressures has prompted great excitement, intense research, but also debate over the past decade. Electrical transport has been the primary…

The thermodynamic parameters of the superconducting state in calcium under the pressure at 161 GPa have been calculated within the framework of the Eliashberg approach. It has been shown that the value of the Coulomb pseudopotential is high…

Superconductivity · Physics 2012-07-03 R. Szczȩśniak , D. Szczȩśniak

The intermetallic compound, YRhAl, has been prepared and is found to be isomorphic with RRhAl (R=Pr, Nd, Gd, Ho and Tm) compounds crystallizing in the orthorhombic TiNiSi-type structure (Space group Pnma). Heat capacity and electrical…

Superconductivity · Physics 2009-11-10 Darshan C. Kundaliya , S. K. Malik
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