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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

We investigate superconducting systems with the use of the phenomenological Landau's theory of second order phase transitions, including into the considerations the critical behaviour of the chemical potential. We derive in this way a…

Superconductivity · Physics 2015-06-24 B. Grabiec , M. Matlak

Over the past six years, superconductivity at high temperatures has been reported in a variety of hydrogen-rich compounds under high pressure. That high-temperature superconductivity should exist in these materials is expected according to…

Superconductivity · Physics 2021-04-14 J. E. Hirsch , F. Marsiglio

The paper determines the thermodynamic parameters of the superconducting state in the metallic atomic hydrogen under the pressure at $1$ TPa, $1.5$ TPa, and $2.5$ TPa. The calculations were conducted in the framework of the Eliashberg…

Superconductivity · Physics 2016-07-20 A. M. Duda , R. Szczęśniak , M. A. Sowińska , A. H. Kosiacka

The pursuit of room-temperature superconductors has recently advanced with the discovery of high-temperature superconductivity in compressed hydrides, although sustaining the superconductivity of hydrides at ambient pressure remains…

Superconductivity · Physics 2025-01-28 Ying Sun , Li Zhu

The uniquely characteristic macrostructures of binary hydrogen-clathrate compounds $M$H$_\textrm{n}$ formed at high pressure, a cage of hydrogens surrounding a central-atom host, is theoretically predicted in various studies to include…

Superconductivity · Physics 2020-06-22 Dale R. Harshman , Anthony T. Fiory

The discovery of superconductivity in $\mathrm{YH_{9}}$ with a critical temperature of approximately $T_c\sim 243 \ K$ has opened a new window toward room temperature superconductivity. In this work, we employ the lowest order constrained…

Superconductivity · Physics 2025-10-14 M. A. Rastkhadiv

High-temperature superconductivity occurs in strongly correlated materials such as copper oxides and iron-based superconductors. Numerous experimental and theoretical works have been done to identify the key parameters that induce…

Superconductivity · Physics 2023-05-02 Kota Ido , Yuichi Motoyama , Kazuyoshi Yoshimi , Takahiro Misawa

It is shown that one can obtain quantitatively accurate values for the superconducting critical temperature within a Hamiltonian framework. This is possible if one uses a renormalized Hamiltonian that contains an attractive…

Superconductivity · Physics 2009-10-30 Andreas Mielke

The recently synthesized hydrogen boride monolayer in the Cmmm phase is a promising super-conductor due to its similarity to MgB2 and the large hydrogen content in its structure. Making use of first-principles calculations based on density…

Superconductivity · Physics 2022-12-21 Antonella Meninno , Ion Errea

Searching for superconductivity with Tc near room temperature is of great interest both for fundamental science & many potential applications. Here we report the experimental discovery of superconductivity with maximum critical temperature…

It is very important to elucidate the mechanism of superconductivity for achieving room temperature superconductivity. This paper is a short review article on the mechanism of high-temperature superconductivity. In the first half of this…

Strongly Correlated Electrons · Physics 2019-07-05 Takashi Yanagisawa

We present materials informatics approach to search for superconducting hydrogen compounds, which is based on a genetic algorithm and a genetic programming. This method consists of four stages: (i) search for stable crystal structures of…

Superconductivity · Physics 2019-11-13 Takahiro Ishikawa , Takashi Miyake , Katsuya Shimizu

We investigate how the strong coupling of a superconductor to thermal bosons can enhance its superconducting critical temperature. To tackle this problem, we use a renormalization group approach that allows us to describe the competition…

Mesoscale and Nanoscale Physics · Physics 2026-03-10 Ekaterina Vlasiuk , Manfred Salmhofer , Eugene Demler , Richard Schmidt

The discovery of novel high-temperature superconductor materials holds transformative potential for a wide array of technological applications. However, the combinatorially vast chemical and configurational search space poses a significant…

Superconductivity · Physics 2025-02-25 Xiaoyang Wang , Chengqian Zhang , Zhenyu Wang , Hanyu Liu , Jian Lv , Han Wang , Weinan E , Yanming Ma

The mechanism of superconductivity caused by the electron-vibrational centres and their inherent oscillations in crystals and solid-state structures near room temperature and at higher temperatures - hyperconductivity is discussed and…

Superconductivity · Physics 2007-05-23 V. A. Vdovenkov

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…

Searching for superconducting hydrides has so far largely focused on finding materials exhibiting the highest possible critical temperatures ($T_c$). This has led to a bias towards materials stabilised at very high pressures, which…

Superconductivity · Physics 2020-04-29 Michael J. Hutcheon , Alice M. Shipley , Richard J. Needs

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.…

At present, metal hydrides are considered highly promising materials for phonon-mediated superconductors, that exhibit high values of the critical temperature. In the present study, the superconducting properties of the compressed selenium…

Superconductivity · Physics 2021-02-24 Ewa A. Drzazga-Szczȩśniak , Adam Z. Kaczmarek