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Related papers: Hot Hydride Superconductivity above 550 K

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Intuitively, doping represents one of the most promising avenues for optimization of best prospect superconductors (SC) such as conventional high-pressure SCs with record critical temperatures. However, doping at high pressure (HP) is very…

Pressure as a clean and efficient tool can bring about unexpected extraordinary physical and chemical properties of matters. The recent discoveries of superconductivity at nearly room temperature in hydrides highlight the power of pressure…

Superconductivity · Physics 2022-08-22 Di Peng , Ren-Shu Wang , Li-Na Zong , Xiao-Jia Chen

Recent experimental developments in hydrogen-rich materials in high pressures have put this class of materials above others in the race toward room temperature superconductivity. As it is the basis of all the materials in this class, the…

Superconductivity · Physics 2022-02-03 Mehmet Dogan , Sehoon Oh , Marvin L. Cohen

Pressurized hydrogen-rich compounds, which could be viewed as precompressed metallic hydrogen, exhibit high superconductivity, thereby providing a viable route toward the discovery of high-temperature superconductors. Of particular interest…

Superconductivity · Physics 2021-11-12 Hongyi Guan , Ying Sun , Hanyu Liu

Noble metals adopt close-packed structures at ambient pressure and rarely undergo structural transformation at high pressures. Platinum (Pt), in particular, is normally considered to be unreactive and is therefore not expected to form…

Superconductivity · Physics 2015-03-19 Duck Young Kim , Ralph H. Scheicher , Chris J. Pickard , R. J. Needs , R. Ahuja

While hydrogen-rich materials have been demonstrated to exhibit high T$_c$ superconductivity at high pressures, there is an ongoing search for ternary and quaternary hydrides that achieve such high critical temperatures at much lower…

Superconductivity · Physics 2024-07-25 Adam Denchfield , Hyowon Park , Russell J Hemley

The era of near-room-temperature superconductivity started after experimental discovery by Drozdov et al (2015 Nature 525 73) who found that compressed H3S exhibits superconducting transition at Tc = 203 K. To date, the record…

Superconductivity · Physics 2019-08-30 Evgueni F. Talantsev

To raise the superconducting-transition temperature (Tc) has been the driving force for the long, sustained effort in superconductivity research. Recent progress in hydrides with Tcs up to 287 K under 267 GPa has heralded a new era of…

We present a new technique for measuring the critical temperature Tc in the high pressure, high Tc electron-phonon-driven superconducting hydrides. This technique does not require connecting leads to the sample. In the multiphonon region of…

Superconductivity · Physics 2018-08-01 J. P. Carbotte , E. J. Nicol , T. Timusk

Metal superhydrides, known for their high hydrogen content and polyhedral hydrogen cages, are promising candidates for high-temperature superconductivity. Recent research has emphasized "chemical pre-compression," enabling hydrogen…

Superconductivity · Physics 2025-03-06 Yuanhui Sun , Maosheng Miao

The extreme pressures required to stabilize the recently discovered superhydrides represent a major obstacle to their practical application. In this paper, we propose a novel route to attain high-temperature superconductivity in hydrides at…

Superconductivity · Physics 2023-02-15 Simone Di Cataldo , Lilia Boeri

Motivated by the ambiguous experimental data for the superconducting phase in silane (SiH$_{4}$), which may originate from the platinum hydride (PtH), we provide a theoretical study of the superconducting state in the latter alloy. The…

Superconductivity · Physics 2015-04-07 D. Szczȩśniak , T. P. Zemła

The recent discovery of a class of sodalite-like clathrate superhydrides (e.g., YH6, YH9, ThH9, ThH10, and LaH10) at extreme pressures, which exhibit commonly a high-temperature superconductivity with the highest Tc approaching 260 K for…

Chemical Physics · Physics 2020-02-25 Liang Ma , Guangtao Liu , Yingying Wang , Mi Zhou , Hanyu Liu , Feng Peng , Hongbo Wang , Yanming Ma

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…

We survey the landscape of binary hydrides across the entire periodic table from 10 to 500 GPa using a crystal structure prediction method. Building a critical temperature ($T_c$) model, with inputs arising from density of states…

Superconductivity · Physics 2021-08-11 Alice M. Shipley , Michael J. Hutcheon , Richard J. Needs , Chris J. Pickard

Niobium polyhydride was synthesized at high pressure and high temperature conditions by using diamond anvil cell combined with in situ high pressure laser heating techniques. High pressure electric transport experiments demonstrate that…

This article updates version 1 by restricting consideration to only the resistive data and excluding the questioned 287.7-K datum reported for carbonaceous sulfur hydride in Snider et al., Nature $\textbf{585}$, 373 (2020). The…

Superconductivity · Physics 2023-07-18 Dale R. Harshman , Anthony T. Fiory

Layered transition-metal tellurides have attracted considerable attention because of their rich physics; for example, tungsten ditelluride WTe2 exhibits extremely large magnetoresistance; the tritelluride ZrTe3 shows a charge density wave…

In the search for high-temperature superconductivity in hydrides, a plethora of multi-hydrogen superconductors have been theoretically predicted, and some have been synthesized experimentally under ultrahigh pressures of several hundred…

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