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| 1 | Ternary superconducting cophosphorus hydrides stabilized via lithium显示文摘Inspired by the diverse properties of sulfur hydrides and phosphorus hydrides,we combine first-principles calculations with structure prediction to search for stable structures of Li−P−H ternary compounds at high pressures with the aim of finding novel superconductors.It is found that phosphorus hydrides can be stabilized under pressure via additional doped lithium. | Ziji Shao Defang Duan Yanbin Ma Hongyu Yu Hao Song Hui Xie Da Li Fubo Tian Bingbing Liu Tian Cui | 2019 | npj Computational Materials2019，，1： | 1 |
| 2 | Room-Temperature Superconductivity in Yb/Lu Substituted Clathrate Hexahydrides under Moderate Pressure显示文摘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 compounds under high pressures has gradually made that dream become a reality.But the extreme high pressure required for stabilization of hydrogen-based superconductors limit their applications.So,the next challenge is to achieve room-temperature superconductivity at significantly low pressures,even ambient pressure.In this work,we design a series of high temperature superconductors that can be stable at moderate pressures by incorporating heavy rare earth elements Yb/Lu into sodalite-like clathrate hexahydrides.In particular,the critical temperatures(T_(c))of Y_(3)LuH_(24),YLuH_(12),and YLu_(3)H_(24)can reach 283 K at 120 GPa,275 K at 140 GPa,and 288 K at 110 GPa,respectively.Their critical temperatures are close to or have reached room temperature,and minimum stable pressures are significantly lower than that of reported room temperature superconductors.Our work provides an effective method for the rational design of low-pressure stabilized hydrogen-based superconductors with room-temperature superconductivity simultaneously and will stimulate further experimental exploration. | Mingyang Du Hao Song Zihan Zhang Defang Duan Tian Cui | 2022 | Research2022，，4： | 1 |
| 3 | 高压下氢基高温超导体研究的新进展显示文摘富氢材料被认为是室温超导体的最佳候选体系,是物理学、材料科学等多学科的热点研究领域之一。理论和实验研究发现的新型共价氢化物H3S和笼状氢化物LaH10的超导转变温度(T_(c))均超过200 K,进一步推动了对富氢化合物超导电性的探索。最近,通过高压实验合成的碳质硫氢化物在288 K的室温下实现了零电阻,让人们看到了室温超导的曙光。本文结合课题组在此领域的主要成果,介绍了3类典型富氢化合物的结构及超导特性,包括近期首次在层状氢化物中发现的具有类五角石墨烯结构的富氢超导体HfH_(10),其超导转变温度高达213~234 K。 | 赵文迪 段德芳 崔田 | 2021 | 高压物理学报2021，35，2： | 0 |
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