Pressure-Induced Superconductivity and Topological Quantum Phase Transitions in the Topological Semimetal ZrTe2

被引：14

作者：

Zhu, Shihao ^{[1
]}

Wu, Juefei ^{[1
]}

Zhu, Peng ^{[2
,3
,4
]}

Pei, Cuiying ^{[1
]}

Wang, Qi ^{[1
,5
]}

Jia, Donghan ^{[6
]}

Wang, Xinyu ^{[6
]}

Zhao, Yi ^{[1
]}

Gao, Lingling

Li, Changhua ^{[1
]}

Cao, Weizheng ^{[1
]}

Zhang, Mingxin ^{[1
]}

Zhang, Lili ^{[7
]}

Li, Mingtao ^{[6
]}

Gou, Huiyang ^{[6
]}

Yang, Wenge ^{[6
]}

Sun, Jian ^{[8
,9
]}

Chen, Yulin ^{[1
,5
,10
]}

Wang, Zhiwei ^{[2
,3
,4
]}

Yao, Yugui ^{[3
]}

Qi, Yanpeng ^{[1
,5
,11
]}

机构：

[1] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China

[2] Beijing Inst Technol, Ctr Quantum Phys, Sch Phys, Key Lab Adv Optoelect Quantum Architecture & Measu, Beijing 100081, Peoples R China

[3] Beijing Inst Technol, Beijing Key Lab Nanophoton & Ultrafine Optoelect S, Beijing 100081, Peoples R China

[4] Yangtze Delta Reg Acad, Beijing Inst Technol, Mat Sci Ctr, Jiaxing 314011, Peoples R China

[5] ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai 201210, Peoples R China

[6] Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China

[7] Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai Synchrotron Radiat Facil, Shanghai 201203, Peoples R China

[8] Nanjing Univ, Sch Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[9] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China

[10] Univ Oxford, Dept Phys, Clarendon Lab, Parks Rd, Oxford OX1 3PU, England

[11] ShanghaiTech Univ, Shanghai Key Lab High resolut Electron Microscopy, Shanghai 201210, Peoples R China

来源：

ADVANCED SCIENCE | 2023年 / 10卷 / 35期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

high pressure; superconductivity; topological materials; transition metal dichalcogenides; ISING SUPERCONDUCTIVITY; EVOLUTION; CATALOG;

D O I：

10.1002/advs.202301332

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Topological transition metal dichalcogenides (TMDCs) have attracted much attention due to their potential applications in spintronics and quantum computations. In this work, the structural and electronic properties of topological TMDCs candidate ZrTe2 are systematically investigated under high pressure. A pressure-induced Lifshitz transition is evidenced by the change of charge carrier type as well as the Fermi surface. Superconductivity is observed at around 8.3 GPa without structural phase transition. A typical dome-shape phase diagram is obtained with the maximum T-c of 5.6 K for ZrTe2. Furthermore, the theoretical calculations suggest the presence of multiple pressure-induced topological quantum phase transitions, which coexists with emergence of superconductivity. The results demonstrate that ZrTe2 with nontrivial topology of electronic states displays new ground states upon compression.

引用

页数：9

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