Superconductivity Induced by Lifshitz Transition in Pristine SnS2 under High Pressure

The importance of electronic structure evolutions and reconstitutions is widely acknowledged for strongly correlated systems. The precise effect of pressurized Fermi surface topology on metallization and superconductivity is a much-debated topic. In this work, an evolution from insulating to metalli...

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Bibliographic Details
Published in:The journal of physical chemistry letters 2022-10, Vol.13 (40), p.9404-9410
Main Authors: Feng, Jiajia, Li, Cong, Deng, Wen, Lin, Bencheng, Liu, Wenhui, Susilo, Resta A., Dong, Hongliang, Chen, Zhiqiang, Zhou, Nan, Yi, Xiaolei, Xing, Xiangzhuo, Ke, Feng, Liu, Zhenxian, Sheng, Hongwei, Shi, Zhixiang, Chen, Bin
Format: Article
Language:English
Subjects:
Physical Insights into Quantum Phenomena and Function
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Summary:The importance of electronic structure evolutions and reconstitutions is widely acknowledged for strongly correlated systems. The precise effect of pressurized Fermi surface topology on metallization and superconductivity is a much-debated topic. In this work, an evolution from insulating to metallic behavior, followed by a superconducting transition, is systematically investigated in SnS2 under high pressure. In-situ X-ray diffraction measurements show the stability of the trigonal structure under compression. Interestingly, a Lifshitz transition, which has an important bearing on the metallization and superconductivity, is identified by the first-principles calculations between 35 and 40 GPa. Our findings provide a unique playground for exploring the relationship of electronic structure, metallization, and superconductivity under high pressure without crystal structural collapse.
ISSN:1948-7185
1948-7185
DOI:10.1021/acs.jpclett.2c02580