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Observation of superconductivity in 1T′-MoS2nanosheets
Guo, Chenguang1,2,3; Pan, Jie1,2,3; Li, Hui4; Lin, Tianquan1,3; Liu, Pan4; Song, Changsheng1; Wang, Dong1; Mu, Gang5; Lai, Xiaofang3; Zhang, Hui5; Zhou, Wei4; Chen, Mingwei4,6; Huang, Fuqiang1,3
2017
Source PublicationJournal of Materials Chemistry C
ISSN20507534
Volume5Issue:41Pages:10855-10860
AbstractStudies on the preparation and physical properties of phase-pure 1T′-MoS2are still scarce although a 1T′ phase MX2(M = Mo and W; X = Se and Te) has recently been reported to be a Weyl semimetal, a quantum spin Hall insulator, and a superconductor. Herein, we report a perfect single-layer 1T′-MoS2structure based on edge-sharing octahedra. Pure 1T′-MoS2nanosheets were successfully prepared using LiMoS2single crystals. The arrangement of zig-zag Mo-Mo chains in the 1T′-MoS2layer evolved from that of parent Mo-Mo diamond-like chains in LiMoS2crystals after the removal of all lithium ions. A well-defined 1T′-type lattice structure was observed and characterized by scanning transmission electron microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. Surprisingly, superconductivity with an onset transition temperature (Tc) of 4.6 K has been observed in the lithium-free 1T′-MoS2nanosheets, which is not observed in semiconducting bulk or single-layer 2H-MoS2. © 2017 The Royal Society of Chemistry.
DOI10.1039/c7tc03749j
EI Accession Number20174404360956
EI KeywordsSulfur compounds
EI Classification Number542.4 Lithium and Alloys - 602.1 Mechanical Drives - 741.3 Optical Devices and Systems - 761 Nanotechnology - 933 Solid State Physics - 933.1 Crystalline Solids
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25421
Collection中国科学院上海硅酸盐研究所
Corresponding AuthorChen, Mingwei
Affiliation1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing; 100871, China;
4.State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai; 200030, China;
5.State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai; 200050, China;
6.WPI Advanced Institute for Materials Research, Tohoku University, Sendai; 980-8577, Japan
Recommended Citation
GB/T 7714
Guo, Chenguang,Pan, Jie,Li, Hui,等. Observation of superconductivity in 1T′-MoS2nanosheets[J]. Journal of Materials Chemistry C,2017,5(41):10855-10860.
APA Guo, Chenguang.,Pan, Jie.,Li, Hui.,Lin, Tianquan.,Liu, Pan.,...&Huang, Fuqiang.(2017).Observation of superconductivity in 1T′-MoS2nanosheets.Journal of Materials Chemistry C,5(41),10855-10860.
MLA Guo, Chenguang,et al."Observation of superconductivity in 1T′-MoS2nanosheets".Journal of Materials Chemistry C 5.41(2017):10855-10860.
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