Proximity-Induced Superconductivity in New Superstructures on 2H-NbSe2 Surface

Using scanning tunneling microscopy we observe a stripe phase smoothly interfacing with a triangular 2 ×2 super- structure on the surface of 2H-NbSe2 single crystM. Proximity-induced superconductivity is demonstrated in these new ordered structures by measurements of low-temperature tunneling spectr...

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Published in中国物理快报：英文版 Vol. 34; no. 7; pp. 237 - 241
Main Author 侯兴元 谷亚东 王宗 子海 朱相德 张孟迪 李春红 任聪 单磊
Format Journal Article
LanguageEnglish
Published 01.06.2017
Subjects
单晶
扫描隧道
显微镜观察
晶体表面
有序结构
条纹相位
表面结构
超导电性
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ISSN0256-307X
1741-3540
DOI10.1088/0256-307X/34/7/077403

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Summary:Using scanning tunneling microscopy we observe a stripe phase smoothly interfacing with a triangular 2 ×2 super- structure on the surface of 2H-NbSe2 single crystM. Proximity-induced superconductivity is demonstrated in these new ordered structures by measurements of low-temperature tunneling spectra. The modulation of superconduc- tivity by the reconstruction provides an opportunity to understand the interplay between superconductivity and charge orders.
Bibliography:11-1959/O4
Using scanning tunneling microscopy we observe a stripe phase smoothly interfacing with a triangular 2 ×2 super- structure on the surface of 2H-NbSe2 single crystM. Proximity-induced superconductivity is demonstrated in these new ordered structures by measurements of low-temperature tunneling spectra. The modulation of superconduc- tivity by the reconstruction provides an opportunity to understand the interplay between superconductivity and charge orders.
Xing-Yuan Hou1,2, Ya-Dong Gu1,2, Zong Wang1,2, Hai Zi2 , Xiang-De Zhu3, Meng-Di Zhang 1, Chun-Hong Li1, Cong Ren1, Lei Shan1,2,4（1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences Beijing 100190 2School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049 3 Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory of the Chinese Academy of Science, Hefei 230031 4Collaborative Innovation Center of Quantum Matter, Beijing 100190）
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/34/7/077403