Proximity-Induced Superconductivity in New Superstructures on 2H-NbSe$_2$ Surface
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**
1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 1001902 School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 1000493 Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory of the Chinese Academy of Science, Hefei 2300314 Collaborative Innovation Center of Quantum Matter, Beijing 100190
Abstract ：Using scanning tunneling microscopy we observe a stripe phase smoothly interfacing with a triangular $2\times2$ superstructure on the surface of 2H-NbSe$_2$ single crystal. Proximity-induced superconductivity is demonstrated in these new ordered structures by measurements of low-temperature tunneling spectra. The modulation of superconductivity by the reconstruction provides an opportunity to understand the interplay between superconductivity and charge orders.
收稿日期: 2017-04-25
出版日期: 2017-06-23
:
74.45.+c
(Proximity effects; Andreev reflection; SN and SNS junctions)
71.45.Lr
(Charge-density-wave systems)
74.50.+r
(Tunneling phenomena; Josephson effects)
74.78.Fk
(Multilayers, superlattices, heterostructures)
引用本文:
. [J]. 中国物理快报, 2017, 34(7): 77403-.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/34/7/077403
或
https://cpl.iphy.ac.cn/CN/Y2017/V34/I7/77403
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2017, Vol. 34 
