Epitaxial fabrication of AgTe monolayer on Ag(111) and the sequential growth of Te film

doi:10.1007/s11467-021-1080-y

Front. Phys.

2021, Vol. 16

Issue (6) : 63502 https://doi.org/10.1007/s11467-021-1080-y

RESEARCH ARTICLE

Epitaxial fabrication of AgTe monolayer on Ag(111) and the sequential growth of Te film

Haoyu Dong¹, Le Lei¹, Shuya Xing¹, Jianfeng Guo¹, Feiyue Cao¹, Shangzhi Gu¹, Yanyan Geng¹, Shuo Mi¹, Hanxiang Wu¹, Yan Jun Li², Yasuhiro Sugawara², Fei Pang¹(

), Wei Ji¹, Rui Xu¹, Zhihai Cheng¹(

)

¹. Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-nano Devices, Department of Physics, Renmin University of China, Beijing 100872, China
². Department of Applied Physics, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan

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Abstract

Transition-metal chalcogenides (TMCs) materials have attracted increasing interest both for fundamental research and industrial applications. Among all these materials, two-dimensional (2D) compounds with honeycomb-like structure possess exotic electronic structures. Here, we report a systematic study of TMC monolayer AgTe fabricated by direct depositing Te on the surface of Ag(111) and annealing. Few intrinsic defects are observed and studied by scanning tunneling microscopy, indicating that there are two kinds of AgTe domains and they can form gliding twin-boundary. Then, the monolayer AgTe can serve as the template for the following growth of Te film. Meanwhile, some Te atoms are observed in the form of chains on the top of the bottom Te film. Our findings in this work might provide insightful guide for the epitaxial growth of 2D materials for study of novel physical properties and for future quantum devices.

Keywords AgTe monolayer Te film epitaxial growth scanning tunneling microscopy two-dimensional materials transition-metal chalcogenides

Corresponding Author(s): Fei Pang,Zhihai Cheng

Issue Date: 13 July 2021

Cite this article:

Haoyu Dong,Le Lei,Shuya Xing, et al. Epitaxial fabrication of AgTe monolayer on Ag(111) and the sequential growth of Te film[J]. Front. Phys. , 2021, 16(6): 63502.

URL:

https://academic.hep.com.cn/fop/EN/10.1007/s11467-021-1080-y
https://academic.hep.com.cn/fop/EN/Y2021/V16/I6/63502

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