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- Title
The nucleation and growth of borophene on the Ag (111) surface.
- Authors
Xu, Shaogang; Zhao, Yujun; Liao, Jihai; Yang, Xiaobao; Xu, Hu
- Abstract
B sheets have been intently studied, and various candidates with vacancies have been reported in theoretical investigations, including their possible growth on metal surfaces. However, a recent experiment reported that the borophene formed on a Ag (111) surface consisted of a buckled triangular lattice without vacancies. Our calculations propose a novel nucleation mechanism of B clusters and emphasize the B-Ag interaction in the growth process of borophene, demonstrating the structural evolution of triangular fragments with various profiles and vacancy distributions. Compared with the triangular lattice without vacancies, we have confirmed that the sheet energetically favored during the nucleation and growth is that containing 1/6 vacancies in a stripe pattern, whose scanning tunneling microscopy image is in better agreement with the experimental observation.
- Publication
Nano Research, 2016, Vol 9, Issue 9, p2616
- ISSN
1998-0124
- Publication type
Article
- DOI
10.1007/s12274-016-1148-0