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Afiq Hamzah
School of Electrical Engineering Faculty of Engineering Universiti Teknologi Malaysia 81310 Skudai Johor

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Electronic properties of zigzag silicene nanoribbons with single vacancy defect Mu Wen Chuan; Kien Liong Wong; Afiq Hamzah; Nurul Ezaila Alias; Cheng Siong Lim; Michael Loong Peng Tan
Indonesian Journal of Electrical Engineering and Computer Science Vol 19, No 1: July 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v19.i1.pp76-84

Abstract

Silicene is envisaged as one of the two-dimensional (2D) materials for future nanoelectronic applications. In addition to its extraordinary electronic properties, it is predicted to be compatible with the silicon (Si) fabrication technology. By using nearest neighbour tight-binding (NNTB) approach, the electronic properties of zigzag silicene nanoribbons (ZSiNRs) with single vacancy (SV) defects are modelled and simulated. For 4-ZSiNR with L=2, the band structures and density of states (DOS) are computed based on SV incorporated ZSiNRs at varying defect locations. The results show that the SV defect will shift the band structure and increase the peak of DOS while the bandgap remain zero. This work provides a theoretical framework to understand the impact of SV defect which is an inevitable non-ideal effect during the fabrication of silicene nanoribbons (SiNRs).
Co-Authors Cheng Siong Lim Kien Liong Wong Michael Loong Peng Tan Mu Wen Chuan Nurul Ezaila Alias