Investigation and analysis of single layer phosphorene properties based on tight-binding and green's function formalism

Hojjatollah Sarvari, Zhi David Chen, Parham Shenavar, Rahim Ghayour

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Black phosphorous is a layered semiconductor material which shows interesting electronic and optical properties. Few layer black phosphorous named as phosphorene is the new two-dimensional semiconductor material demonstrated in 2014. In this paper, we use tight-binding method to implement a matrix representation for single layer and multilayer phosphorene nanoribbon structures. By this approach, the Hamiltonian of the system is defined to ease study of the electronic and optical properties of these materials. Additionally, it is very helpful in studies of phenomena such as quantum transport in large-scale phosphorene field effect transistors. Then, we use the defined matrix representation to study the effect of modulated electric field on the electronic properties of armchair phosphorene nanoribbon structures. We have applied both constant and sine wave electric fields across the width and along the length of phosphorene nanoribbon with different number of atoms in its width. Then, the band gap energy and transmission through the material under electrical field are studied using the non-equilibrium Green's function formalism. Strength of electric field can change the band structure of phosphorene effectively which can be used to tune the band gap of material for particular applications.

Original languageEnglish
Title of host publication2016 24th Iranian Conference on Electrical Engineering, ICEE 2016
Pages1667-1672
Number of pages6
ISBN (Electronic)9781467387897
DOIs
StatePublished - Oct 6 2016
Event24th Iranian Conference on Electrical Engineering, ICEE 2016 - Shiraz, Iran, Islamic Republic of
Duration: May 10 2016May 12 2016

Publication series

Name2016 24th Iranian Conference on Electrical Engineering, ICEE 2016

Conference

Conference24th Iranian Conference on Electrical Engineering, ICEE 2016
Country/TerritoryIran, Islamic Republic of
CityShiraz
Period5/10/165/12/16

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

Keywords

  • Green's function
  • Phosphorene nanoribbon
  • electric field
  • tight-binding

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Optimization
  • Computer Networks and Communications

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