Publication
Title
Characterization of the size and position of electronhole puddles at a graphene pn junction
Author
Abstract
The effect of an electronhole puddle on the electrical transport when governed by snake states in a bipolar graphene structure is investigated. Using numerical simulations we show that information on the size and position of the electronhole puddle can be obtained using the dependence of the conductance on magnetic field and electron density of the gated region. The presence of the scatterer disrupts snake state transport which alters the conduction pattern. We obtain a simple analytical formula that connects the position of the electronhole puddle with features observed in the conductance. The size of the electronhole puddle is estimated from the magnetic field and gate potential that maximizes the effect of the puddle on the electrical transport.
Language
English
Source (journal)
Nanotechnology. - Bristol
Publication
Bristol : 2016
ISSN
0957-4484
Volume/pages
27:10(2016), 6 p.
Article Reference
105203
ISI
000369849200003
Medium
E-only publicatie
Full text (Publisher's DOI)
Full text (publisher's version - intranet only)
UAntwerpen
Faculty/Department
Research group
Publication type
Subject
Affiliation
Publications with a UAntwerp address
External links
Web of Science
Record
Identification
Creation 21.03.2016
Last edited 03.09.2017
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