Physica B: Condensed Matter, ( ISI ), Volume (415), No (1), Year (2013-1) , Pages (62-66)

Title : ( Rectifying behavior of graphene/h-boron-nitride heterostructure )

Authors: Sayyed Mohsen Modarresi Saryazdi , Mahmood Rezaee Roknabadi , Nasser Shahtahmassebi ,

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The rectifyingbehaviorofasimplegraphene/boron-nitrideheterostructurebetweentwosemi-infinite electrodesisinvestigatedbyusingthenon-equilibriumGreen’sfunctionmethod.Alsoasimple analyticalmodelisusedtoexplainthecurrent–voltagecharacteristicofatypicalheterostructure. The Hamiltonianofnanostructureiswritteninthetight-bindingmodelandtheinteractionof heterostructurewithleftandrightleadsisstudiedinthewide-bandapproximation.Thecurrent– voltagecurveofgraphene/boron-nitrideshowsanasymmetricbehaviorandnegative-differential- resistanceinthepositivebiasvoltagewhichisexplainedinthesimplemodel.Byincreasingtheribbon width, currentincreasesandthepeak-to-valleycurrentratiodecreases.AlltheG/h-BNshowsalarge rectificationratioinacertainvoltageregion.Therectificationbehaviorinthehetero-junctionisrelated to thebarrierpotentialattheinterfaceoftwostructures.

Keywords

, Graphene/h, boron, nitride Green’s function NDR Rectification
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@article{paperid:1035240,
author = {Modarresi Saryazdi, Sayyed Mohsen and Rezaee Roknabadi, Mahmood and Shahtahmassebi, Nasser},
title = {Rectifying behavior of graphene/h-boron-nitride heterostructure},
journal = {Physica B: Condensed Matter},
year = {2013},
volume = {415},
number = {1},
month = {January},
issn = {0921-4526},
pages = {62--66},
numpages = {4},
keywords = {Graphene/h-boron-nitride Green’s function NDR Rectification ratio},
}

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%0 Journal Article
%T Rectifying behavior of graphene/h-boron-nitride heterostructure
%A Modarresi Saryazdi, Sayyed Mohsen
%A Rezaee Roknabadi, Mahmood
%A Shahtahmassebi, Nasser
%J Physica B: Condensed Matter
%@ 0921-4526
%D 2013

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