Title
Resonant tunneling through S- and U-shaped graphene nanoribbons Resonant tunneling through S- and U-shaped graphene nanoribbons
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Bristol ,
Subject
Physics
Source (journal)
Nanotechnology. - Bristol
Volume/pages
20(2009) :41 , p. 415203,1-415203,7
ISSN
0957-4484
ISI
000269930100007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We theoretically investigate resonant tunneling through S- and U-shaped nanostructured graphene nanoribbons. A rich structure of resonant tunneling peaks is found emanating from different quasi-bound states in the middle region. The tunneling current can be turned on and off by varying the Fermi energy. Tunability of resonant tunneling is realized by changing the width of the left and/or right leads and without the use of any external gates.
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