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High Pressure Research
An International Journal
Volume 32, 2012 - Issue 1
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Selected papers from the XLIXth Conference of the European High Pressure Research Group (EHPRG), held in Budapest (Hungary), 28 August–2 September 2011

Ballistic transport properties across nonuniform strain barriers in graphene

F. M.D. Pellegrino Dipartimento di Fisica e Astronomia, Università di Catania, Via S. Sofia, 64, I-95123, Catania, Italy; CNISM, UdR Catania, I-95123, Catania, Italy
,
G. G.N. Angilella Dipartimento di Fisica e Astronomia, Università di Catania, Via S. Sofia, 64, I-95123, Catania, Italy; CNISM, UdR Catania, I-95123, Catania, Italy; Scuola Superiore di Catania, Via Valdisavoia, 9, I-95123, Catania, Italy; INFN, Sez. Catania, I-95123, Catania, ItalyCorrespondence[email protected]
&
R. Pucci Dipartimento di Fisica e Astronomia, Università di Catania, Via S. Sofia, 64, I-95123, Catania, Italy; CNISM, UdR Catania, I-95123, Catania, Italy
Pages 18-22 | Received 01 Sep 2011, Accepted 15 Dec 2011, Published online: 31 Jan 2012
 
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Abstract

We study the effect of uniaxial strain on the transmission and the conductivity across a strain-induced barrier in graphene. At variance with conventional studies, which consider sharp barriers, we consider a more realistic, smooth barrier, characterized by a nonuniform, continuous strain profile. Our results are instrumental towards a better understanding of the transport properties in corrugated graphene.

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