The Focusing of Electron Flow and a Veselago Lens in Graphene p-n Junctions-Reference-Cited by-同舟云学术

The Focusing of Electron Flow and a Veselago Lens in Graphene p-n Junctions

Published:2007-03-02 Issue:5816 Volume:315 Page:1252-1255
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Cheianov Vadim V.¹²³,Fal'ko Vladimir¹²³,Altshuler B. L.¹²³

Affiliation:

1. Physics Department, Lancaster University, Lancaster LA1 4YB, UK.

2. Physics Department, Columbia University, 538 West 120th Street, New York, NY 10027, USA.

3. NEC-Laboratories America, 4 Independence Way, Princeton, NJ 085540, USA.

Abstract

The focusing of electric current by a single p-n junction in graphene is theoretically predicted. Precise focusing may be achieved by fine-tuning the densities of carriers on the n - and p -sides of the junction to equal values. This finding may be useful for the engineering of electronic lenses and focused beam splitters using gate-controlled n-p-n junctions in graphene-based transistors.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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2. Physical Properties of Carbon Nanotubes 1998

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