Weak localization in monolayer and bilayer graphene.

Kechedzhi, K. and McCann, Edward and Falko, Vladimir and Suzuura, H. and Ando, T. and Altshuler, B. L. (2007) Weak localization in monolayer and bilayer graphene. European Physical Journal - Special Topics, 148 (1). pp. 39-54. ISSN 1951-6355

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We describe the weak localization correction to conductivity in ultra-thin graphene films, taking into account disorder scattering and the influence of trigonal warping of the Fermi surface. A possible manifestation of the chiral nature of electrons in the localization properties is hampered by trigonal warping, resulting in a suppression of the weak anti-localization effect in monolayer graphene and of weak localization in bilayer graphene. Intervalley scattering due to atomically sharp scatterers in a realistic graphene sheet or by edges in a narrow wire tends to restore weak localization resulting in negative magnetoresistance in both materials.

Item Type:
Journal Article
Journal or Publication Title:
European Physical Journal - Special Topics
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The original publication is available at www.springerlink.com
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Deposited On:
14 Aug 2008 08:51
Last Modified:
21 Nov 2022 18:06