Observing Altshuler--Aronov--Spivak Oscillation in a Hexagonal Antidot Array of Monolayer Graphene

We show that hexagonal antidot lattices of monolayer graphene exhibited the Altshuler--Aronov--Spivak (AAS) effect in low field magnetoresistance. In higher magnetic fields, Aharonov--Bohm-type oscillations were visible. The phase of AAS oscillation indicated that the chirality effect of graphene is...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2012-06, Vol.81 (6), p.063707-063707-4
Main Authors: Yagi, Ryuta, Shimomura, Midori, Tahara, Fumiya, Kobara, Hiroaki, Fukada, Seiya
Format: Article
Language:English
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Summary:We show that hexagonal antidot lattices of monolayer graphene exhibited the Altshuler--Aronov--Spivak (AAS) effect in low field magnetoresistance. In higher magnetic fields, Aharonov--Bohm-type oscillations were visible. The phase of AAS oscillation indicated that the chirality effect of graphene is suppressed because of inter-valley scattering due to boundary scatterings.
ISSN:0031-9015
1347-4073
DOI:10.1143/JPSJ.81.063707