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Weak localization and transport gap in graphene antidot lattices

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Eroms, Jonathan ; Weiss, Dieter
Date of publication of this fulltext: 22 Oct 2009 06:55


We fabricated and measured antidot lattices in single layer graphene with lattice periods down to 90 nm. In large-period lattices, a well-defined quantum Hall effect is observed. Going to smaller antidot spacings, the quantum Hall effect gradually disappears, following a geometric size effect. Lattices with narrow constrictions between the antidots behave as networks of nanoribbons, showing a ...


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