期刊
APPLIED PHYSICS LETTERS
卷 98, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3544580
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- JARA
- [SPP-1459]
We present electron transport measurements on lithographically defined and etched graphene nanoconstrictions with different aspect ratios including different lengths (l) and widths (w). A roughly length-independent disorder induced effective energy gap can be observed around the charge neutrality point. This energy gap scales inversely with the width even in regimes where the length of the constriction is smaller than its width (l
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