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Connectivity of edge and surface states in topological insulators
Yongjin Jiang, Feng Lu, Feng Zhai +2
The edge states of a two-dimensional quantum spin Hall (QSH) insulator form a one-dimensional helical metal which is responsible for the transport property of the QSH insulator. Co…
Scaling of the energy gap in pattern-hydrogenated graphene
Roberto Grassi, Tony Low, Mark Lundstrom
Recent experiments show that a substantial energy gap in graphene can be induced via patterned hydrogenation on an iridium substrate. Here, we show that the energy gap is roughly p…
Substrate Gating of Contact Resistance in Graphene Transistors
Dionisis Berdebes, Tony Low, Yang Sui +2
Metal contacts have been identified to be a key technological bottleneck for the realization of viable graphene electronics. Recently, it was observed that for structures that poss…
Signatures of disorder in the minimum conductivity of graphene
Yang Sui, Tony Low, Mark Lundstrom +1
Graphene has been proposed as a promising material for future nanoelectronics because of its unique electronic properties. Understanding the scaling behavior of this new nanomateri…