Observation of the quantum valley Hall state in ballistic graphene superlattices

In graphene superlattices, bulk topological currents can lead to long-range charge-neutral flow and nonlocal resistance near Dirac points. A ballistic version of these phenomena has never been explored. We report transport properties of ballistic graphene superlattices. This allows us to study and e...

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Udgivet i:Sci Adv
Main Authors: Komatsu, Katsuyosih, Morita, Yoshifumi, Watanabe, Eiichiro, Tsuya, Daiju, Watanabe, Kenji, Taniguchi, Takashi, Moriyama, Satoshi
Format: Artigo
Sprog:Inglês
Udgivet: American Association for the Advancement of Science 2018
Fag:
Research Articles
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC5959303/
https://ncbi.nlm.nih.gov/pubmed/29795780
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1126/sciadv.aaq0194
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