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arXiv:1401.6771cond-mat.mes-hall

Ballistic transport in graphene grown by chemical vapor deposition

V. E. Calado, Shou-En Zhu, S. Goswami, Q. Xu, K. Watanabe, T. Taniguchi, G. C. A. M. Janssen, L. M. K. Vandersypen

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Abstract

In this letter we report the observation of ballistic transport on micron length scales in graphene synthesised by chemical vapour deposition (CVD). Transport measurements were done on Hall bar geometries in a liquid He cryostat. Using non-local measurements we show that electrons can be ballistically directed by a magnetic field (transverse magnetic focussing) over length scales of ~μm. Comparison with atomic force microscope measurements suggests a correlation between the absence of wrinkles and the presence of ballistic transport in CVD graphene.

arXiv comments
Journal reference
Appl. Phys. Lett. 104, 023103 (2014)
DOI
doi:10.1063/1.4861627
Subjects
cond-mat.mes-hallMesoscale and Nanoscale Physics

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  1. Making graphene affordable 1 comment

    • The relevant paper, which (I guess) outlines parts of his PhD thesis findings: http://arxiv.org/abs/1401.6771 It's important to mention that the graphene produced with the method from the article has apparently some different characteristics than the graphene obtained by the…

      jcfreiView on HNParent context

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