Regular conductance fluctuations indicative of quasi-ballistic transport in bilayer graphene

Y. Ujiie, S. Motooka, T. Morimoto, N. Aoki, D. K. Ferry, J. P. Bird, Y. Ochiai

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Abstract

Quasi-periodic conductance fluctuations are observed in the low-temperature magneto-conductance of a bilayer graphene sample. The quasi-periodic nature of the fluctuations is confirmed by their Fourier power spectrum, which consists of just a small number of dominant frequency components. From an experimental study of these features, which are highly reminiscent of those reported previously for ballistic semiconductor quantum dots, we suggest that they are associated with the formation of an open quantum dot in the submicron graphene sample.

Original languageEnglish (US)
Article number382202
JournalJournal of Physics Condensed Matter
Volume21
Issue number38
DOIs
StatePublished - Oct 7 2009

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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    Ujiie, Y., Motooka, S., Morimoto, T., Aoki, N., Ferry, D. K., Bird, J. P., & Ochiai, Y. (2009). Regular conductance fluctuations indicative of quasi-ballistic transport in bilayer graphene. Journal of Physics Condensed Matter, 21(38), [382202]. https://doi.org/10.1088/0953-8984/21/38/382202