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Title: Excitonic bandgap dependence on stacking configuration in four layer graphene
Authors: Goolaup, Sarjoosing
Lew, Wen Siang
Purnama, Indra
Sekhar, Murapaka Chandra
Liu, Y. P.
Zhou, T. J.
Wong, S. K.
Keywords: DRNTU::Science::Physics
Issue Date: 2013
Source: Liu, Y. P., Goolaup, S., Lew, W. S., Purnama, I., Sekhar, M. C., Zhou, T. J., et al. (2013). Excitonic bandgap dependence on stacking configuration in four layer graphene. Applied physics letters, 103(16), 163108-.
Series/Report no.: Applied physics letters
Abstract: Different crystallographic stacking configurations in graphene provide an additional degree of freedom in the electronic structure. We have conducted systematic investigations of the transport properties of ABAB- and ABCA-stacked four-layer graphene. Our results reveal that ABAB and ABCA graphene exhibit markedly different properties as functions of both temperature and magnetic field. The temperature-dependant resistance measurement reveals that the excitonic gap of ABCA stacked graphene increases as a function of temperature, while for ABAB, a shrinking excitonic gap configuration is observed.
ISSN: 0003-6951
DOI: 10.1063/1.4825263
Rights: © 2013 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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