Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3598403
Title: Tunable metal-insulator transitions in bilayer graphene by thermal annealing
Authors: Kalon, G. 
Shin, Y.J.
Yang, H. 
Issue Date: 6-Jun-2011
Citation: Kalon, G., Shin, Y.J., Yang, H. (2011-06-06). Tunable metal-insulator transitions in bilayer graphene by thermal annealing. Applied Physics Letters 98 (23) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3598403
Abstract: Tunable and highly reproducible metal-insulator transitions have been observed in bilayer graphene upon thermal annealing at 400 K under high vacuum conditions. Before annealing, the sample is metallic in the whole temperature regime of study. Upon annealing, the conductivity changes from metallic to that of an insulator and the transition temperature is a function of annealing time. The pristine metallic state can be reinstated by exposing to air thereby inducing changes in the electronic properties by adsorbing water vapor, which makes graphene a technologically promising material for sensor applications. © 2011 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/57716
ISSN: 00036951
DOI: 10.1063/1.3598403
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