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Tuning field-induced energy gap of bilayer graphene via interlayer spacing.
- Source :
-
Applied Physics Letters . 6/16/2008, Vol. 92 Issue 24, p243101. 3p. 1 Diagram, 2 Graphs. - Publication Year :
- 2008
-
Abstract
- Our first-principles calculations reveal surprisingly high sensitivity of the field-induced energy gap of bilayer graphene to changes in its interlayer spacing. Small adjustments in the interlayer spacing near its equilibrium value produce large modulations in the gap over a wide range of field strength. We elucidate the mechanism for the extremely effective gap tuning by examining the interlayer charge redistribution driven by the coupled electric field and nanomechanical effect. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 92
- Issue :
- 24
- Database :
- Academic Search Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 32970103
- Full Text :
- https://doi.org/10.1063/1.2943414