Dubey, Sudipta ; Singh, Vibhor ; Bhat, Ajay K. ; Parikh, Pritesh ; Grover, Sameer ; Sensarma, Rajdeep ; Tripathi, Vikram ; Sengupta, K. ; Deshmukh, Mandar M. (2013) Tunable Superlattice in Graphene To Control the Number of Dirac Points Nano Letters, 13 (9). pp. 3990-3995. ISSN 1530-6984
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Official URL: http://doi.org/10.1021/nl4006029
Related URL: http://dx.doi.org/10.1021/nl4006029
Abstract
Superlattice in graphene generates extra Dirac points in the band structure and their number depends on the superlattice potential strength. Here, we have created a lateral superlattice in a graphene device with a tunable barrier height using a combination of two gates. In this Letter, we demonstrate the use of lateral superlattice to modify the band structure of graphene leading to the emergence of new Dirac cones. This controlled modification of the band structure persists up to 100 K.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| Keywords: | Graphene; Superlattice; Dirac Points; Band Structure. |
| ID Code: | 117641 |
| Deposited On: | 29 Apr 2021 04:40 |
| Last Modified: | 29 Apr 2021 04:40 |
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