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Twisted Bi-layer graphene: Microscopic rainbows
- Source :
- Small, Vol. 9, no. 19, p. 3247-3251 (2013)
- Publication Year :
- 2013
-
Abstract
- Blue, pink, and yellow colorations appear from twisted bi-layer graphene (tBLG) when transferred to a SiO2/Si substrate (SiO2 = 100 nm-thick). Raman and electron microscope studies reveal that these colorations appear for twist angles in the 9-15° range. Optical contrast simulations confirm that the observed colorations are related to the angle-dependent electronic properties of tBLG combined with the reflection that results from the layered structure tBLG/100 nm-thick SiO2/Si. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Details
- Database :
- OAIster
- Journal :
- Small, Vol. 9, no. 19, p. 3247-3251 (2013)
- Publication Type :
- Electronic Resource
- Accession number :
- edsoai.on1104527651
- Document Type :
- Electronic Resource