Optical properties of graphene nanoribbon in a spatially modulated magnetic field

Jhao Ying Wu, Li Han Chen, To Sing Li, Ming Fa Lin

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The low-frequency optical response of graphene nanoribbons can be enhanced and tuned by a spatially modulated magnetic field. The absorption spectrum exhibits rich asymmetric peaks corresponding to the oscillatory behavior in energy bands. The optical selection rule, dominated by magnetic and quantum confinements, is clarified by examining state wave functions. The dependence of the optical excitations on field strength and period is studied as well. These results provide possibility for employing graphene nanoribbons in future optoelectronic applications.

Original languageEnglish
Article number031114
JournalApplied Physics Letters
Volume97
Issue number3
DOIs
Publication statusPublished - 2010 Jul 19

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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