The low-energy electronic properties of graphene ribbons in spatially modulated magnetic fields

J. Y. Wu, Min-Fa Lin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The low energy magnetoelectronk structures for a nanographene ribbon under modulated magnetic fields are investigated through the Peierls tight-binding model. They are dominated by the field strength, period, phase, the ribbon width, and edge structure. The modulated magnetic field could add state degeneracy, modify energy dispersions, alter subband spacings, aflect carrier-density distributions, create additional band-edge states, and extend the partial flat bands. The main features of energy bands are directly reflected in density of states, such as the position, the height, the structure, and the number of the prominent peaks. These results are compared with a zigzag ribbon under a uniform magnetic field.

Original languageEnglish
Pages (from-to)2761-2765
Number of pages5
JournalPhysica Status Solidi (B) Basic Research
Volume245
Issue number12
DOIs
Publication statusPublished - 2008 Dec 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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