Electronic specific heat of single-walled carbon nanotubes

M. Lin, Kenneth W.K. Shung

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The electronic structure of single-walled carbon nanotubes is calculated by the tight-binding model. A single-walled carbon nanotube could drastically change from a metal to a semiconductor or vice versa during the variation of magnetic flux. The low-temperature electronic specific heat thus exhibits the rich temperature and magnetic-flux dependence. There are four kinds of temperature dependence in the presence of the magnetic field, mainly due to the interaction between spin and magnetic field. Moreover, the magnetic-flux-dependent specific heat exhibits the pronounced oscillatory behavior including asymmetric two-peak structures. These structures strongly depend on the characteristics of the subbands nearest the Fermi level.

Original languageEnglish
Pages (from-to)2896-2900
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume54
Issue number4
DOIs
Publication statusPublished - 1996

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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