Magnetic properties of chiral carbon toroids

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6 Citations (Scopus)


Magnetic properties of chiral carbon toroids directly reflect the characteristics of the π-electron states. They are mainly determined by the toroid structures (such as chiral angle, height, and radius), the magnetic flux, and the Zeeman effect. All zigzag carbon toroids are paramagnetic, while most of armchair carbon toroids are diamagnetic. The other chiral carbon toroids are paramagnetic or diamagnetic, which depends on chiral angle, height, and radius. At high magnetic fields, the Zeeman effect strongly affects the low-energy electronic structures, and thereby affecting the magnetic properties. Such an effect causes certain chiral carbon toroids to exhibit semiconductor-metal transitions. Persistent currents have special jump structures, and magnetism might drastically change from diamagnetism into paramagnetism.

Original languageEnglish
Pages (from-to)43-48
Number of pages6
JournalPhysica B: Condensed Matter
Issue number1
Publication statusPublished - 1999 Jul

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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