Electron spin resonance study of ferromagnetic graphite with orientational disorder

Dowan Kim, Kyu Won Lee, Cheol Eui Lee

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We have investigated highly oriented pyrolytic graphite (HOPG) with a mosaic spread (ZYH) by employing electron spin resonance (ESR) measurements in comparison to high-grade virgin HOPG (ZYA) and proton-irradiated ZYA (Irr-ZYA). In spite of ferromagnetism found in ZYH as in Irr-ZYA, the ESR spectra in ZYH resemble those in ZYA rather than those in Irr-ZYA, only giving a conduction electron signal. Distinct characteristics of the conduction electron signals were investigated, the g-values and the linewidths being interpreted in terms of the carrier density and the magnetic susceptibility in relation to defects in the systems.

Original languageEnglish
Pages (from-to)5-7
Number of pages3
JournalSolid State Communications
Publication statusPublished - 2013 Apr 1


ASJC Scopus subject areas

  • Condensed Matter Physics
  • Chemistry(all)
  • Materials Chemistry

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