Magnetic resonance and magnetic susceptibility study of vanadium oxide-decylamine nanotubes

Alexander M. Panich, Israel Felner, Alexander I. Shames, Cheol Eui Lee

Research output: Contribution to journalArticlepeer-review

Abstract

We report on magnetic susceptibility, 51V NMR and EPR study of multiwall vanadium oxide-decylamine nanotubes. Our measurements reveal the presence of a diamagnetic V5+ and two paramagnetic V4+ ions, respectively. NMR spectra and magnetic susceptibility data estimate the V4+ ions as ∼31%-35% of the entire vanadium ions content. EPR evidences that the paramagnetic V4+ subsystem consists of ∼10% of individual ions (hyperfine structured polycrystalline pattern) and ∼90% of exchange coupled entities(Lorentzian line).

Original languageEnglish
Article number115019
JournalMaterials Research Express
Volume3
Issue number11
DOIs
StatePublished - 1 Nov 2016

Keywords

  • EPR
  • Magnetic susceptibility
  • NMR
  • Vanadium oxide nanotubes

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