EPR spectra of VO2+ doped in Na2C4H4O6 single crystals

Karabulut B., Tapramaz R., Koksal E.

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES, vol.59, no.10, pp.669-673, 2004 (SCI-Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 59 Issue: 10
  • Publication Date: 2004
  • Journal Name: ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.669-673
  • Keywords: EPR, vanadil ion, Di-sodium tartrate, ELECTRON-PARAMAGNETIC-RES, VANADYL ION, ACID, ESR, ABSORPTION, RESONANCE, TARTRATE, LATTICE, CITRATE
  • Ondokuz Mayıs University Affiliated: No

Abstract

EPR spectra of VO2+ ions in di-sodium tartrate, [Na2C4H4O6], single crystal and powder spectra have been studied at room temperature. The angular variation of the EPR spectra has shown that three different VO2+ complexes are located in different chemical environments, and each environment contains two magnetically inequvalent sites. The spin Hamiltonian parameters are determined, and these parameters have been used to assess the bonding coefficients of the VO2+ ion in the di-sodium tartrate lattice. The parallel and perpendicular components of axially symmetric g and hyperfine tensors are evaluated. The results are discussed.