EPR and optical studies of vanadium doped potassium dihydrogen citrate (C6H7KO7) single crystal

Yarbasi Z., KARABULUT A., Karabulut B.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, vol.79, no.5, pp.1304-1307, 2011 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 79 Issue: 5
  • Publication Date: 2011
  • Doi Number: 10.1016/j.saa.2011.04.059
  • Journal Name: SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1304-1307
  • Keywords: Vanadyl doped, EPR, Optical studies, Potassium dihydrogen citrate, VO2+ IONS, SULFATE HEXAHYDRATE, ESR-SPECTRA, ABSORPTION, GLASSES, ACID
  • Ondokuz Mayıs University Affiliated: Yes

Abstract

An EPR and optical studies of VO2+ doped potassium dihydrogen citrate (PDHC) single crystals have been carried out at room temperature. It crystallizes in triclinic symmetry with the unit cell dimensions: a = 11.343 angstrom, b = 13.078 angstrom, c = 6.272 angstrom, alpha = 89.79 degrees, beta = 94.36 degrees, gamma = 104.2 degrees. The angular variation of EPR spectra have shown that two different VO2+ complexes are located in different chemical environments and each environment contains one magnetically VO2+ site occupying substitutional position in the lattice and show very high angular dependence. (C) 2011 Elsevier B.V. All rights reserved.