The structure of charge-compensated Fe3+ ions in ZnO (Articolo in rivista)

Type
Label
  • The structure of charge-compensated Fe3+ ions in ZnO (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Azamat, DV; Fanciulli, M (2007)
    The structure of charge-compensated Fe3+ ions in ZnO
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Azamat, DV; Fanciulli, M (literal)
Pagina inizio
  • 382 (literal)
Pagina fine
  • 385 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 401 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM, CNR, MDM Natl Lab, I-20041 Agrate Brianza, Italy; RAS, AF Ioffe Phys Tech Inst, St Petersburg 124021, Russia (literal)
Titolo
  • The structure of charge-compensated Fe3+ ions in ZnO (literal)
Abstract
  • The properties of charge-compensated Fe3+ centers in hydrothermally grown ZnO single crystals were investigated by electron paramagnetic resonance (EPR) in X- and Q-band. The EPR angular dependences of the three types of Fe3+ centers were fitted using spin Hamiltonians appropriate for S =5/2 centers with C-i symmetry. The analysis of the results, and in particular the determination of the second rank fine structure tensors, suggests that Fe3+ substitutes Zn2+ with a significant distortion of the initial C-3v symmetry of the Zn site. The centers are interpreted as Fe3+ substitutional on the Zn site with (i) an oxygen vacancy in one of the nearest non-axial anionic positions, (ii) a Zn vacancy in one of the six positions lying in the basal plane and (iii) a Zn vacancy in one of the nearest six cationic positions which form a trigonal prism. (c) 2007 Elsevier B.V. All rights reserved. (literal)
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