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ESR Spectra of MoO 3 Single Crystals Doped with Vanadium and Niobium
Author(s) -
Ioffe V. A.,
Patrina I. B.,
Zelenetskaya E. V.
Publication year - 1970
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19700370147
Subject(s) - vanadium , niobium , ion , molybdenum , spectral line , doping , electron , single crystal , crystallography , materials science , crystal (programming language) , atomic physics , chemistry , physics , optoelectronics , organic chemistry , quantum mechanics , astronomy , computer science , programming language , metallurgy
In MoO 3 :V single crystals ESR spectra of V 4+ ions and electron hole centres interacting with V 51 ( I = 7/2) are observed. The relative intensities of the V 4+ ions and hole signals change with the atmosphere of crystal growth. In MoO 3 :Nb single crystals electron hole centres interacting with Nb 93 ( I = 9/2) nuclei are present; the electrons are partly localized in the molybdenum sublattice. Nb 4+ ions are absent. Symmetry of the electron hole spectra shows that the V 51 nuclei are in substitutional positions and the Nb 93 nuclei are in interstitial ones.