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Non‐Equilibrium Population of Fe 3+ Electronic States after the Electron Capture I. 57 Co in LiNbO 3 and LiTaO 3
Author(s) -
Doerfler R.,
Nagy D. L.,
Pfannes H.D.,
Putzka A.,
Ritter G.,
Zeman N.
Publication year - 1984
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.2221240236
Subject(s) - zeeman effect , atomic physics , electron , ion , spectral line , population , magnetic field , hyperfine structure , electronic structure , electron capture , physics , chemistry , condensed matter physics , materials science , nuclear physics , demography , quantum mechanics , sociology , astronomy
All Zeeman levels of Fe 3+ ions contribute intense and narrow lines to the Mössbauer emission spectra of LiNbO 3 : 57 Co and LiTaO 3 : 57 Co in 2 T ≤ H ext ≤ 7 T at 4.2 K. To explain the electronic spin and magnetic field dependence of the line intensities irreversible processes like the decoupling of electrons from the lattice or a field‐dependent slow relaxation should be involved. The existence of a long‐lived heated localized mode is ruled out.
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