Abstract
Mössbauer emission spectra of LiNbO3:57Co single crystals at 100 K in a magnetic field of 4 T show Fe3+ line intensities corresponding to a nearly Boltzmann population of the6A1g Zeeman sublevels. Supposing that this is due to a spin-lattice relaxation in the ground state, no relaxation matrix can reproduce the shape of the spectrum. We conclude that the initial populations are temperature dependent due to spin-lattice relaxation within the\(\Gamma _6 ^T \) excited doublet.
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Gruber, W., Nagy, D.L., Ritter, G. et al. Calculation of emission spectra in terms of a stochastic relaxation model: Fe3+ in LiNbO3 . Hyperfine Interact 42, 1043–1046 (1988). https://doi.org/10.1007/BF02395569
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DOI: https://doi.org/10.1007/BF02395569