Mossbauer spectra of Li 0.5+0.5x Cr 0.3 Ti x Fe 2.2-1.5x O 4 with x varying from 0.0 to 1.0 in steps of 0.2 have been obtained at 300 K and 78 K. The effect of Ti 4+ substitution on the various hyperfine interactions has been discussed. For lower Ti 4+ concentrations (0.0 and 0.2) the spectra showed a clear Zeeman pattern whereas, for x>or=0.4, a central quadrupole doublet was present together with the magnetic sextet at both temperatures. The intensity of the doublet was observed to increase with increase in Ti 4+ content. This anomalous behaviour of the Mossbauer spectra in the present system has been discussed.
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Kothari et al. (1988) studied this question.
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