NMR of57Fe in erbium-yttrium iron garnets |
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| Authors: | P Novák V A Borodin V D Doroshev M M Savosta T N Tarasenko |
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| Institution: | (1) Institute of Physics, 180 40 Prague, Czechoslovakia;(2) Institute of Technical Physics, 340 114 Donetsk, USSR |
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| Abstract: | NMR of 57Fe was studied by the two pulse spin echo method in systems Er(x)Y(3−x)Fe5012. For small (x<0.3) or large (x>2.7)
concentrations of Er the spectra of 57Fe exhibit resolved satellite lines. The splitting between the satellite and the parent
line reflects the change of the dipolar field on the Fe nuclei (diamagnetic yttrium is replaced by magnetic erbium ion) and
the change which the substitution causes in the electronic structure of the ferric ion. Relative importance of these effects
is discussed. |
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