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The dynamics of iron ions in pseudotetrahedral (bipiramidal) sites of BaFe12O19 and SrFe12O19 hexagonal ferrites

  • Lattice Dynamics and Phase Transitions
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Abstract

A comparative Mösbbauer study of the dynamics of iron in pseudotetrahedral (bipiramidal) 4e sites has been performed on BaFe12O19 and SrFe12O19 single crystals from 4.2 to 295 K. The measured angular and temperature dependence of the recoil-free fraction evidenced the influence of the heavy divalent cations on the dynamics of iron in 4e sites.

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Authors and Affiliations

  1. Dipartimento di Fisica, Università di Parma, 43100, Parma, Italy

    G. Albanese, A. Deriu & D. Cabrini

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  1. G. Albanese
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  2. A. Deriu
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  3. D. Cabrini
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Deceased during the preparation of the manuscript. G. Albanese and A. Deriu wish to dedicate this paper to him.

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Albanese, G., Deriu, A. & Cabrini, D. The dynamics of iron ions in pseudotetrahedral (bipiramidal) sites of BaFe12O19 and SrFe12O19 hexagonal ferrites. Hyperfine Interact 70, 1087–1090 (1992). https://doi.org/10.1007/BF02397518

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