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Electronic structure and spin relaxation of Fe(III) in LiNbO3

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Abstract

Crystal field parameter have been determined from EPR spectra (77K) of LiNbO3∶Fe(III). Anomalous line shapes are described phenomenologically and saturation studies are compared with calculations using a second order dynamic spin-hamiltonian H′. Mössbauer spectra of LiNbO3∶Fe(III) have been interpreted by means of simulations using Liouville superoperators including a static fine-and a hyperfine spin-hamiltonian and H′. Calculations have been performed using an effective spin of 1/2, the supermatrix with dimension 288 and a reduced formalism (supermatrix with dimension 96).

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Authors and Affiliations

  1. Laboratorium für Angewandte Physik, Universität Duisburg, D-4100, Duisburg, FRG

    H. -D. Pfannes & A. Putzka

  2. Dep. de Física, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil

    J. F. Sampaio

Authors
  1. H. -D. Pfannes
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  2. A. Putzka
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  3. J. F. Sampaio
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Pfannes, H.D., Putzka, A. & Sampaio, J.F. Electronic structure and spin relaxation of Fe(III) in LiNbO3 . Hyperfine Interact 28, 785–788 (1986). https://doi.org/10.1007/BF02061563

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  • DOI: https://doi.org/10.1007/BF02061563

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