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Temperature variation of bubble domains in Dy0.3Tm0.7FeO3 mixed orthoferrite

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Abstract

Bubble domain structure in Dy0.3Tm0.7FeO3 mixed orthoferrite was studied between room temperature and 480 K using the Faraday effect. Temperature dependence of the magnetization and domain wall energy density has been determined. Starting from the molecular field theory and one-ion theory of magnetocrystalline anisotropy, expressions describing a temperature dependence of the domain wall energy density in orthoferrites have been derived. In the expression for magnetocrystalline energy, uniaxial as well as cubic anisotropy have been accounted for.

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Authors and Affiliations

  1. Institute of Physics, Polish Academy of Sciences, Warsaw, Poland

    R. Szymczak & A. Reich

  2. Moscow University, Moscow, USSR

    A. M. Kadomseva

Authors
  1. R. Szymczak
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  2. A. Reich
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  3. A. M. Kadomseva
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Szymczak, R., Reich, A. & Kadomseva, A.M. Temperature variation of bubble domains in Dy0.3Tm0.7FeO3 mixed orthoferrite. Appl. Phys. 6, 31–34 (1975). https://doi.org/10.1007/BF00883546

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  • DOI: https://doi.org/10.1007/BF00883546

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