The Relation between Electrical Conductivity Mechanisms and Magnetic After-Effects in Single Crystal Magnetite

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概要

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• Measurements of electric conductivity and magnetic after-effect have beenperformed on single crystalline magnetite in order to obtain more informationon the conductivity mechanisms below the Verwey temperature T,z124K.Depending on the stoichiometry of the material, two or three temperature rangeswere detected which are characterized by different magnetic relaxation processesand within which the conductivity follows Mott's 7""-law as derived for thecase of multi-range electron hopping. By combined measurements of the electricalconductivity and of the magnetic after-effects the activation energies for intra-atomic electronic excitations and inter-atomic hopping transitions of electronswere determined.

• 社団法人日本物理学会の論文
• 1984-04-15

著者

• Walz F.

  Institut Fur Physik Max-planck-institut Fur Metallforschung

• LENGE N.

  Institut fur Physik,Max-Planck-Institut fur Metallforschung

• KRONMULLER H.

  Institut fur Physik,Max-Planck-Institut fur Metallforschung

• Kronmuller H.

  Institut Fur Physik Max-planck-institut Fur Metallforschung

• Lenge N.

  Institut Fur Physik Max-planck-institut Fur Metallforschung

関連論文

• The Relation between Electrical Conductivity Mechanisms and Magnetic After-Effects in Single Crystal Magnetite

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