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Field-induced ferromagnetism in minnesotaite

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Abstract

Minnesotaite, a 2:1 layer sheet silicate, is antifer-romagnetic below 30 K. A spin flop or metamagnetic transition occurs in a small applied magnetic field. Neutron diffraction and Mössbauer spectroscopy, in an external magnetic field of 4.0 T, show that the magnetic structure consists of Fe2+ spins coupled ferromagnetically in the c plane with alternate ferromagnetic planes coupled antiferromagnetically.

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Author notes

  1. M. G. Townsend

    Present address: Department of Energy, Mines and Resources Canada, Canda Centre for Mineral and Energy Technology, 555 Booth Street, K1A OG1, Ottawa, Canada

Authors and Affiliations

  1. Laboratoire de Crystallographie, CNRS, Grenoble, France

    M. G. Townsend

  2. AERE Harwell, England

    G. Longworth

  3. CENG, Grenoble, France

    E. Roudaut

Authors
  1. M. G. Townsend
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  2. G. Longworth
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  3. E. Roudaut
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Townsend, M.G., Longworth, G. & Roudaut, E. Field-induced ferromagnetism in minnesotaite. Phys Chem Minerals 12, 9–12 (1985). https://doi.org/10.1007/BF00348739

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  • DOI: https://doi.org/10.1007/BF00348739

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