Magnetostatic properties of K2Co
x
Fe1?x
F4, a system with competing anisotropies |
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| Authors: | K Fendler G v Eynatten |
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| Institution: | (1) Fakultät für Physik, Universität Konstanz, Germany;(2) Present address: Max Planck Institut für Biophysik, Heinrich Hoffmann Strasse 7, D-6000 Frankfurt 71, FRG |
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| Abstract: | The magnetostatic properties of K2Co
x
Fe1–x
F4 have been investigated by susceptibility and Mössbauer measurements at different concentrations and temperatures. Three magnetically ordered phases are found: a planar phase, an OAF phase, and an uniaxial phase. The experimental results are compared to a molecular-field calculation. At certain concentrations and temperatures it is not possible to obtain a good least squares fit of the Mössbauer spectra, which is tentatively assigned to relaxation effects due to fast spin fluctuations at the OAF phase transition. |
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