Mössbauer study of magnetic ordering in K2FeF4 |
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| Authors: | MPH Thurlings EM Hendriks HW de Wijn |
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| Institution: | Fysisch Laboratorium, Rijksuniversiteit, P.O. Box 80.000, 3508 TA Utrecht, The Netherlands |
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| Abstract: | The sublattice magnetization of the quadratic-layer basal-plane antiferromagnet K2FeF4 has been studied by use of Mössbauer spectroscopy. A distribution of Néel temperatures with a width ～3 K is found at a mean TN = 67.2±0.3 K. For 0.3 < T/TN < 0.99 the sublattice magnetization is described by a power law with critical exponent β = 0.17±0.01. |
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