1996•Journal of Physics Condensed MatterRequires access
Superparamagnetism and the Mössbauer spectrum of goethite: a comment on a recent proposal by Coeyet al
Stephen Bocquet
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Abstract
The distinctive Mössbauer spectra of goethite cannot be explained on the basis of superparamagnetism. Consideration of superparamagnetic fluctuations in only the transverse components of the sublattice magnetization (`mode superparamagnetism', proposed by Coey et al ), or of possible interactions between superparamagnetic particles, does not alter this conclusion.