Superparamagnetic properties of a cement-derived synthetic Fe-substituted calcium silicate hydrate

We present a study of a synthetic Fe-substituted calcium silicate hydrate (CSH), a constituent of cement paste, using 57Fe Mössbauer spectroscopy and magnetic measurements. The observed behaviour is characteristic of antiferromagnetic nanometric particles undergoing superparamagnetic fluctuations. T...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1997-07, Vol.171 (1), p.119-128
Main Authors: Le Callonnec, C., Faucon, P., Bonville, P., Genand-Riondet, N., Jacquinot, J.F.
Format: Article
Language:English
Subjects:
Fe-substituted cement
Mössbauer spectroscopy
Superparamagnetism
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Summary:We present a study of a synthetic Fe-substituted calcium silicate hydrate (CSH), a constituent of cement paste, using 57Fe Mössbauer spectroscopy and magnetic measurements. The observed behaviour is characteristic of antiferromagnetic nanometric particles undergoing superparamagnetic fluctuations. The relevance of these findings with respect to the understanding of CSH crystal structure and microstructure is discussed briefly.
ISSN:0304-8853
DOI:10.1016/S0304-8853(97)00051-6