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Article Dans Une Revue Physics and Chemistry of the Earth. Parts A/B/C Année : 2006

Dielectric spectroscopy as a probe for dynamic properties of compacted smectites

Résumé

The micro­dynamics of water and ions in two types of clays (montmorillonite and hectorite) was investigated with Broadband Dielectric Spectroscopy (40 Hz to 5 GHz). Four to five relaxations were observed depending on the relative humidity, the clay type and the nature of the compensating counter­ion (Na + or Cs +). A tentative assignment of the relaxations to physical mechanisms is proposed.

Domaines

Matériaux
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Dates et versions

hal-00123538 , version 1 (09-11-2018)

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Agathe Cadène, Benjamin Rotenberg, S. Durand-Vidal, P. Turq, J.-C. Badot. Dielectric spectroscopy as a probe for dynamic properties of compacted smectites. Physics and Chemistry of the Earth. Parts A/B/C, 2006, 31, pp.505-510. ⟨10.1016/j.pce.2006.04.002⟩. ⟨hal-00123538⟩
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