IONIZING RADIATION-INDUCED DEFECTS IN SMECTITE CLAYS

dc.contributor.author	Gournis D.
dc.contributor.author	Mantaka-Marketou A.E.
dc.contributor.author	Karakassides M.A.
dc.contributor.author	Petridis D.
dc.date.accessioned	2021-03-30T10:40:26Z
dc.date.available	2021-03-30T10:40:26Z
dc.date.issued	2001
dc.identifier	https://www.elibrary.ru/item.asp?id=872484
dc.identifier.citation	Physics and Chemistry of Minerals, 2001, 28, 4, 285-290
dc.identifier.issn	0342-1791
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/27157
dc.description.abstract	The interaction of γ-rays with smectites induces paramagnetic defects in the structure of these clay minerals. The EPR spectra of three different smectites detect the creation of structural defects and trapping of organic free radicals in the clay structure upon irradiation. The defects are assigned to positive holes or trapped electrons stabilised by existing local charge imbalances in the mineral lattice. The organic radicals are derived from organic compounds present as impurities in the crystal lattice of the clay minerals. In addition, γ-rays cause migration of small interlayer cations (such as Li+nto the layers, as clearly evidenced by EPR and FT-IR reflectance spectroscopies.
dc.subject	GAMMA IRRADIATION
dc.subject	SMECTITE CLAYS
dc.subject	RADIATION-INDUCED DEFECTS
dc.subject	EPR
dc.subject	INFRARED REFLECTANCE
dc.title	IONIZING RADIATION-INDUCED DEFECTS IN SMECTITE CLAYS
dc.type	Статья

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