Magnetite and Co ferrite-based clay composites

被引：12

作者：

Bourlinos, AB ^{[1
]}

Devlin, E ^{[1
]}

Boukos, N ^{[1
]}

Simopoulos, A ^{[1
]}

Petridis, D ^{[1
]}

机构：

[1] NCSR Demokritos, Inst Mat Sci, Aghia Paraskevi 15310, Greece

来源：

CLAY MINERALS | 2002年 / 37卷 / 01期

关键词：

clay composites; magnetite; cobalt-ferrite; organoclays; XRD; EPR; Mossbauer; TEM;

D O I：

10.1180/0009855023710023

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The synthesis of clay composites modified with magnetite and Co ferrite magnetic nanoparticles is described. The synthetic method relies on the adsorption of colloidal magnetite or Co ferrite particles onto the external surfaces of a Na-saturated clay mineral to give magnetic clay composites that can be converted easily, through ion exchange reactions, to valuable clay derivatives, e.g. organoclays, which maintain the magnetic properties of the parent composite. The magnetic solids were characterized by XRD, EPR, Mossbauer, magnetic measurement and TEM techniques.

引用

页码：135 / 141

页数：7

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