Magnetic characterization of polyvinyl alcohol ferrogels and films

被引：0
|
作者：
Hernández R. [1 ]
López G. [1 ]
López D. [1 ]
Vázquez M. [2 ]
Mijangos C. [1 ]
机构：
[1] Instituto de Ciencia y Tecnología de Polímeros, CSIC
[2] Instituto de Ciencia de Materiales, CSIC
来源：
Journal of Materials Research | 2007年 / 22卷 / 8期
关键词：
D O I：
10.1557/jmr.2007.0298
中图分类号：
学科分类号：
摘要：
This study elucidates the tunability of the magnetic properties of cobalt spinel ferrites embedded in a polyvinyl alcohol (PVA) hydrogel by changing the structure of the polymer network. We report on the preparation and characterization of sPS-Co Fe2O4 ferrofluid and PVA/ sulfonated polystyrene (sPS)-CoFe2O4 ferrogels obtained by submitting the samples to a different number of freezing-thawing (F-T) cycles. The magnetic properties were evaluated and interpreted as a function of the PVA/sPS- CoFe2O4 composition and final structure of the ferrogels. © 2007 Materials Research Society.
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页码：2211 / 2216
页数：5
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