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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Research on the Magnetic Properties of Co1-xZnxFe2O4 Thin Films Prepared by Sol-gel Method
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 1230-1234)
Author(s): Hui-qing Fan, State Key Laboratory of Solidification Processing, School of Materials Science and Engineering,
Peng-rong Ren, State Key Laboratory of Solidification Processing, School of Materials Science and Engineering,
Abstract: Using Co(NO3)2·6H2O，Zn(CH3C0O)2·2H2O and Fe(NO3)3·9H2O as starting materials， Co1-xZnxFe2O4(x=0.0 to 0.6) ferrite films were prepared on silicon by the sol-gel process. The results show that the films have cubic spinel single-phase, and the surface of the films are dense. The average grain size of he films is about 50 nm. The saturation magnetization and residual magnetization reach the maximum when x=0.3, and coercivity decreases with the increase of Zn2+ concentration. The magnetization measurements show that the saturation magnetization decreased with the increasing of temperature with a range from 60k to 400k, and the reasons were analyzed.
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