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Preparation of Ni–Zn–Cu ferrite particles by sol–gel technique


Zahi, Souilah and Hashim, Mansor and Daud, Abdul Razak (2006) Preparation of Ni–Zn–Cu ferrite particles by sol–gel technique. Materials Letters, 60 (23). pp. 2803-2806. ISSN 0167-577X

Abstract / Synopsis

Ni–Zn–Cu ferrite powders of Ni0.3Zn0.6Cu0.1Fe2O4 composition were synthesized by sol–gel method at low temperatures. Scanning electron microscope (SEM) and X-ray diffraction (XRD) analyses of various gel samples heated at different temperatures helped in identifying the reaction process and the stages where amorphous-gel-to-crystalline phase transition occurred. The powders were used to make ferrite cores and their microstructure was compared with those obtained by the classic ceramic process. The spinel cubic structure Ni–Zn–Cu ferrite was found to form at the temperature of 700 °C with a calcination time of 4 h. Short processing time of gel preparation, homogeneity and well defined polycrystalline microstructure with small grain size were achieved in this study.

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Additional Metadata

Item Type: Article
Subject: Colloids
Subject: Microstructure
Subject: Sintering
Divisions: Faculty of Engineering
Publisher: Elsevier
Keywords: Sol–gel preparation, Microstructure, Acetic acid, Sintering, Grain boundaries, Initial permeability
Depositing User: Erni Suraya Abdul Aziz
Date Deposited: 25 May 2011 02:38
Last Modified: 01 Dec 2015 00:54
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