The Effect of Low-Temperature Annealing on the Structural and the Magnetic Characteristics of Co-Precipitated Strontium Cobalt Ferrite

被引：0
|
作者：
Retna Arilasita
Budi Utari
机构：
[1] Universitas Sebelas Maret,Department of Physics, Faculty of Mathematics and Natural Sciences
来源：
Journal of the Korean Physical Society | 2019年 / 74卷
关键词：
Cobalt ferrite; Substituted; Strontium; Co-precipitation; Annealing;
D O I：
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中图分类号：
学科分类号：
摘要：
This study aims to prepare strontium-substituted cobalt ferrite (Sr0.1Co0.9Fe2O4) nanoparticles by using a simple co-precipitation process followed by annealing at 300°C–600°C for 5 h. The Sr0.1Co0.9Fe2O4 nanoparticles thus obtained have a face-centred cubic (fcc) inverse-spinel crystalline structure with crystallite sizes in the range from 17.26 to 26.97 nm. The saturated magnetization of the nanoparticles increases with increasing annealing temperature. Furthermore, the transition from a multi-domain to a single-domain configuration is investigated from the viewpoint of the dependence of the crystallity on the coercive field.
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页码：498 / 501
页数：3
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