期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 242, 期 -, 页码 430-433出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-8853(01)01141-6
关键词
ferrites-hexagonal; magnetic recording; substitution effects; sol-gel
The room temperature magnetic properties and microstructural characteristics of Ir-Co and La-Zn substituted Ba-ferrites powders prepared for the sol-gel method were investigated. Saturation magnetisation increased with La-Zn substitution in contrast to Ir-Co substitution. La-Zn mixtures were the least effective in reducing coercivity, whilst Ir-Co led to a fast reduction at low levels of substitution. (C) 2002 Elsevier Science B.V. All rights reserved.
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