Influence of Cu-content on the hard magnetic properties of Sm(Co,Cu) 2:17 compounds

作者: H. Nagel , A. Menth

DOI: 10.1109/TMAG.1978.1059946

关键词: Annealing (metallurgy)Single domainCondensed matter physicsMaterials scienceMagnetic energyAnalytical chemistryBulk samplesCoercivityMagnetic domain

摘要: Sm(Co 1-x Cu x ) 7.8 alloys with 0.07 5 type. Annealing at about 1070 K yielded maximum coercive fields, I H c . The dependence of the coercivity on Cu-content shows no correlation primary magnetic properties both matrix and precipitate phase. Domain wall energies were determined by means magneto-optical Kerr-effect. Coercive fields in bulk samples are obtained when domain energy within phase is lower than matrix, i.e. there an attractive interaction between precipitates.

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