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ULTRAFINE PARTICLES OF BARIUM FERRITE FROM A CITRATE PRECURSOR

SANKARANARAYANAN, VK; PANKHURST, QA; DICKSON, DPE; JOHNSON, CE; (1993) ULTRAFINE PARTICLES OF BARIUM FERRITE FROM A CITRATE PRECURSOR. In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. (pp. 73 - 75). ELSEVIER SCIENCE BV

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Abstract

Ultrafine particles of barium ferrite produced by the precursor method have sizes between 5 and 100 nm. These particles have relatively low magnetisations and high coercivities. Mossbauer spectra exhibit different relative areas for the 4f(iv) and 2b sites compared to the bulk which partly explains the low magnetisations.

Type:Proceedings paper
Title:ULTRAFINE PARTICLES OF BARIUM FERRITE FROM A CITRATE PRECURSOR
Event:5TH INTERNATIONAL CONF ON MAGNETIC RECORDING MEDIA ( MRM 92 )
Location:PERUGIA, ITALY
Dates:1992-09-02 - 1992-09-04
Keywords:MAGNETIC-PROPERTIES
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Institute of Biomedical Engineering

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