SYNTHESIS OF RELATIVELY HIGHLY MAGNETIC NANO-SIZEDNiZn-FERRITE IN MICROEMULSION AT 45°C

Vuk Uskoković and Miha Drofenik
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Vuk Uskoković: Jožef Stefan Institute, Jamova 38, 1000 Ljubljana, Slovenia
Miha Drofenik: Jožef Stefan Institute, Jamova 38, 1000 Ljubljana, Slovenia;

Surface Review and Letters (SRL), 2005, vol. 12, issue 01, 97-100

Abstract: The procedure for the preparation ofNiZn-ferrite powder with average particle size of 10nmand saturation magnetization of 50 emu/g by using precipitation reaction between acidified sulphate precursor salts and NH4OH as the precipitating agent in the water-in-oil domain of the microemulsion CTAB/1-hexanol/water at 45°C is presented herein. TEM measurements have revealed relatively uniform morphology of the particles, which are associated in coral-like agglomerates. EDS measurements have been used for qualitative analysis of the sample, whereby FAAS measurement has been performed in order to reveal the proportion of the cations in the sample — Ni : Zn : Fe = 0.17 : 0.18 : 2.64.

Keywords: NiZn-ferrite; precipitation sythesis; reverse micelles (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0218625X05006822

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