PREPARATION OF BARIUM HEXAFERRITE BY SOL GEL SELF COMBUSTION USING POLYVINYL ALCOHOL

Authors

  • N. Idayanti Research Center for Electronic and Telecommunication, LIPI Jl. Sangkuriang, Bandung
  • A. Nuruddin Faculty of Industrial Technology, Engineering Physics Study Program, ITB Jl. Ganesha No. 10, Bandung 40132
  • Suyatman Faculty of Industrial Technology, Engineering Physics Study Program, ITB Jl. Ganesha No. 10, Bandung 40132

DOI:

https://doi.org/10.17146/jusami.2007.0.0.5128

Keywords:

Bariumhexaferrite, Sol gel auto combustion, PVA

Abstract

PREPARATION OF BARIUM HEXAFERRITE BY SOL GEL SELF COMBUSTION USING POLYVINYL ALCOHOL. Barium hexaferrite powders were produced by sol-gel auto-combustion. Ferric and barium nitrate in the molar ratio of 1:2, and Poly Vinyl Alcohol (PVA) are used as starting materials. After gelation with ammonium hydroxide, dehydration and subsequent mechanical milling, auto combustion and calcination at temperature from 300 oC to 1250 oC were performed to produce barium ferrite powder. XRD pattern showed barium ferrite phase started to form at temperature of 500 oC and grew to single phase at 1000 oC, with hexagonal structure. At this stage, the powder has saturation and remanence magnetization of 50.9 emu/g and 33.6 emu/g, respectively, and coercivity of 2.94 kOe.

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Published

31-10-2007

How to Cite

N. Idayanti, A. Nuruddin, & Suyatman. (2007). PREPARATION OF BARIUM HEXAFERRITE BY SOL GEL SELF COMBUSTION USING POLYVINYL ALCOHOL. Jurnal Sains Materi Indonesia, 8(4), 148–150. https://doi.org/10.17146/jusami.2007.0.0.5128

Issue

Vol. 8 No. 4 (2007): Edisi Khusus

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Articles

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