Published date: Apr 16 2019

Journal Title: KnE Engineering

Issue title: International Conference on Basic Sciences and Its Applications (ICBSA-2018)

Pages: 223–234

DOI: 10.18502/keg.v1i2.4447

Novrita Idayanti

Dedi .

Azwar Manaf

Results of investigation of grain exchange interaction effects on the magnetic properties of strontium hexaferrite (SrO.6Fe2O3 ) based samples are reported. The investigation was subject to the evaluation of magnetic properties of three samples prepared in three different routes. Sample A was prepared through the refinement of mechanically alloyed powders. Sample B was obtained from the mechanically alloyed of sample A and subsequently irradiated ultrasonically. Whereas the sample C was obtained through mechanically alloyed powder of sample A with the addition of 15% poly vinyl alcohol (PVA) as the non-magnetic binding agent. Subject to phase identification and evaluation of x-ray diffraction data for sample A and B, it was found that both samples are fully crystalline single-phase materials with mean crystallite size respectively 25 nm and 13 nm. Both samples have indicated a high value of M

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