The effect of synthesis parameter on crystal structure and magnetic properties of Ni0.5Zn0.5Fe2O4 magnetic nanoparticles

A. Rifianto, N. Istikhomah, E. Suharyadi, T. Kato, S. Iwata, Widakdo Januar

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

Nickel Zinc Ferrite (Ni0.5Zn0.5Fe2O4) magnetic nanoparticles have been successfully synthesized using the co-precipitation method with variation of synthesis temperature and concentration of NaOH. X-ray diffraction (XRD) analysis confirmed that Ni0.5Zn0.5Fe2O4 nanoparticles have spinel cubic crystal structure. The XRD profile of sample showed that the crystallinity increases with the increase of synthesis temperature. Meanwhile the XRD profile of sample showed the crystallinity decreases with the increase of NaOH concentration. Crystallite size of samples were in the range of 11.1-16.0 nm. There is no significant change in the lattice parameter size for the samples synthesized with increase of temperatures and NaOH concentrations. Transmission electron microscope (TEM) image showed that the sample was agglomerated. The selected area electron diffraction (SAED) image showed the diffraction ring as representation of Miller plane and confirmed that sample was polycrystalline. The maximum magnetization (σs ) at 15 kOe of the samples increases with the increase of crystallite size and crystallinity. The coercivity (Hc ) of the samples increases with the increase of crystallite size.

Original languageEnglish
Article number012059
JournalJournal of Physics: Conference Series
Volume1011
Issue number1
DOIs
Publication statusPublished - 9 May 2018
Event2017 International Conference on Theoretical and Applied Physics, ICTAP 2017 - Yogyakarta, Indonesia
Duration: 6 Sept 20178 Sept 2017

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