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J. Korean Ceram. Soc. > Volume 57(6); 2020 > Article
Journal of the Korean Ceramic Society 2020;57(6): 653-660.
doi: https://doi.org/10.1007%2Fs43207-020-00069-2
Effect of Zn, Ni, and Mn doping ions on magnetic properties of MFe2O4 (M = Mn, Zn, and Ni) nanoparticles synthesized via sol–gel autocombustion using PVA/sago starch blend as a chelating agent
Paweena Porrawatkul1, Prawit Nuengmatcha1, Witoon Tangwatanakul2, Saksit Chanthai3
1Nanomaterials Chemistry Research Unit, Department of Chemistry, Faculty of Science and Technology, Nakhon Si Thammarat Rajabhat University, Nakhon Si Thammarat 80280, Thailand
2Academy for the Study of Science, Technology and Language Learning, Surawiwat School, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
3Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
Correspondence  Prawit Nuengmatcha ,Email: pnuengmatcha@gmail.com
Received: April 23, 2020; Revised: July 31, 2020   Accepted: August 5, 2020.  Published online: November 30, 2020.
In this study, MFe2O4 nanoparticle materials (M = Mn, Ni, Zn) were synthesized by sol–gel combustion using polyvinyl alcohol blend sago starch as the chelating agent. To achieve the highest percentage yield, the concentration of PVA and of sago starch solution for coating the synthesized materials is 1.0 g and 30 mL (35% sago starch solution). The samples were characterized by X-ray diff raction and transmission electron microscopy techniques: the crystallite size was observed to be 8–27 nm. The magnetic properties of all three samples were studied, and the measurements were carried out using a vibrating sample magnetometer; the samples exhibit ferromagnetic properties. NiFe2O4 nanoparticle gave the highest saturation magnetization value of 109.32 emu/g and the lowest coercivity value of 83.20 Oe . Moreover, the samples showed no diff erence in thermal properties. The synthesized MFe2O4 nanoparticle can be applied as a density magnetic recording media material.
Key words: MFe2O4 nanoparticles · Sol–gel · Sago starch
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