Low-temperature synthesis of superparamagnetic Zn0.8Ni0.2Fe2O4 ferrite nanoparticles

Luong Thi Quynh Anh; Nguyen Van Dan; Do Minh Nghiep

doi:10.15625/2525-2518/56/1/9805

Low-temperature synthesis of superparamagnetic Zn0.8Ni0.2Fe2O4 ferrite nanoparticles

Luong Thi Quynh Anh, Nguyen Van Dan, Do Minh Nghiep

Author affiliations

Authors

Luong Thi Quynh Anh Department of Metallic Materials, Faculty of Materials Technology, HCMUT-VNUHCM, 268 Ly Thuong Kiet Street, ward 14, district 10, Ho Chi Minh City, Viet Nam
Nguyen Van Dan Department of Metallic Materials, Faculty of Materials Technology, HCMUT-VNUHCM, 268 Ly Thuong Kiet Street, ward 14, district 10, Ho Chi Minh City, Viet Nam
Do Minh Nghiep School of Materials Science and Engineering, Hanoi University of science and technology, 01 Dai Co Viet Street, Hai Ba Trung District, Ha Noi, Viet Nam

DOI:

https://doi.org/10.15625/2525-2518/56/1/9805

Keywords:

crystalline nanoparticles, Zn0.8Ni0.2Fe2O4 ferrite, magnetic properties, superparamagnetism (SPM)

Abstract

The crystalline nanoparticles of Ni_0.2Zn_0.8Fe₂O₄ ferrite were synthesized by chemical co-precipitation with precursor concentration of 0.1M, then modified by 0.25M solution of oleic acid in pentanol, finally heated at temperatures 120, 140, 160 and 180^oC for 6h in autoclave. The XRD, EDS and TEM confirmed that all of samples are crystalline and their particle size are 6, 6.5, 7 and 8 nm. The magnetic properties showed that the coercive force, the remanence of samples are about zero, the saturation magnetization M_s has values from 14.20 to 27.12 emu/g.

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Published

30-01-2018

How to Cite

[1]

L. T. Q. Anh, N. V. Dan, and D. M. Nghiep, “Low-temperature synthesis of superparamagnetic Zn0.8Ni0.2Fe2O4 ferrite nanoparticles”, Vietnam J. Sci. Technol., vol. 56, no. 1, pp. 31–38, Jan. 2018.

IEEE

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Issue

Vol. 56 No. 1 (2018)

Section

Materials

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