Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite

Background: Rare earth materials are known for its salient electrical insulation properties with high values of electrical resistivity. It is expected that the substitution of rare earth ions into spi-nel ferrites could significantly alter its magnetic properties. In this work, the effect of the add...

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Main Authors: Zahari, M.H.B., Guan, B.H., Chuan, L.K., Zainudin, A.A.B.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.23096 /
Published: Bentham Science Publishers 2020
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083467435&doi=10.2174%2f2210681208666181018093813&partnerID=40&md5=38cbb261a0a26b96c6286dd97cea8f1f
http://eprints.utp.edu.my/23096/
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spelling utp-eprints.230962021-08-19T05:27:06Z Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite Zahari, M.H.B. Guan, B.H. Chuan, L.K. Zainudin, A.A.B. Background: Rare earth materials are known for its salient electrical insulation properties with high values of electrical resistivity. It is expected that the substitution of rare earth ions into spi-nel ferrites could significantly alter its magnetic properties. In this work, the effect of the addition of Samarium ions on the structural, morphological and magnetic properties of Ni0.5Zn0.5SmxFe2-xO4 (x=0.00, 0.02, 0.04, 0.06, 0.08, 0.10) synthesized using sol-gel auto combustion technique was inves-tigated. Methods: A series of Samarium-substituted Ni-Zn ferrite nanoparticles (Ni0.5Zn0.5SmxFe2-xO4 where x=0.00, 0.02, 0.04, 0.06, 0.08, 0.10) were synthesized by sol-gel auto-combustion technique. Structur-al, morphological and magnetic properties of the samples were examined through X-Ray Diffraction (XRD), Field-Emission Scanning Electron Microscope (FESEM) and Vibrating Sample Magnetometer (VSM) measurements. Results: XRD patterns revealed single-phased samples with spinel cubic structure up to x= 0.04. The average crystallite size of the samples varied in the range of 41.8 � 85.6 nm. The prepared samples exhibited agglomerated particles with larger grain size observed in Sm-substituted Ni-Zn ferrite as compared to the unsubstituted sample. The prepared samples exhibited typical soft magnetic behavior as evidenced by the small coercivity field. The magnetic saturation, Ms values decreased as the Sm3+ concentration increases. Conclusion: The substituted Ni-Zn ferrites form agglomerated particles inching towards more uniform microstructure with each increase in Sm3+ substitution. The saturation magnetization of substituted samples decreases with the increase of samarium ion concentration. The decrease in saturation magnetization can be explained based on weak super exchange interaction between A and B sites. The difference in magnetic properties between the samples despite the slight difference in Sm3+ concentra-tions suggests that the properties of the NiZnFe2O4 can be �tuned�, depending on the present need, through the substitution of Fe3+ with rare earth ions. © 2020 Bentham Science Publishers. Bentham Science Publishers 2020 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083467435&doi=10.2174%2f2210681208666181018093813&partnerID=40&md5=38cbb261a0a26b96c6286dd97cea8f1f Zahari, M.H.B. and Guan, B.H. and Chuan, L.K. and Zainudin, A.A.B. (2020) Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite. Nanoscience and Nanotechnology - Asia, 10 (2). pp. 152-156. http://eprints.utp.edu.my/23096/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Background: Rare earth materials are known for its salient electrical insulation properties with high values of electrical resistivity. It is expected that the substitution of rare earth ions into spi-nel ferrites could significantly alter its magnetic properties. In this work, the effect of the addition of Samarium ions on the structural, morphological and magnetic properties of Ni0.5Zn0.5SmxFe2-xO4 (x=0.00, 0.02, 0.04, 0.06, 0.08, 0.10) synthesized using sol-gel auto combustion technique was inves-tigated. Methods: A series of Samarium-substituted Ni-Zn ferrite nanoparticles (Ni0.5Zn0.5SmxFe2-xO4 where x=0.00, 0.02, 0.04, 0.06, 0.08, 0.10) were synthesized by sol-gel auto-combustion technique. Structur-al, morphological and magnetic properties of the samples were examined through X-Ray Diffraction (XRD), Field-Emission Scanning Electron Microscope (FESEM) and Vibrating Sample Magnetometer (VSM) measurements. Results: XRD patterns revealed single-phased samples with spinel cubic structure up to x= 0.04. The average crystallite size of the samples varied in the range of 41.8 � 85.6 nm. The prepared samples exhibited agglomerated particles with larger grain size observed in Sm-substituted Ni-Zn ferrite as compared to the unsubstituted sample. The prepared samples exhibited typical soft magnetic behavior as evidenced by the small coercivity field. The magnetic saturation, Ms values decreased as the Sm3+ concentration increases. Conclusion: The substituted Ni-Zn ferrites form agglomerated particles inching towards more uniform microstructure with each increase in Sm3+ substitution. The saturation magnetization of substituted samples decreases with the increase of samarium ion concentration. The decrease in saturation magnetization can be explained based on weak super exchange interaction between A and B sites. The difference in magnetic properties between the samples despite the slight difference in Sm3+ concentra-tions suggests that the properties of the NiZnFe2O4 can be �tuned�, depending on the present need, through the substitution of Fe3+ with rare earth ions. © 2020 Bentham Science Publishers.
format Article
author Zahari, M.H.B.
Guan, B.H.
Chuan, L.K.
Zainudin, A.A.B.
spellingShingle Zahari, M.H.B.
Guan, B.H.
Chuan, L.K.
Zainudin, A.A.B.
Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite
author_sort Zahari, M.H.B.
title Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite
title_short Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite
title_full Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite
title_fullStr Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite
title_full_unstemmed Structural, morphological and magnetic characterization of Sm-substituted Ni-Zn ferrite
title_sort structural, morphological and magnetic characterization of sm-substituted ni-zn ferrite
publisher Bentham Science Publishers
publishDate 2020
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083467435&doi=10.2174%2f2210681208666181018093813&partnerID=40&md5=38cbb261a0a26b96c6286dd97cea8f1f
http://eprints.utp.edu.my/23096/
_version_ 1741196620118097920
score 11.62408

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