Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite

Lanthanum substituted Ni-Zn ferrite nanoparticles (Ni0.5 Zn0.5 Lax Fe1-x O4 ; 0.00 ôxô 1.00) synthesized by sol-gel method were presented. X-ray diffraction patterns reveal the typical single phase spinel cubic ferrite structure, with the traces of secondary phase for lanthanum substituted nanocryst...

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Main Authors: Dasan, Y.K., Guan, B.H., Zahari, M.H., Chuan, L.K.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.19668 /
Published: Public Library of Science 2017
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85009508854&doi=10.1371%2fjournal.pone.0170075&partnerID=40&md5=aafa92ef57f77520c3ed8460adebc726
http://eprints.utp.edu.my/19668/
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spelling utp-eprints.196682018-04-20T07:28:00Z Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite Dasan, Y.K. Guan, B.H. Zahari, M.H. Chuan, L.K. Lanthanum substituted Ni-Zn ferrite nanoparticles (Ni0.5 Zn0.5 Lax Fe1-x O4 ; 0.00 ôxô 1.00) synthesized by sol-gel method were presented. X-ray diffraction patterns reveal the typical single phase spinel cubic ferrite structure, with the traces of secondary phase for lanthanum substituted nanocrystals. In addition, the structural analysis also demonstrates that the average crystallite size varied in the range of 21-25 nm. FTIR spectra present the two prominent absorption bands in the range of 400 to 600 cm-1 which are the fingerprint region of all ferrites. Surface morphology of both substituted and unsubstituted Ni-Zn ferrite nanoparticle samples was studied using FESEM technique and it indicates a significant increase in the size of spherical shaped particles with La3+ substitution. Magnetic properties of all samples were analyzed using vibrating sample magnetometer (VSM). The results revealed that saturation magnetization (Ms ) and coercivity (Hc ) of La3+ substituted samples has decreased as compared to the Ni-Zn ferrite samples. Hence, the observed results affirm that the lanthanum ion substitution has greatly influenced the structural, morphology and magnetic properties of Ni-Zn ferrite nanoparticles. © 2017 Dasan et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Public Library of Science 2017 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85009508854&doi=10.1371%2fjournal.pone.0170075&partnerID=40&md5=aafa92ef57f77520c3ed8460adebc726 Dasan, Y.K. and Guan, B.H. and Zahari, M.H. and Chuan, L.K. (2017) Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite. PLoS ONE, 12 (1). http://eprints.utp.edu.my/19668/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Lanthanum substituted Ni-Zn ferrite nanoparticles (Ni0.5 Zn0.5 Lax Fe1-x O4 ; 0.00 ôxô 1.00) synthesized by sol-gel method were presented. X-ray diffraction patterns reveal the typical single phase spinel cubic ferrite structure, with the traces of secondary phase for lanthanum substituted nanocrystals. In addition, the structural analysis also demonstrates that the average crystallite size varied in the range of 21-25 nm. FTIR spectra present the two prominent absorption bands in the range of 400 to 600 cm-1 which are the fingerprint region of all ferrites. Surface morphology of both substituted and unsubstituted Ni-Zn ferrite nanoparticle samples was studied using FESEM technique and it indicates a significant increase in the size of spherical shaped particles with La3+ substitution. Magnetic properties of all samples were analyzed using vibrating sample magnetometer (VSM). The results revealed that saturation magnetization (Ms ) and coercivity (Hc ) of La3+ substituted samples has decreased as compared to the Ni-Zn ferrite samples. Hence, the observed results affirm that the lanthanum ion substitution has greatly influenced the structural, morphology and magnetic properties of Ni-Zn ferrite nanoparticles. © 2017 Dasan et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
format Article
author Dasan, Y.K.
Guan, B.H.
Zahari, M.H.
Chuan, L.K.
spellingShingle Dasan, Y.K.
Guan, B.H.
Zahari, M.H.
Chuan, L.K.
Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite
author_sort Dasan, Y.K.
title Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite
title_short Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite
title_full Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite
title_fullStr Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite
title_full_unstemmed Influence of La3+ substitution on structure, morphology and magnetic properties of nanocrystalline Ni-Zn ferrite
title_sort influence of la3+ substitution on structure, morphology and magnetic properties of nanocrystalline ni-zn ferrite
publisher Public Library of Science
publishDate 2017
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85009508854&doi=10.1371%2fjournal.pone.0170075&partnerID=40&md5=aafa92ef57f77520c3ed8460adebc726
http://eprints.utp.edu.my/19668/
_version_ 1741196243793608704
score 11.62408

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