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Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites

This paper focuses on the effect of sintering temperature on the structural, microstructural and magnetic properties of cobalt ferrite (CF). CF with sintering temperatures of 600 ℃ to 1400 ℃, was synthesized using the oxide mixture route technique. The structural and microstructural development of t...

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Main Authors:	Nurul Atiqah Mohd, Pauzi, Rodziah, Nazlan, Nurul Masliana, Khairil Anuar, Mohamad Ashry, Jusoh, Idza Riati, Ibrahim, Farah Nabilah, Shafiee
格式:	Conference or Workshop Item
語言:	English English
出版:	Elsevier Ltd 2021
主題:	Q Science (General) T Technology (General) TP Chemical technology
在線閱讀:	http://umpir.ump.edu.my/id/eprint/35580/1/Sintering%20temperature%20dependence%20on%20evolving%20microstructure%20and%20magnetic.pdf http://umpir.ump.edu.my/id/eprint/35580/2/Sintering%20temperature%20dependence%20on%20evolving%20microstructure%20and%20magnetic%20characteristics%20of%20cobalt%20ferrites_Abs.pdf http://umpir.ump.edu.my/id/eprint/35580/ https://doi.org/10.1016/j.matpr.2021.11.640
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spelling	my.ump.umpir.355802023-02-21T03:16:43Z http://umpir.ump.edu.my/id/eprint/35580/ Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites Nurul Atiqah Mohd, Pauzi Rodziah, Nazlan Nurul Masliana, Khairil Anuar Mohamad Ashry, Jusoh Idza Riati, Ibrahim Farah Nabilah, Shafiee Q Science (General) T Technology (General) TP Chemical technology This paper focuses on the effect of sintering temperature on the structural, microstructural and magnetic properties of cobalt ferrite (CF). CF with sintering temperatures of 600 ℃ to 1400 ℃, was synthesized using the oxide mixture route technique. The structural and microstructural development of the samples were investigated using X-Ray Diffractometer, Transmission Electron Microscope and Scanning Electron Microscope, while the magnetic dynamic properties of the samples were analyzed using Impedance/ Material Analyzer over 1 MHz to 1 GHz. The results show that the complex permeability which include the real permeability and loss factor of the samples at 10 MHz have shown an increase in their values through increasing the sintering temperature. As sintering temperature acted as a temporary agent for structural and microstructural development, the improvement of crystallization and microstructure by heat treatment, contributed to a single CF phase formation and grain growth, resulting in the removal of porosity and microstrain in the samples. This in turn enhanced the superexchange interactions between magnetic moments via elimination of domain wall pinning point, thus contributes to the improvement of magnetic characteristics of the samples. Elsevier Ltd 2021 Conference or Workshop Item PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/35580/1/Sintering%20temperature%20dependence%20on%20evolving%20microstructure%20and%20magnetic.pdf pdf en http://umpir.ump.edu.my/id/eprint/35580/2/Sintering%20temperature%20dependence%20on%20evolving%20microstructure%20and%20magnetic%20characteristics%20of%20cobalt%20ferrites_Abs.pdf Nurul Atiqah Mohd, Pauzi and Rodziah, Nazlan and Nurul Masliana, Khairil Anuar and Mohamad Ashry, Jusoh and Idza Riati, Ibrahim and Farah Nabilah, Shafiee (2021) Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites. In: Materials Today: Proceedings; 3rd Symposium on Industrial Science and Technology, SISTEC 2021, 25 - 26 August 2021 , Kuantan, Pahang. pp. 1420-1425., 51 (2). ISSN 2214-7853 https://doi.org/10.1016/j.matpr.2021.11.640
institution	Universiti Malaysia Pahang Al-Sultan Abdullah
building	UMPSA Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaysia Pahang Al-Sultan Abdullah
content_source	UMPSA Institutional Repository
url_provider	http://umpir.ump.edu.my/
language	English English
topic	Q Science (General) T Technology (General) TP Chemical technology
spellingShingle	Q Science (General) T Technology (General) TP Chemical technology Nurul Atiqah Mohd, Pauzi Rodziah, Nazlan Nurul Masliana, Khairil Anuar Mohamad Ashry, Jusoh Idza Riati, Ibrahim Farah Nabilah, Shafiee Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites
description	This paper focuses on the effect of sintering temperature on the structural, microstructural and magnetic properties of cobalt ferrite (CF). CF with sintering temperatures of 600 ℃ to 1400 ℃, was synthesized using the oxide mixture route technique. The structural and microstructural development of the samples were investigated using X-Ray Diffractometer, Transmission Electron Microscope and Scanning Electron Microscope, while the magnetic dynamic properties of the samples were analyzed using Impedance/ Material Analyzer over 1 MHz to 1 GHz. The results show that the complex permeability which include the real permeability and loss factor of the samples at 10 MHz have shown an increase in their values through increasing the sintering temperature. As sintering temperature acted as a temporary agent for structural and microstructural development, the improvement of crystallization and microstructure by heat treatment, contributed to a single CF phase formation and grain growth, resulting in the removal of porosity and microstrain in the samples. This in turn enhanced the superexchange interactions between magnetic moments via elimination of domain wall pinning point, thus contributes to the improvement of magnetic characteristics of the samples.
format	Conference or Workshop Item
author	Nurul Atiqah Mohd, Pauzi Rodziah, Nazlan Nurul Masliana, Khairil Anuar Mohamad Ashry, Jusoh Idza Riati, Ibrahim Farah Nabilah, Shafiee
author_facet	Nurul Atiqah Mohd, Pauzi Rodziah, Nazlan Nurul Masliana, Khairil Anuar Mohamad Ashry, Jusoh Idza Riati, Ibrahim Farah Nabilah, Shafiee
author_sort	Nurul Atiqah Mohd, Pauzi
title	Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites
title_short	Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites
title_full	Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites
title_fullStr	Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites
title_full_unstemmed	Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites
title_sort	sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites
publisher	Elsevier Ltd
publishDate	2021
url	http://umpir.ump.edu.my/id/eprint/35580/1/Sintering%20temperature%20dependence%20on%20evolving%20microstructure%20and%20magnetic.pdf http://umpir.ump.edu.my/id/eprint/35580/2/Sintering%20temperature%20dependence%20on%20evolving%20microstructure%20and%20magnetic%20characteristics%20of%20cobalt%20ferrites_Abs.pdf http://umpir.ump.edu.my/id/eprint/35580/ https://doi.org/10.1016/j.matpr.2021.11.640
_version_	1822923005287727104
score	13.251813

Sintering temperature dependence on evolving microstructure and magnetic characteristics of cobalt ferrites

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