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Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices

Mukhtar Ahmad, Muhammad Shahid, Yousef Mohammed Alanazi Orcid Logo, Atiq ur Rehman Orcid Logo, Muahmmad Asif Orcid Logo, Charlie Dunnill Orcid Logo

Journal of Materials Research and Technology, Volume: 18, Pages: 3386 - 3395

Swansea University Author: Charlie Dunnill Orcid Logo

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Abstract

Lithium ferrite Li0.5Fe2.5O4 has been synthesized by the use of the sol–gel technique. X-ray diffractometer (XRD) has been employed to confirm the crystal structure of spinel ferrites. No impurity peaks are detected in XRD graph, which confirms single phase crystal structure. The evaluation of grain...

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Published in: Journal of Materials Research and Technology
ISSN: 2238-7854
Published: Elsevier BV 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa60974
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spelling v2 60974 2022-08-30 Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices 0c4af8958eda0d2e914a5edc3210cd9e 0000-0003-4052-6931 Charlie Dunnill Charlie Dunnill true false 2022-08-30 CHEG Lithium ferrite Li0.5Fe2.5O4 has been synthesized by the use of the sol–gel technique. X-ray diffractometer (XRD) has been employed to confirm the crystal structure of spinel ferrites. No impurity peaks are detected in XRD graph, which confirms single phase crystal structure. The evaluation of grain size and analysis of external surface morphology of synthesized lithium ferrites has been done by scanning electron microscope (SEM). Average grain size was about equal to 131 nm. Energy dispersive x-ray spectra showed all the elements were present in required proportions. Magnetic characteristics such as saturation magnetization (Ms), remanence (Mr), and coercive force (Hc) have been measured from MH loops. Saturation magnetization has been measured to be 43.69 emu/by law of approach to saturation. The coercivity value lies in the range of few hundred Oersted which is vital condition for electromagnetic materials. Cyclic Voltammetry (CV) measurements were made, to know about the electrochemical performance of the material. CV results show that with the increase in scan rate specific capacitance decreases and the area of the loop increases which is promising for the formation of super capacitors and lithium-ion batteries (LIB's). Journal Article Journal of Materials Research and Technology 18 3386 3395 Elsevier BV 2238-7854 Lithium-ion batteries; Lithium ferrites; Structural parameter; Magnetic properties; CV measurements 1 5 2022 2022-05-01 10.1016/j.jmrt.2022.03.113 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University The authors would like to acknowledge Researcher's Supporting Project Number (RSP2022R511), King Saud University, Riyadh, Saudi Arabia. 2022-09-14T16:44:03.8468050 2022-08-30T11:43:05.8406669 College of Engineering Engineering Mukhtar Ahmad 1 Muhammad Shahid 2 Yousef Mohammed Alanazi 0000-0001-9844-5240 3 Atiq ur Rehman 0000-0001-9530-4549 4 Muahmmad Asif 0000-0001-7324-4493 5 Charlie Dunnill 0000-0003-4052-6931 6 60974__25142__32c1aad44d3f444496ad8b5526ed2a42.pdf 60974_VoR.pdf 2022-09-14T16:42:50.4186523 Output 1626070 application/pdf Version of Record true This is an open access article under the CC BY-NC-ND license. true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices
spellingShingle Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices
Charlie Dunnill
title_short Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices
title_full Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices
title_fullStr Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices
title_full_unstemmed Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices
title_sort Lithium ferrite (Li0.5Fe2.5O4): synthesis, structural, morphological and magnetic evaluation for storage devices
author_id_str_mv 0c4af8958eda0d2e914a5edc3210cd9e
author_id_fullname_str_mv 0c4af8958eda0d2e914a5edc3210cd9e_***_Charlie Dunnill
author Charlie Dunnill
author2 Mukhtar Ahmad
Muhammad Shahid
Yousef Mohammed Alanazi
Atiq ur Rehman
Muahmmad Asif
Charlie Dunnill
format Journal article
container_title Journal of Materials Research and Technology
container_volume 18
container_start_page 3386
publishDate 2022
institution Swansea University
issn 2238-7854
doi_str_mv 10.1016/j.jmrt.2022.03.113
publisher Elsevier BV
college_str College of Engineering
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description Lithium ferrite Li0.5Fe2.5O4 has been synthesized by the use of the sol–gel technique. X-ray diffractometer (XRD) has been employed to confirm the crystal structure of spinel ferrites. No impurity peaks are detected in XRD graph, which confirms single phase crystal structure. The evaluation of grain size and analysis of external surface morphology of synthesized lithium ferrites has been done by scanning electron microscope (SEM). Average grain size was about equal to 131 nm. Energy dispersive x-ray spectra showed all the elements were present in required proportions. Magnetic characteristics such as saturation magnetization (Ms), remanence (Mr), and coercive force (Hc) have been measured from MH loops. Saturation magnetization has been measured to be 43.69 emu/by law of approach to saturation. The coercivity value lies in the range of few hundred Oersted which is vital condition for electromagnetic materials. Cyclic Voltammetry (CV) measurements were made, to know about the electrochemical performance of the material. CV results show that with the increase in scan rate specific capacitance decreases and the area of the loop increases which is promising for the formation of super capacitors and lithium-ion batteries (LIB's).
published_date 2022-05-01T16:44:02Z
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