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The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films

Iron-Platinum (Fe-Pt) and Cobalt-Iron-Platinum (Co-Fe-Pt) nanocrystalline thin films were deposited on brass substrates using a single bath electrodeposition system. The effects of addition of various concentrations of cobalt towards the composition, crystallographic structure, microstructure and ma...

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Main Authors: Teh, Sooh Hian, Yaacob, Iskandar Idris
Format: Article
Language:English
Published: Trans Tech Publications 2010
Subjects:
TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://irep.iium.edu.my/16414/1/The_Effect_of_Cobalt_Addition_on_Structural_and_Magnetic_Properties.pdf
http://irep.iium.edu.my/16414/
http://www.scientific.net/MSF.654-656.1736
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spelling my.iium.irep.164142012-02-01T01:08:18Z http://irep.iium.edu.my/16414/ The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films Teh, Sooh Hian Yaacob, Iskandar Idris TJ Mechanical engineering and machinery TK Electrical engineering. Electronics Nuclear engineering Iron-Platinum (Fe-Pt) and Cobalt-Iron-Platinum (Co-Fe-Pt) nanocrystalline thin films were deposited on brass substrates using a single bath electrodeposition system. The effects of addition of various concentrations of cobalt towards the composition, crystallographic structure, microstructure and magnetic properties of the Fe-Pt alloy films were investigated. Ammonium tartrate and ammonia solution were used as complex forming additives to stabilize the Fe2+ and Co2+ ions and to enhance co-deposition with platinum complexes. The as-synthesized thin films were characterized by energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), scanning electron microscopy (SEM) and alternating gradient magnetometry (AGM). EDS results showed that cobalt was preferentially deposited compared to iron during Co-Fe-Pt film electrodeposition. SEM results showed that the microstructure of the films consisted of spherical granules. XRD showed formation of disordered face-centered cubic (fcc) Fe-Pt phase and all peaks were shifted to slightly higher diffraction angles with increasing cobalt content. The average crystallite size calculated from XRD peak broadening varied from 2.33nm to 6.54nm. The saturation magnetization and coercivity increased with increasing cobalt content. © (2010) Trans Tech Publications. Trans Tech Publications 2010 Article REM application/pdf en http://irep.iium.edu.my/16414/1/The_Effect_of_Cobalt_Addition_on_Structural_and_Magnetic_Properties.pdf Teh, Sooh Hian and Yaacob, Iskandar Idris (2010) The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films. Materials Science Forum, 654-6. pp. 1736-1739. ISSN 02555476 http://www.scientific.net/MSF.654-656.1736 10.4028/www.scientific.net/MSF.654-656.1736
institution Universiti Islam Antarabangsa Malaysia
building IIUM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider International Islamic University Malaysia
content_source IIUM Repository (IREP)
url_provider http://irep.iium.edu.my/
language English
topic TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics Nuclear engineering
Teh, Sooh Hian
Yaacob, Iskandar Idris
The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films
description Iron-Platinum (Fe-Pt) and Cobalt-Iron-Platinum (Co-Fe-Pt) nanocrystalline thin films were deposited on brass substrates using a single bath electrodeposition system. The effects of addition of various concentrations of cobalt towards the composition, crystallographic structure, microstructure and magnetic properties of the Fe-Pt alloy films were investigated. Ammonium tartrate and ammonia solution were used as complex forming additives to stabilize the Fe2+ and Co2+ ions and to enhance co-deposition with platinum complexes. The as-synthesized thin films were characterized by energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), scanning electron microscopy (SEM) and alternating gradient magnetometry (AGM). EDS results showed that cobalt was preferentially deposited compared to iron during Co-Fe-Pt film electrodeposition. SEM results showed that the microstructure of the films consisted of spherical granules. XRD showed formation of disordered face-centered cubic (fcc) Fe-Pt phase and all peaks were shifted to slightly higher diffraction angles with increasing cobalt content. The average crystallite size calculated from XRD peak broadening varied from 2.33nm to 6.54nm. The saturation magnetization and coercivity increased with increasing cobalt content. © (2010) Trans Tech Publications.
format Article
author Teh, Sooh Hian
Yaacob, Iskandar Idris
author_facet Teh, Sooh Hian
Yaacob, Iskandar Idris
author_sort Teh, Sooh Hian
title The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films
title_short The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films
title_full The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films
title_fullStr The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films
title_full_unstemmed The effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films
title_sort effect of cobalt addition on structural and magnetic properties of electrodeposited iron-platinum nanocrystalline thin films
publisher Trans Tech Publications
publishDate 2010
url http://irep.iium.edu.my/16414/1/The_Effect_of_Cobalt_Addition_on_Structural_and_Magnetic_Properties.pdf
http://irep.iium.edu.my/16414/
http://www.scientific.net/MSF.654-656.1736
_version_ 1643607128826445824
score 13.211869

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