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Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide

The effect of nanoparticle praseodymium oxides (Pr2O3) and graphene oxides (GO) addition on the critical current density, Jc of YBa2Cu3O7-δ was studied. Both nanoparticles added acted as pinning center to enhance the transport critical current density (Jc). YBa2Cu3O7-δ superconductor was prepared...

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Main Author: Baharuddin, Nur Atikah
Format: Thesis
Language:English
Published: 2017
Subjects:
Superconductors
High temperature superconductors
Copper oxide superconductors
Online Access:http://psasir.upm.edu.my/id/eprint/104069/1/FS%202018%20112%20IR.pdf
http://psasir.upm.edu.my/id/eprint/104069/
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spelling my.upm.eprints.1040692023-07-07T02:34:28Z http://psasir.upm.edu.my/id/eprint/104069/ Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide Baharuddin, Nur Atikah The effect of nanoparticle praseodymium oxides (Pr2O3) and graphene oxides (GO) addition on the critical current density, Jc of YBa2Cu3O7-δ was studied. Both nanoparticles added acted as pinning center to enhance the transport critical current density (Jc). YBa2Cu3O7-δ superconductor was prepared by co-precipitation method with addition of Pr2O3 are 0.00, 0.02, 0.03, 0.04 and 0.05, while addition of GO are 0.0, 0.1, 0.2, 0.3, 0.4 and 0.5 weight percentage (wt.%). Co-precipitation process is based upon a simple control of the chemistry of the cation solution and precipitation with oxalic acid. The effect of nanoparticles addition on electrical superconducting properties (Tc and Jc), phase formation and structural properties, microstructure and surface morphology including the elemental distribution analysis were studied. YBa2Cu3O7-δ with Pr2O3 nanoparticle addition showed a maximal value of Tc at 82 K for 0.01 wt % addition and give smallest grain sizes 0.38 μm. However, Jc shows improvements in Pr2O3 addition of 0.03 wt.% with the highest Jc, 9678 A/cm2. YBa2Cu3O7-δ with GO nanoparticle showed an improvement value of Tc when GO added wt.% increase to 0.5 wt.%, 88 K. However, YBa2Cu3O7-δ added with GO give a vice versa results in Jc, which has a lower Jc than YBa2Cu3O7-δ with Pr2O3 nanoparticles addition. X-ray Diffraction (XRD), showed Y-123 phase exist in all samples which proves by the XRD and Energy Dispersive X-rays (EDX) profiling. Both nanoparticles added in YBa2Cu3O7-δ show increased values of Tc and Jc towards the optimum wt. % of addition and decreased after further addition of nanoparticles. 2017-01 Thesis NonPeerReviewed text en http://psasir.upm.edu.my/id/eprint/104069/1/FS%202018%20112%20IR.pdf Baharuddin, Nur Atikah (2017) Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide. Masters thesis, Universiti Putra Malaysia. Superconductors High temperature superconductors Copper oxide superconductors
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
topic Superconductors
High temperature superconductors
Copper oxide superconductors
spellingShingle Superconductors
High temperature superconductors
Copper oxide superconductors
Baharuddin, Nur Atikah
Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide
description The effect of nanoparticle praseodymium oxides (Pr2O3) and graphene oxides (GO) addition on the critical current density, Jc of YBa2Cu3O7-δ was studied. Both nanoparticles added acted as pinning center to enhance the transport critical current density (Jc). YBa2Cu3O7-δ superconductor was prepared by co-precipitation method with addition of Pr2O3 are 0.00, 0.02, 0.03, 0.04 and 0.05, while addition of GO are 0.0, 0.1, 0.2, 0.3, 0.4 and 0.5 weight percentage (wt.%). Co-precipitation process is based upon a simple control of the chemistry of the cation solution and precipitation with oxalic acid. The effect of nanoparticles addition on electrical superconducting properties (Tc and Jc), phase formation and structural properties, microstructure and surface morphology including the elemental distribution analysis were studied. YBa2Cu3O7-δ with Pr2O3 nanoparticle addition showed a maximal value of Tc at 82 K for 0.01 wt % addition and give smallest grain sizes 0.38 μm. However, Jc shows improvements in Pr2O3 addition of 0.03 wt.% with the highest Jc, 9678 A/cm2. YBa2Cu3O7-δ with GO nanoparticle showed an improvement value of Tc when GO added wt.% increase to 0.5 wt.%, 88 K. However, YBa2Cu3O7-δ added with GO give a vice versa results in Jc, which has a lower Jc than YBa2Cu3O7-δ with Pr2O3 nanoparticles addition. X-ray Diffraction (XRD), showed Y-123 phase exist in all samples which proves by the XRD and Energy Dispersive X-rays (EDX) profiling. Both nanoparticles added in YBa2Cu3O7-δ show increased values of Tc and Jc towards the optimum wt. % of addition and decreased after further addition of nanoparticles.
format Thesis
author Baharuddin, Nur Atikah
author_facet Baharuddin, Nur Atikah
author_sort Baharuddin, Nur Atikah
title Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide
title_short Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide
title_full Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide
title_fullStr Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide
title_full_unstemmed Improvement of critical current density in YBa2Cu3O7-δ superconductor added with Pr2O3 and graphene oxide
title_sort improvement of critical current density in yba2cu3o7-δ superconductor added with pr2o3 and graphene oxide
publishDate 2017
url http://psasir.upm.edu.my/id/eprint/104069/1/FS%202018%20112%20IR.pdf
http://psasir.upm.edu.my/id/eprint/104069/
_version_ 1772813447633829888
score 13.211869

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