Transport critical current density of Bi1.6Pb0.4Sr2Ca2Cu3O10)/ag superconductor tapes with addition of 50 and 70 nm MgO

Nabil A A Yahya, Roslan Abd. Shukor

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Abstract

MgO nanoparticles with average particle size 50 and 70 nm were added into Bi1.6Pb0.4Sr2Ca2Cu3O10)(MgO)x/Ag superconductor tapes and sintered at 845 °C for 50 and 100 h. The effect of sintering time on the transport critical current density (Jc) was investigated. Jc of the tapes were measured in zero-field between 30 and 77 K and under magnetic fields at 77 K. The phase and microstructure of the tapes were examined by X-ray diffraction method and scanning electron microscopy, respectively. All tapes showed plate-like grains and a larger plate-like grain was observed in the tapes sintered for 100 h. Jc of the MgO added tapes was higher than those of the non-added tapes. Jc of the non-added tape sintered for 100 h was 10820 A/cm2 at 30 K and 1262 A/cm2 at 77 K. Jc of the tapes sintered for 100 h was higher than the tapes sintered for 50 h. The 50 nm MgO added tapes showed a higher Jc than the 70 nm MgO added tapes. Jc for the 100 h sintered MgO (50 nm) added tape was 22710 and 3070 A/cm2 at 30 and 77 K, respectively which are higher than that of the 100 h sintered MgO (70 nm) added tape. The improved Jc was attributed to the increase in flux pinning potential and improvement in the microstructure due to the addition of nano-sized MgO. This work showed the importance of the size of the added nanoparticles to the transport current properties of these superconductors.

Original languageEnglish
Pages (from-to)3633-3642
Number of pages10
JournalInternational Journal of Electrochemical Science
Volume11
Issue number5
DOIs
Publication statusPublished - 1 May 2016

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Critical current density (superconductivity)
Tapes
Superconducting materials
Nanoparticles
Flux pinning
Microstructure

Keywords

  • Flux pinning
  • NaNo MgO
  • Size effect
  • Transport critical current density

ASJC Scopus subject areas

  • Electrochemistry

Cite this

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title = "Transport critical current density of Bi1.6Pb0.4Sr2Ca2Cu3O10)/ag superconductor tapes with addition of 50 and 70 nm MgO",
abstract = "MgO nanoparticles with average particle size 50 and 70 nm were added into Bi1.6Pb0.4Sr2Ca2Cu3O10)(MgO)x/Ag superconductor tapes and sintered at 845 °C for 50 and 100 h. The effect of sintering time on the transport critical current density (Jc) was investigated. Jc of the tapes were measured in zero-field between 30 and 77 K and under magnetic fields at 77 K. The phase and microstructure of the tapes were examined by X-ray diffraction method and scanning electron microscopy, respectively. All tapes showed plate-like grains and a larger plate-like grain was observed in the tapes sintered for 100 h. Jc of the MgO added tapes was higher than those of the non-added tapes. Jc of the non-added tape sintered for 100 h was 10820 A/cm2 at 30 K and 1262 A/cm2 at 77 K. Jc of the tapes sintered for 100 h was higher than the tapes sintered for 50 h. The 50 nm MgO added tapes showed a higher Jc than the 70 nm MgO added tapes. Jc for the 100 h sintered MgO (50 nm) added tape was 22710 and 3070 A/cm2 at 30 and 77 K, respectively which are higher than that of the 100 h sintered MgO (70 nm) added tape. The improved Jc was attributed to the increase in flux pinning potential and improvement in the microstructure due to the addition of nano-sized MgO. This work showed the importance of the size of the added nanoparticles to the transport current properties of these superconductors.",
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T1 - Transport critical current density of Bi1.6Pb0.4Sr2Ca2Cu3O10)/ag superconductor tapes with addition of 50 and 70 nm MgO

AU - Yahya, Nabil A A

AU - Abd. Shukor, Roslan

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N2 - MgO nanoparticles with average particle size 50 and 70 nm were added into Bi1.6Pb0.4Sr2Ca2Cu3O10)(MgO)x/Ag superconductor tapes and sintered at 845 °C for 50 and 100 h. The effect of sintering time on the transport critical current density (Jc) was investigated. Jc of the tapes were measured in zero-field between 30 and 77 K and under magnetic fields at 77 K. The phase and microstructure of the tapes were examined by X-ray diffraction method and scanning electron microscopy, respectively. All tapes showed plate-like grains and a larger plate-like grain was observed in the tapes sintered for 100 h. Jc of the MgO added tapes was higher than those of the non-added tapes. Jc of the non-added tape sintered for 100 h was 10820 A/cm2 at 30 K and 1262 A/cm2 at 77 K. Jc of the tapes sintered for 100 h was higher than the tapes sintered for 50 h. The 50 nm MgO added tapes showed a higher Jc than the 70 nm MgO added tapes. Jc for the 100 h sintered MgO (50 nm) added tape was 22710 and 3070 A/cm2 at 30 and 77 K, respectively which are higher than that of the 100 h sintered MgO (70 nm) added tape. The improved Jc was attributed to the increase in flux pinning potential and improvement in the microstructure due to the addition of nano-sized MgO. This work showed the importance of the size of the added nanoparticles to the transport current properties of these superconductors.

AB - MgO nanoparticles with average particle size 50 and 70 nm were added into Bi1.6Pb0.4Sr2Ca2Cu3O10)(MgO)x/Ag superconductor tapes and sintered at 845 °C for 50 and 100 h. The effect of sintering time on the transport critical current density (Jc) was investigated. Jc of the tapes were measured in zero-field between 30 and 77 K and under magnetic fields at 77 K. The phase and microstructure of the tapes were examined by X-ray diffraction method and scanning electron microscopy, respectively. All tapes showed plate-like grains and a larger plate-like grain was observed in the tapes sintered for 100 h. Jc of the MgO added tapes was higher than those of the non-added tapes. Jc of the non-added tape sintered for 100 h was 10820 A/cm2 at 30 K and 1262 A/cm2 at 77 K. Jc of the tapes sintered for 100 h was higher than the tapes sintered for 50 h. The 50 nm MgO added tapes showed a higher Jc than the 70 nm MgO added tapes. Jc for the 100 h sintered MgO (50 nm) added tape was 22710 and 3070 A/cm2 at 30 and 77 K, respectively which are higher than that of the 100 h sintered MgO (70 nm) added tape. The improved Jc was attributed to the increase in flux pinning potential and improvement in the microstructure due to the addition of nano-sized MgO. This work showed the importance of the size of the added nanoparticles to the transport current properties of these superconductors.

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