Imaging of trapped vortices in YBCO coated conductor by scanning SQUID microscope

Masayoshi Inoue, Takanobu Kiss, S. Koyanagi, K. Imamura, M. Takeo, Y. Iijima, K. Kakimoto, T. Saitoh, Junko Matsuda, Y. Tokunaga, T. Izumi, Y. Shiohara

研究成果: ジャーナルへの寄稿Conference article

2 引用 (Scopus)

抄録

We investigated trapped vortices in Y1Ba2Cu 3O7-δ (YBCO) coated conductor by using a scanning SQUID microscope (SSM). Several peculiar properties of the vortices were observed such as a large bundle of vortices at a certain position and a coexistence of positive- and negative-sign vortices. Comparing the SSM images with that of low temperature scanning laser microscopy (LTSLM) and SEM, we identified the relationship between local dissipation and position of current blocking defect. Furthermore, regular vortex images were also observed by the SSM in the region where higher Jc has been identified by the LTSLM.

元の言語英語
ページ(範囲)1068-1072
ページ数5
ジャーナルPhysica C: Superconductivity and its Applications
426-431
発行部数II
DOI
出版物ステータス出版済み - 10 7 2005
イベントProceedings of the 17th Internatioanl Symposium on Superconductivity (ISS 2004) Advances in Superconductivity -
継続期間: 11 23 200411 25 2004

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trapped vortices
SQUIDs
Vortex flow
Microscopes
conductors
microscopes
Scanning
Imaging techniques
scanning
vortices
laser microscopy
Microscopic examination
Lasers
bundles
dissipation
Temperature
Defects
Scanning electron microscopy
scanning electron microscopy
defects

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

これを引用

Imaging of trapped vortices in YBCO coated conductor by scanning SQUID microscope. / Inoue, Masayoshi; Kiss, Takanobu; Koyanagi, S.; Imamura, K.; Takeo, M.; Iijima, Y.; Kakimoto, K.; Saitoh, T.; Matsuda, Junko; Tokunaga, Y.; Izumi, T.; Shiohara, Y.

:: Physica C: Superconductivity and its Applications, 巻 426-431, 番号 II, 07.10.2005, p. 1068-1072.

研究成果: ジャーナルへの寄稿Conference article

Inoue, M, Kiss, T, Koyanagi, S, Imamura, K, Takeo, M, Iijima, Y, Kakimoto, K, Saitoh, T, Matsuda, J, Tokunaga, Y, Izumi, T & Shiohara, Y 2005, 'Imaging of trapped vortices in YBCO coated conductor by scanning SQUID microscope', Physica C: Superconductivity and its Applications, 巻. 426-431, 番号 II, pp. 1068-1072. https://doi.org/10.1016/j.physc.2005.03.063
Inoue, Masayoshi ; Kiss, Takanobu ; Koyanagi, S. ; Imamura, K. ; Takeo, M. ; Iijima, Y. ; Kakimoto, K. ; Saitoh, T. ; Matsuda, Junko ; Tokunaga, Y. ; Izumi, T. ; Shiohara, Y. / Imaging of trapped vortices in YBCO coated conductor by scanning SQUID microscope. :: Physica C: Superconductivity and its Applications. 2005 ; 巻 426-431, 番号 II. pp. 1068-1072.
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abstract = "We investigated trapped vortices in Y1Ba2Cu 3O7-δ (YBCO) coated conductor by using a scanning SQUID microscope (SSM). Several peculiar properties of the vortices were observed such as a large bundle of vortices at a certain position and a coexistence of positive- and negative-sign vortices. Comparing the SSM images with that of low temperature scanning laser microscopy (LTSLM) and SEM, we identified the relationship between local dissipation and position of current blocking defect. Furthermore, regular vortex images were also observed by the SSM in the region where higher Jc has been identified by the LTSLM.",
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AU - Inoue, Masayoshi

AU - Kiss, Takanobu

AU - Koyanagi, S.

AU - Imamura, K.

AU - Takeo, M.

AU - Iijima, Y.

AU - Kakimoto, K.

AU - Saitoh, T.

AU - Matsuda, Junko

AU - Tokunaga, Y.

AU - Izumi, T.

AU - Shiohara, Y.

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N2 - We investigated trapped vortices in Y1Ba2Cu 3O7-δ (YBCO) coated conductor by using a scanning SQUID microscope (SSM). Several peculiar properties of the vortices were observed such as a large bundle of vortices at a certain position and a coexistence of positive- and negative-sign vortices. Comparing the SSM images with that of low temperature scanning laser microscopy (LTSLM) and SEM, we identified the relationship between local dissipation and position of current blocking defect. Furthermore, regular vortex images were also observed by the SSM in the region where higher Jc has been identified by the LTSLM.

AB - We investigated trapped vortices in Y1Ba2Cu 3O7-δ (YBCO) coated conductor by using a scanning SQUID microscope (SSM). Several peculiar properties of the vortices were observed such as a large bundle of vortices at a certain position and a coexistence of positive- and negative-sign vortices. Comparing the SSM images with that of low temperature scanning laser microscopy (LTSLM) and SEM, we identified the relationship between local dissipation and position of current blocking defect. Furthermore, regular vortex images were also observed by the SSM in the region where higher Jc has been identified by the LTSLM.

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