Observation of current distribution in high-tc superconducting tape using scanning hall-probe microscope

Masayoshi Inoue; Kenji Abiru; Yoshihiro Honda; Takanobu Kiss; Yasuhiro Iijima; Kazuomi Kakimoto; Takashi Saitoh; Koichi Nakao; Yuh Shiohara

doi:10.1109/TASC.2009.2018148

Observation of current distribution in high-t_c superconducting tape using scanning hall-probe microscope

Masayoshi Inoue, Kenji Abiru, Yoshihiro Honda, Takanobu Kiss, Yasuhiro Iijima, Kazuomi Kakimoto, Takashi Saitoh, Koichi Nakao, Yuh Shiohara

Section of Measurement and Control Engineering

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

We have carried out observations of current flow in processed RE123 coated conductors using a scanning Hall-probe microscope. Using this system, the position of defects and the resulting disturbed current flow could be observed. The two-dimensional current distribution in a 10-filament formed coated conductor (400 /im width and 100 /im space) was also investigated. Current sharing and the current distribution in each filament were quantitatively estimated. Furthermore, current penetration in quasi-static AC current mode was also measured

Original language	English
Article number	5153154
Pages (from-to)	2847-2850
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	19
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2009.2018148
Publication status	Published - Jun 2009

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2009.2018148

Cite this

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title = "Observation of current distribution in high-tc superconducting tape using scanning hall-probe microscope",

abstract = "We have carried out observations of current flow in processed RE123 coated conductors using a scanning Hall-probe microscope. Using this system, the position of defects and the resulting disturbed current flow could be observed. The two-dimensional current distribution in a 10-filament formed coated conductor (400 /im width and 100 /im space) was also investigated. Current sharing and the current distribution in each filament were quantitatively estimated. Furthermore, current penetration in quasi-static AC current mode was also measured",

author = "Masayoshi Inoue and Kenji Abiru and Yoshihiro Honda and Takanobu Kiss and Yasuhiro Iijima and Kazuomi Kakimoto and Takashi Saitoh and Koichi Nakao and Yuh Shiohara",

note = "Funding Information: Manuscript received August 27, 2008; revised January 12, 2009. First published June 30, 2009; current version published July 15, 2009. This work was supported in part by the New Energy and Industrial Technology Development Organization (NEDO) as the Project for Development of Materials & Power Application of Coated Conductors, M-PACC and also by JSPS: KAKENHI (20360143).",

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AU - Inoue, Masayoshi

AU - Abiru, Kenji

AU - Honda, Yoshihiro

AU - Kiss, Takanobu

AU - Iijima, Yasuhiro

AU - Kakimoto, Kazuomi

AU - Saitoh, Takashi

AU - Nakao, Koichi

AU - Shiohara, Yuh

N1 - Funding Information: Manuscript received August 27, 2008; revised January 12, 2009. First published June 30, 2009; current version published July 15, 2009. This work was supported in part by the New Energy and Industrial Technology Development Organization (NEDO) as the Project for Development of Materials & Power Application of Coated Conductors, M-PACC and also by JSPS: KAKENHI (20360143).

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N2 - We have carried out observations of current flow in processed RE123 coated conductors using a scanning Hall-probe microscope. Using this system, the position of defects and the resulting disturbed current flow could be observed. The two-dimensional current distribution in a 10-filament formed coated conductor (400 /im width and 100 /im space) was also investigated. Current sharing and the current distribution in each filament were quantitatively estimated. Furthermore, current penetration in quasi-static AC current mode was also measured

AB - We have carried out observations of current flow in processed RE123 coated conductors using a scanning Hall-probe microscope. Using this system, the position of defects and the resulting disturbed current flow could be observed. The two-dimensional current distribution in a 10-filament formed coated conductor (400 /im width and 100 /im space) was also investigated. Current sharing and the current distribution in each filament were quantitatively estimated. Furthermore, current penetration in quasi-static AC current mode was also measured

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Observation of current distribution in high-t_c superconducting tape using scanning hall-probe microscope

Abstract

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