Magneto-optical imaging and transport properties of FeSe superconducting tapes prepared by the diffusion method

Qing Ping Ding; Shyam Mohan; Yuji Tsuchiya; Toshihiro Taen; Yasuyuki Nakajima; Tsuyoshi Tamegai

doi:10.1088/0953-2048/25/2/025003

Magneto-optical imaging and transport properties of FeSe superconducting tapes prepared by the diffusion method

Qing Ping Ding, Shyam Mohan, Yuji Tsuchiya, Toshihiro Taen, Yasuyuki Nakajima, Tsuyoshi Tamegai

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

31 Citations (Scopus)

Abstract

FeSe tapes have been prepared by using a diffusion method. By adjusting the reaction temperature and the thickness systematically, a transport critical current density as high as 600Acm ² at 4.2K under self-field is achieved. Magneto-optical images indicate considerable distribution of T _c and weak-link features in the FeSe tape. This study gives some insight into how to further improve the quality and performance of FeSe tapes and other superconducting tapes prepared through the diffusion method.

Original language	English
Article number	025003
Journal	Superconductor Science and Technology
Volume	25
Issue number	2
DOIs	https://doi.org/10.1088/0953-2048/25/2/025003
Publication status	Published - 2012 Feb
Externally published	Yes

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1088/0953-2048/25/2/025003

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AU - Ding, Qing Ping

AU - Mohan, Shyam

AU - Tsuchiya, Yuji

AU - Taen, Toshihiro

AU - Nakajima, Yasuyuki

AU - Tamegai, Tsuyoshi

PY - 2012/2

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N2 - FeSe tapes have been prepared by using a diffusion method. By adjusting the reaction temperature and the thickness systematically, a transport critical current density as high as 600Acm 2 at 4.2K under self-field is achieved. Magneto-optical images indicate considerable distribution of T c and weak-link features in the FeSe tape. This study gives some insight into how to further improve the quality and performance of FeSe tapes and other superconducting tapes prepared through the diffusion method.

AB - FeSe tapes have been prepared by using a diffusion method. By adjusting the reaction temperature and the thickness systematically, a transport critical current density as high as 600Acm 2 at 4.2K under self-field is achieved. Magneto-optical images indicate considerable distribution of T c and weak-link features in the FeSe tape. This study gives some insight into how to further improve the quality and performance of FeSe tapes and other superconducting tapes prepared through the diffusion method.

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Magneto-optical imaging and transport properties of FeSe superconducting tapes prepared by the diffusion method

Abstract

ASJC Scopus subject areas

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