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 journalArticlepeer-review

33 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 languageEnglish
Article number025003
JournalSuperconductor Science and Technology
Volume25
Issue number2
DOIs
Publication statusPublished - 2012 Feb

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