New concept of a semi-superconducting magnet

Kazuo Watanabe, Mitsuhiro Motokawa

Research output: Contribution to journalConference article

8 Citations (Scopus)

Abstract

Superconducting power applications are based on the zero resistance. The critical current densities for traditional low temperature superconductors obtained in a very sharp boundary between the superconducting and the normal state have surely indicated the critical applications under the zero resistance state. In high temperature superconductors, the critical current density derived from the usual criterion accompanies the finite resistivity of around 10-11 Ω·cm. From a viewpoint of power applications, such a low resistive state should be distinguished from the superconducting state. We call the stable low resistive state the semi-superconductivity. As a semi-superconducting application, a semi-superconducting Bitter magnet is introduced using Bi2Sr2CaCu2O8 disks.

Original languageEnglish
Pages (from-to)2320-2323
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume11
Issue number1 II
DOIs
Publication statusPublished - 2001 Mar 1
Event2000 Applied Superconductivity Conference - Virginia Beach, VA, United States
Duration: 2000 Sep 172000 Sep 22

Keywords

  • Flux flow resistivity
  • High temperature superconductor
  • Semi-superconductivity

ASJC Scopus subject areas

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

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