Levitation force in YBCO/Nd-Fe-B permanent magnet system

Haigun Lee, Yukikazu Iwasa

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


This paper presents an experimental study of the levitation force on a bulk high-temperature superconducting YBCO disk in liquid nitrogen above a Nd-Fe-B permanent magnet disk. The force data agree with Kordyuk's "frozen-image" model that states that levitation force is independent of YBCO disk thickness and is greater with defective YBCO disks than with defect-free YBCO disks.

Original languageEnglish
Pages (from-to)1805-1807
Number of pages3
JournalIEEE Transactions on Applied Superconductivity
Issue number1 II
Publication statusPublished - 2001 Mar
Externally publishedYes
Event2000 Applied Superconductivity Conference - Virginia Beach, VA, United States
Duration: 2000 Sept 172000 Sept 22


  • Levitation force
  • Nd-Fe-B permanent magnet
  • YBCO disk

ASJC Scopus subject areas

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


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