Abstract
We have measured the magnetic field and the levitation force of a bulk Y-Ba-Cu-O superconductor in varying the external field with a Bi-Sr-Ca-Cu-O superconducting magnet. The height dependence of the levitation force could well be explained in terms of the field gradient in the sample and the radial component of the external magnetic field. The field gradient also induces the trapped field and decreases the levitation force. The experimental data showed a deviation from the theoretical value when the levitation process was repeated.
| Original language | English |
|---|---|
| Pages (from-to) | 3651-3654 |
| Number of pages | 4 |
| Journal | IEEE Transactions on Applied Superconductivity |
| Volume | 13 |
| Issue number | 2 III |
| DOIs | |
| Publication status | Published - 2003 Jun 1 |
| Event | 2002 Applied Superconductivity Conference - Houston, TX, United States Duration: 2002 Aug 4 → 2002 Aug 9 |
Keywords
- External field
- Levitation force
- Magnetic field distribution
- YBCO bulk
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering
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Cite this
Yamachi, N., Nishikawa, T., Sawa, K., & Murakami, M. (2003). Measurements of magnetic fields and levitation forces of bulk superconductors. IEEE Transactions on Applied Superconductivity, 13(2 III), 3651-3654. https://doi.org/10.1109/TASC.2003.812421