It is shown that the observed ac loss in a cylindrical (Bi,\_xPbx)2Sr2Ca2Cu.~Oy (Bi-2223) bulk superconductor with the diameter of 9.6mm in the ac magnetic field depends on the frequency of ac field contradicting the conventional theory based on the critical state model. The numerical simulation of
Frequency behavior of the AC magnetic response in bulk and powders
β Scribed by Massimiliano Polichetti; Danilo Zola; Janlin Luo; G.F. Chen; Zheng Li; N.L. Wang; Canio Noce; Sandro Pace
- Book ID
- 108240115
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 279 KB
- Volume
- 470
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
Magnetic response of an intermetallic bulk superconductor MgB 2 was carried out by use of ac susceptibility and ac magnetization measurements. The theoretical model calculations corresponding to the measurements were obtained employing the Anderson-Kim model. The measured susceptibilities, ), as a
The third harmonics of the ac susceptibility v 3 of MgB 2 bulk samples have been measured in the frequency range 61-1070 Hz as a function of the temperature for different applied dc magnetic fields. The irreversibility line (T irr versus H dc ) deduced from the temperature onsets of v 3 for each fie
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