Silva, C.
and McHenry, M.
(2008),
Measurement and Interpretation of AC Susceptibility and Loss in High Temperature Superconductors, Journal of Magnetism and Magnetic Materials
(Accessed October 14, 2024)
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Measurement and Interpretation of AC Susceptibility and Loss in High Temperature Superconductors
Published
Author(s)
, M E. McHenry
Abstract
Intrinsic and hysteretic AC losses were investigated in high temperature superconductors. AC susceptibility was measured as a function of magnetic field, frequency, temperature and field history. Three types of loss mechanisms were observed and each associated with a different loss peak on the imaginary component of the AC susceptibility: the intrinsic, the intergranular and the intragranular peaks. The peaks are observed to hcange systematically with temperature and magnetic field. Both polycrystalline and single crystals were investigated. YBCO polycrystalline samples were prepared by three different techniques: solid state synthesis (SSS), melt-process melt-growth (MPMG) and freeze-dried and studied both as bulk and powder samples. LSCO and BSCCO-2223 single crystals were studied and their results were compared to the results obtained from the polycrystalline samples.Citation
Journal of Magnetism and Magnetic Materials
Pub Type
Journals
Keywords
anisotropy, magnetic coupling, superconductivity-high-Tc, susceptibility-ac
Citation
Issues
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Created October 16, 2008