Proceedings of the 3rd National Meeting: High Temperature Superconductivity : Genoa, Italy, 12-14 February, 1990C. Ferdeghini, Antonio S. Siri The topics of this Conference focus on 1) the optical, electronic, thermal, elastic, magnetic, and transport properties, 2) thin films and single crystals, 3) structural properties and new materials, 4) theoretical aspects of high temperature superconductivity. |
Contents
A Mean Field Theory of CuO Layers in Superconducting Compounds | 11 |
Crystal Growth of YBa₂Cu₂O7 Superconductors 26 | 26 |
Electronic Structure | 44 |
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activation analysis annealing atoms band behaviour bulk changes composition compounds conductance corresponding critical current curves decrease density dependence described determined discussed doping effect electronic energy experimental experiments fact Fermi Figure flux frequency given gives grains growth heat higher holes increase indicate intensity interaction introduced ions Italy junctions layers Lett levitation liquid lower magnetic field materials maximum mean measurements mechanism method normal observed obtained oxides oxygen pairing parameters Parma peak peritectic phase phonon Phys Physica pinning plane possible powder prepared present properties range reduced References region reported resistivity respectively sample shown shows single crystals sintered solid spectra spectrum strong structure substitution superconducting surface temperature theoretical theory thermal transition tunneling unit values X-ray YBCO