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 YBa Cuâ‚‚O7 x Superconductors 26 | 26 |
Electronic Structure | 44 |
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absorption annealing Appl atoms BaCuO band BCS theory behaviour BSCCO bulk ceramic composition compounds correlation corresponding critical current density critical temperature crystal growth Cu-O Cu2+ curves decrease deposition diamagnetic diffraction Dipartimento doping effect electron EXAFS experimental data Fisica flux creep fluxoid fluxons frequency Gauss Genova gradient grains granular heat high Tc high temperature high temperature superconductors holes increase interaction ions Italy Josephson junctions lattice layers Lett levitation liquid magnetic field materials maximum measurements observed obtained orthorhombic oxides oxygen oxygen content oxygen stoichiometry pairing parameters peak pellets peritectic perovskite phonon Phys Physica pinning energy plane powder present properties renormalization reported resistivity sample shown shows single crystals sintered spectra spectrum spin stoichiometry structure substitution substrate superconducting surface susceptibility temperature dependence thermal thin films transition tunneling values X-ray YBCO zero