The dynamic developments in high-temperature superconductivity over the last three years has augmented the importance of materials research not only for applications, but also for the understanding of underlying physical phenomena. The discovery of new superconductors has opened up new facets of High Tc research, and the perfection of already known materials has enabled reliable physical measurements to be carried out, providing a foundation for theoretical models. The papers in this volume present an overview of the recent developments in the field of High Tc-materials research. One of the highlights of this meeting was the plenary lecture by the Nobel laureate K. Alex Müller on the importance of the apical oxygen phenomena which are strongly connected with Tc changes.

Table of Contents

Contents: Sections 1: Characterization and Physical Properties of YBa2Cu3O7-x, Y2Ba4Cu7O15+x and YBa2Cu4O8. The high-Tc superconducting phases of the Y2Ba4Cu6+nO14+n family (J. Karpinski et al.). Pressure dependence of Tc and anisotropic features in the family Y2Ba4Cu6+nO14+n (n=0,1,2) (B. Bucher et al.). YBa2Cu4O8: A strong coupling high-Tc superconductor? (J. Schoenes et al.). Pressure-induced structural and electronic properties of high-Tc superconducting materials studied by neutron scattering (J. Mesot et al.). 2. Crystal Growth and Defects in Y-Ba-Cu-O Phases. Magnetic properties of mm-sized YBa2Cu3O7-x single crystals (K. Schönmann et al.). Vacancy behaviour and hole numbers in YBa2Cu3O7-x (C. Calandra, T. Minerva). 3. Thin Films and Thick Films of Y-Ba-Cu-O Phases; Multilayers. Pulsed laser deposition of high-Tc superconductor films in the ultraviolet, visible, and near-infrared range (W. Kautek et al.). Deposition of large area YBa2Cu3O7-&dgr; thin films bymagnetron sputtering (G. Wagner, H.U. Habermeier). Preparation of YBaCuO superconducting coatings by thermal spraying (J. Lacombe et al.). 4. Bi-Cuprates, Bulk. Phase diagram studies in the Bi(Pb)-Sr-Ca-Cu-O system (P. Strobel, T. Fournier). Something new and something old on the phases in the superconducting systems (I. Vasilyeva et al.). Weldability of Bi-based superconductor and flame welding method (Li Biaorong et al.). 5. Bi-Cuprates, Thin and Thick Films. Electron-beam evaporation and interface characterization of Bi2Sr


© 1990
North Holland
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