20th Course

MATERIALS & CRYSTALLOGRAPHIC ASPECTS

OF HIGH Tc SUPERCONDUCTIVITY

May 17 to 29, 1993

Director : Emmanuel Kaldis, Zurich

List of Invited Speakers

G. Bednorz, Rueschlikon, CH (later withdrawn)
D. Brinkman, Zuerich, CH
R. Cava, Murray Hill, NJ, USA
T. Egami, Philadelphia, PA, USA
J.B. Goodenough, Austin, TX, USA
A. Hewat, Grenoble, F
D. Hohlwein, Tubingen, D
J.D. Jorgensen, Argonne, IL, USA
P.H.Kes, Leiden, NL
Y. Maeno, Hiroshima, JP
J. Mannhart, Rueschlikon, CH
M. Marezio, Grenoble, F
K.A. Muller, Zuerich, CH
M. Murakami, Tokyo, JP
B. Raveau, Caen, F
T. Schlesinger, Yorktown Heights, NY, USA
T. Schneider, Rueschlikon, CH
G. Van Tendeloo, Antwerp, B
G.V. Voronin, Moscow, RU

Topics

OVERVIEWS OF THE FIELD
Results of seven years of research and development in the fields of physical properties, structure and materials

FUNDAMENTALS OF SUPERCONDUCTIVITY
Extended summary of physical background necessary for an interdisciplinary audience

STRUCTURAL CHANGES AND CRYSTALLOGRAPHIC PHASE TRANSITIONS
Results by neutron, X-ray and electron diffraction

ELECTRONIC PROPERTIES AND BAND STRUCTURE
Transport properties, spectroscopies and high pressure effects

THERMODYNAMICS AND PHASE DIAGRAMS
Phase equilibria up to 3000 bar oxygen (P-T-x phase diagrams. Crystal growth. Thin film growth

NEW COMPOUNDS AND PHASES
Classification and crystal chemical criteria

NONOXYDE SUPERCONDUCTORS
Fullerenes

THEORETICAL MODELS
Overview of theoretical models for an interdisciplinary audience

APPLICATIONS AND THEIR PRESENT LIMITATIONS
Material treatments for high critical currents. Pinning centers. Weak links. High and low current applications