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PHYSICAL PROPERTIES OF THIN FILMS OF HIGH TC SUPERCONDUCTING OXIDES OF THE YBA2 Cu3 O7 FAMILY

Objective



The physical properties of well characterized, either textured or epitaxial thin films of high Tc superconducting oxides of the YBa2Cu3O7 family, will be studied. Transport properties, including thermopower and upper critical fields, will be measured with special emphasis on anisotropy. Meissner effect and magnetic properties will be explored. The electronic states and correlation effects will be studied by means of different spectroscopies. Surface resistance as well as the energy gap will be obtained from microwave measurements in superconducting cavities. Isotopic exchange (18 O) phenomena will also be studied. Finally, preliminary measurements of tunneling properties of junctions will be performed. Theoretical support will be provided in relation with low dimensionality and with phenomenalogical aspects of flux penetration.

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Address
Avenue Des Martyrs 25
38042 Grenoble
France

Participants (5)

BERGISCHE UNIVERSITAET GESAMTHOCHSCHULE WUPPERTAL
Germany
Address
Gauss Strasse 20
42097 Wuppertal
FORSCHUNGSZENTRUM JUELICH GMBH
Germany
Address
Wilhelm Johnen Strasse
52425 Juelich
NATIONAL LABORATORY FOR ENGINEERING AND INDUSTRIAL TECHNOLOGY
Portugal
Address
Estrada Do Paco Do Lumiar 22
1649-038 Lisboa
UNIVERSITE DE PARIS VII DENIS DIDEROT
France
Address
Place Jussieu 2
Paris
UNIVERSITÀ DEGLI STUDI DI ROMA TOR VERGATA
Italy
Address
Via Della Ricerca Scientifica, 1 Edificio Sogene
00133 Roma