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Angle-resolved critical transport-current density of YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] thin films and YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]]/PrBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] superlattices containing columnar

Journal Article · · Physical Review, B: Condensed Matter; (United States)
 [1]; ;  [2];  [3];  [4];  [5];  [2]
  1. Physikalisches Institut III, Universitaet Erlangen-Nuernberg, Erwin-Rommel-Strasse 1, W-8520 Erlangen (Germany) Siemens AG, Research Laboratories, P.O. Box 3220, W-8520 Erlangen (Germany)
  2. Physikalisches Institut III, Universitaet Erlangen-Nuernberg, Erwin-Rommel-Strasse 1, W-8520 Erlangen (Germany)
  3. Centre Interdisciplinaire de Recherches avec les Ions Lourds, B.P. 5133, F-14040 Caen CEDEX (France)
  4. Hahn-Meitner-Institut, Glienicker Strasse 100, W-1000 Berlin (Germany)
  5. Siemens AG, Research Laboratories, P.O. Box 3220, W-8520 Erlangen (Germany)
+ Show Author Affiliations

Epitaxial YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] thin films irradiated with swift heavy ions under different directions showed a strongly changed angular dependence of the critical current density [ital J][sub [ital c]]([ital B],[ital T],[var theta]) in the mixed state. Additional peaks, which dominate the angular dependence of [ital J][sub [ital c]], appear at angles where the magnetic field is parallel to the irradiation direction, due to the strong pinning of the introduced linear defects. Irradiated YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]]/PrBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] superlattices, however, reveal no additional [ital J][sub [ital c]] peaks but an isotropic [ital J][sub [ital c]] enhancement in a wide angular range. This contrary behavior could be explained by flux lines of different dimensionality.

OSTI ID:
5528517
Journal Information:
Physical Review, B: Condensed Matter; (United States), Journal Name: Physical Review, B: Condensed Matter; (United States) Vol. 48:1; ISSN 0163-1829; ISSN PRBMDO
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360206 -- Ceramics
Cermets
& Refractories-- Radiation Effects
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
ANGULAR DISTRIBUTION
ANISOTROPY
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHARGED PARTICLES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CURRENTS
DISTRIBUTION
ELECTRIC CURRENTS
ENERGY RANGE
EVEN-EVEN NUCLEI
FILMS
HEAVY NUCLEI
HIGH-TC SUPERCONDUCTORS
INTERMEDIATE MASS NUCLEI
IONS
IRRADIATION
ISOTOPES
LEAD 208
LEAD IONS
LEAD ISOTOPES
MEV RANGE
NUCLEI
OXIDES
OXYGEN COMPOUNDS
PRASEODYMIUM COMPOUNDS
PRASEODYMIUM OXIDES
RARE EARTH COMPOUNDS
STABLE ISOTOPES
SUPERCONDUCTORS
SUPERLATTICES
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
TRANSPORT THEORY
XENON 126
XENON IONS
XENON ISOTOPES
YTTRIUM COMPOUNDS
YTTRIUM OXIDES