Low-field flux pinning in twinned and detwinned single crystals of YBa sub 2 Cu sub 3 O sub 7 minus x

Low-field flux pinning in twinned and detwinned single crystals of YBa sub 2 Cu sub 3 O sub 7 minus x

Flux trapping in single crystals of YBa{sub 2}Cu{sub 3}O{sub 7{minus}{ital x}} before and after twin removal has been measured for vortices parallel and perpendicular to the {ital c} axis. The results show clearly that, for low applied magnetic fields, twins contribute significantly to flux pinning...

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Veröffentlicht in:Applied physics letters 1991-04, Vol.58:14
Hauptverfasser: Swartzendruber, L.J., Kaiser, D.L., Gayle, F.W., Bennett, L.H., Roytburd, A.
Format: Artikel
Sprache:eng
Schlagworte:
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HIGH-TC SUPERCONDUCTORS
MAGNETIC FLUX
MATERIALS SCIENCE
MONOCRYSTALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
TWINNING
YTTRIUM COMPOUNDS 360204 > Ceramics, Cermets, & Refractories-- Physical Properties
YTTRIUM OXIDES
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Beschreibung
Zusammenfassung:Flux trapping in single crystals of YBa{sub 2}Cu{sub 3}O{sub 7{minus}{ital x}} before and after twin removal has been measured for vortices parallel and perpendicular to the {ital c} axis. The results show clearly that, for low applied magnetic fields, twins contribute significantly to flux pinning over the temperature range 60 to 85 K when the vortices are parallel to the twin boundaries (i.e., parallel to the {ital c} axis).
ISSN:0003-6951
1077-3118
DOI:10.1063/1.105180