Pinning in twin boundaries of YBa sub 2 Cu sub 3 O sub 7-. delta. single crystals

Conference · Sun Dec 31 23:00:00 EST 1989

OSTI ID:6281039

Kwok, W K; Welp, U; Vandervoort, K G; Crabtree, G W ^[1]; Liu, J Z ^[2]; Brooks, J; Hettinger, J; Hannahs, S T ^[3]; Fleshler, S ^[4]

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1. Argonne National Lab., IL (USA)
2. California Univ., Davis, CA (USA). Dept. of Physics
3. Boston Univ., MA (USA). Dept. of Physics
4. Argonne National Lab., IL (USA) Purdue Univ., Lafayette, IN (USA)

We present direct observation of Lorentz force induced flux motion and pinning by twin boundaries in single crystal YBa{sub 2}Cu{sub 3}O{sub 7 {minus}{delta}}. From AC magnetoresistance measurements, we derive the effective pinning potential attributed to twin boundaries. 7 refs., 3 figs.

• Research Organization: Argonne National Lab., IL (USA)
• Sponsoring Organization: DOE/ER; NSF
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 6281039
• Report Number(s): CONF-900817-3; ON: DE91006019; CNN: STC-8809854
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
ARRHENIUS EQUATION
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EQUATIONS
MAGNETIC FLUX
MAGNETORESISTANCE
MONOCRYSTALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SUPERCONDUCTIVITY
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES