Resistivity and upper critical field of YBa[sub 2]Cu[sub 3[minus][ital x]]Fe[sub [ital x]]O[sub 7[minus][ital y]] single crystals
Journal Article
·
· Physical Review, B: Condensed Matter; (United States)
- Department of Physics, University of California, Davis, California 95616-8677 (United States)
We report the resistivity and the upper critical field [ital H][sub [ital c]2]([ital T]) of YBa[sub 2]Cu[sub 3[minus][ital x]]Fe[sub [ital x]]O[sub 7[minus][ital y]] single crystals. In the normal state, no magnetoresistivity is observed within experimental sensitivity in our measurement. The superconducting transition is broadened by the magnetic field. The upper-critical-field slope decreases as the iron composition increases. Based on these experimental results, we estimate the superconducting coherence length and the anisotropy. A possible anomalous local-pairing mechanism in these systems is suggested.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6906033
- Journal Information:
- Physical Review, B: Condensed Matter; (United States), Journal Name: Physical Review, B: Condensed Matter; (United States) Vol. 47:1; ISSN PRBMDO; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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Upper critical field H sub c 2 of single-crystal Y sub 1 minus x Pr sub x Ba sub 2 Cu sub 3 O sub 7 minus. delta
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·
OSTI ID:7306284
Related Subjects
36 MATERIALS SCIENCE
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENCE LENGTH
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL FIELD
CRYSTALS
DIMENSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
IRON COMPOUNDS
IRON OXIDES
LENGTH
MAGNETIC FIELDS
MAGNETORESISTANCE
MONOCRYSTALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENCE LENGTH
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL FIELD
CRYSTALS
DIMENSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
IRON COMPOUNDS
IRON OXIDES
LENGTH
MAGNETIC FIELDS
MAGNETORESISTANCE
MONOCRYSTALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES