Systematic variation of magnetic-field penetration depth in high-T/sub c/ superconductors studied by muon-spin relaxation
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The muon-spin relaxation rate sigma has been measured in the high-T/sub c/ superconductors YBa/sub 2/Cu/sub 3/O/sub x/ for x = 6.66, 6.95, 7.0, and La/sub 1.85/Sr/sub 0.15/CuO/sub 4/ in transverse external magnetic fields approx.1--4 kG. We find a simple relation which connects transition temperature T/sub c/, the magnetic-field penetration depth lambda/sub L/, the carrier concentration n/sub s/, and the effective mass m/sup */ as T/sub c/proportionalsigmaproportional1/lambda/sub L//sup 2/proportionaln/sub s//m/sup */. The linear dependence T/sub c/proportionaln/sub s//m/sup */ suggests a high-energy scale for the coupling between superconducting carriers.
- Research Organization:
- Brookhaven National Laboratory, Upton, New York 11973
- OSTI ID:
- 7032148
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 38:1; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
Similar Records
Muon spin relaxation studies on high-T/sub C/ superconductors and related antiferromagnets (invited)
Magnetic field penetration depth of La/sub 1. 85/Sr/sub 0. 15/CuO/sub 4/ measured by muon spin relaxation
Universal correlations between T/sub c/ and n/sub s//m (carrier density over effective mass) in high-T/sub c/ cuprate superconductors
Journal Article
·
Mon Nov 14 23:00:00 EST 1988
· J. Appl. Phys.; (United States)
·
OSTI ID:6749294
Magnetic field penetration depth of La/sub 1. 85/Sr/sub 0. 15/CuO/sub 4/ measured by muon spin relaxation
Journal Article
·
Fri May 01 00:00:00 EDT 1987
· Phys. Rev. B: Condens. Matter; (United States)
·
OSTI ID:6093576
Universal correlations between T/sub c/ and n/sub s//m (carrier density over effective mass) in high-T/sub c/ cuprate superconductors
Journal Article
·
Mon May 08 00:00:00 EDT 1989
· Phys. Rev. Lett.; (United States)
·
OSTI ID:6182621
Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CARRIER DENSITY
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
EFFECTIVE MASS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
LOW TEMPERATURE
MAGNETIC FIELDS
MASS
MATERIALS
MEDIUM TEMPERATURE
MUON SPIN RELAXATION
OXIDES
OXYGEN COMPOUNDS
PENETRATION DEPTH
PHYSICAL PROPERTIES
POWDERS
RELAXATION
SCALING LAWS
SINTERED MATERIALS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CARRIER DENSITY
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
EFFECTIVE MASS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
LOW TEMPERATURE
MAGNETIC FIELDS
MASS
MATERIALS
MEDIUM TEMPERATURE
MUON SPIN RELAXATION
OXIDES
OXYGEN COMPOUNDS
PENETRATION DEPTH
PHYSICAL PROPERTIES
POWDERS
RELAXATION
SCALING LAWS
SINTERED MATERIALS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES