Comparison of the electrodynamic properties of sintered YBa/sub 2/Cu/sub 3/O/sub 7-//sub y/ and La/sub 1. 85/Sr/sub 0. 15/CuO/sub 4-//sub y/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The reflectivity in the superconducting and normal states of YBa/sub 2/Cu/sub 3/O/sub 7-//sub y/ has been reproduced with the effective-medium theory plus an anisotropic dielectric function and the Mattis-Bardeen conductivity with a gap value 2..delta../k/sub B/T/sub c/ = 2.5 to 2.7. We find that the lowest ir-active phonon polarized in the high-conductivity plane produces structure in the superconducting gap, the lowest-frequency phonon perpendicular to the plane is overdamped, and that the electronic susceptibility is more isotropic for YBa/sub 2/Cu/sub 3/O/sub 7-//sub y/ than for La/sub 1.85/Sr/sub 0.15/CuO/sub 4-//sub y/.
- Research Organization:
- Laboratory of Atomic and Solid State Physics and Materials Science Center, Cornell University, Ithaca, New York 14853-2501
- OSTI ID:
- 5530521
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 36:16; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
Similar Records
Comparison of the electrodynamic properties of sintered YBa/sub 2/Cu/sub 3/O(7-y) and La(1. 85)Sr(0. 15)CuO(4-y)
Tunneling measurements on the high-T/sub c/ superconductors La/sub 1. 85/Sr/sub 0. 15/CuO/sub 4-//sub delta/ and YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/
Temperature dependence of far-infrared difference reflectivity of YBa/sub 2/Cu/sub 3/O/sub 7-//sub y/
Technical Report
·
Mon Nov 30 23:00:00 EST 1987
·
OSTI ID:6703600
Tunneling measurements on the high-T/sub c/ superconductors La/sub 1. 85/Sr/sub 0. 15/CuO/sub 4-//sub delta/ and YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/
Journal Article
·
Wed Jul 01 00:00:00 EDT 1987
· Phys. Rev. B: Condens. Matter; (United States)
·
OSTI ID:6511504
Temperature dependence of far-infrared difference reflectivity of YBa/sub 2/Cu/sub 3/O/sub 7-//sub y/
Journal Article
·
Fri Mar 31 23:00:00 EST 1989
· Phys. Rev. B: Condens. Matter; (United States)
·
OSTI ID:6317318
Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANISOTROPY
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CORRELATIONS
DIELECTRIC PROPERTIES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRODYNAMICS
ELECTROMAGNETIC RADIATION
ENERGY GAP
INFRARED RADIATION
KRAMERS-KRONIG CORRELATION
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MATERIALS
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
RADIATIONS
RARE EARTH COMPOUNDS
REFLECTIVITY
RELAXATION TIME
SINTERED MATERIALS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANISOTROPY
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CORRELATIONS
DIELECTRIC PROPERTIES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRODYNAMICS
ELECTROMAGNETIC RADIATION
ENERGY GAP
INFRARED RADIATION
KRAMERS-KRONIG CORRELATION
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MATERIALS
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
RADIATIONS
RARE EARTH COMPOUNDS
REFLECTIVITY
RELAXATION TIME
SINTERED MATERIALS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES