Far-infrared transmission study of single-crystal Bi sub 2 Sr sub 2 Ca sub 1 Cu sub 2 O sub x superconductors
Journal Article
·
· Physical Review Letters; (USA)
- Department of Physics, State University of New York, Stony Brook, NY (USA) Department of Physics, University of Florida, Gainesville, FL (USA) National Synchroton Light Source, Brookhaven National Laboratory, Upton, NY (USA)
We report the infrared transmission of free-standing single crystals of the high-temperature superconductor Bi{sub 2}Sr{sub 2}Ca{sub 1}Cu{sub 2}O{sub {ital x}}, at temperatures between 25 and 300 K and at frequencies covering the range of 1.5{ital k}{sub {ital B}T{ital c}}{l angle}{h bar}{omega}{lt}12{ital k}{sub {ital B}T{ital c}}. The normal-state Drude relaxation rate follows a linear temperature dependence {h bar}/{tau}=3{ital k}{sub {ital B}T}. In the superconducting state there is no indication of a transmission peak, which characterizes a superconducting gap in the optical conductivity. We suggest that a strong pair-breaking interaction is responsible for this null result.
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6281054
- Journal Information:
- Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 65:15; ISSN PRLTA; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
DATA
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
FAR INFRARED RADIATION
FREQUENCY DEPENDENCE
FREQUENCY RANGE
HIGH-TC SUPERCONDUCTORS
INFORMATION
INFRARED RADIATION
INFRARED SPECTRA
LOW TEMPERATURE
MEDIUM TEMPERATURE
MONOCRYSTALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
RADIATIONS
RELAXATION
SPECTRA
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
VERY LOW TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
DATA
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
FAR INFRARED RADIATION
FREQUENCY DEPENDENCE
FREQUENCY RANGE
HIGH-TC SUPERCONDUCTORS
INFORMATION
INFRARED RADIATION
INFRARED SPECTRA
LOW TEMPERATURE
MEDIUM TEMPERATURE
MONOCRYSTALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
RADIATIONS
RELAXATION
SPECTRA
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
VERY LOW TEMPERATURE