Far-infrared optical properties of Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub 8/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The reflectance of crystals of Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub 8/ has been measured in the far-infrared region at 100 K in the normal state and at 1.5 K in the superconducting state. The normal-state optical properties are dominated at low frequency by a narrow Drude-like peak in the real part of the optical conductivity. At higher frequency there is substantial absorption above this Drude absorption that can be parametrized with two broad oscillators centered at roughly 400 and 1000 cm/sup -1/ in the optical conductivity. In the superconducting state there is a sharp reflectance edge at 300 cm/sup -1/ associated with a threshold in the real part of the optical conductivity, but it is not certain that this is a conventional energy gap.
- Research Organization:
- Institute for Materials Research, McMaster University, Hamilton, Ontario, Canada L8Schemically bond4M1
- OSTI ID:
- 6889616
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 38:16; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Sun Jul 01 00:00:00 EDT 1990
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OSTI ID:6563881
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
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ENERGY GAP
FAR INFRARED RADIATION
INFRARED RADIATION
LOW TEMPERATURE
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
REFLECTIVITY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
ULTRALOW TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ENERGY GAP
FAR INFRARED RADIATION
INFRARED RADIATION
LOW TEMPERATURE
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
REFLECTIVITY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
ULTRALOW TEMPERATURE