Temperature dependence of the phonon structure in the high-temperature superconductor Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 studied by infrared reflectance spectroscopy
Journal Article
·
· Physical Review, B: Condensed Matter; (USA)
- Department of Physics, University of Florida, Gainesville, Florida 32611 (USA)
- Bell Communications Research, Red Bank, New Jersey 07701 (USA)
We have investigated a ceramic sample of the high-temperature superconductor Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8} ({ital T}{sub {ital c}}=85 K) by infrared and visible reflectance spectroscopy at several temperatures both below and above the superconducting transition. We find that the temperature variation in the vibrational region is associated with minima or antiresonance features of the optical conductivity, instead of maxima, indicating strong Fano-type electron-phonon interaction and implying that the phonon structure in the infrared is strongly affected by the {ital ab}-plane response.
- OSTI ID:
- 5561591
- Journal Information:
- Physical Review, B: Condensed Matter; (USA), Journal Name: Physical Review, B: Condensed Matter; (USA) Vol. 43:13; ISSN 0163-1829; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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·
OSTI ID:632625
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
ELECTRON-PHONON COUPLING
FANO FACTOR
HIGH-TC SUPERCONDUCTORS
INFRARED SPECTRA
LATTICE VIBRATIONS
LOW TEMPERATURE
MEDIUM TEMPERATURE
MINERALS
OPTICAL PROPERTIES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PEROVSKITE
PEROVSKITES
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
SPECTRA
SPECTRAL REFLECTANCE
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VERY LOW TEMPERATURE
VISIBLE SPECTRA
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRON-PHONON COUPLING
FANO FACTOR
HIGH-TC SUPERCONDUCTORS
INFRARED SPECTRA
LATTICE VIBRATIONS
LOW TEMPERATURE
MEDIUM TEMPERATURE
MINERALS
OPTICAL PROPERTIES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PEROVSKITE
PEROVSKITES
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
SPECTRA
SPECTRAL REFLECTANCE
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VERY LOW TEMPERATURE
VISIBLE SPECTRA