Infrared reflectivity and vibrational structure of superconducting Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub 8+//sub x/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
We report the room-temperature infrared (ir) reflectance spectrum and the Kramers-Kronig imaginary dielectric function (epsilon'') of the Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub 8+//sub x/ (2:2:1:2) superconductor (T/sub c/ = 82 K) in the 250--1000 cm/sup -1/ region. epsilon'' shows phononlike maxima at 276, 316, 347, 361, and 600 cm/sup -1/. Several spectral features are similar to those found in 1:2:3-type materials including superconducting MBa/sub 2/Cu/sub 3/O/sub 7-//sub x/ and semiconducting MBa/sub 2/Cu/sub 3/O/sub 6/ (M = Y or some rare-earth element), as expected from their closely related perovskitelike crystal structures. The correlation existing between a factor group analysis of the GAMMA point phonons in 2:2:1:2 and 1:2:3 compounds affords a tentative assignment of ir-active modes in the bismuth superconductor by comparison with reported data in 1:2:3 materials.
- Research Organization:
- Departamentos de Fisica y de Quimica, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calle 115 y 49, Casilla de Correo 67, 1900 La Plata, Argentina
- OSTI ID:
- 6151515
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 39:10; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Journal Article
·
Thu Oct 31 23:00:00 EST 1996
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·
OSTI ID:457241
Kramers-Kronig Analysis of Infrared Reflectance Spectra for Quaternary In{sub x}Al{sub y}Ga{sub 1-x-y}N Alloy
Journal Article
·
Wed Jul 07 00:00:00 EDT 2010
· AIP Conference Proceedings
·
OSTI ID:21415268
Use of Kramers-Kronig relations to extract the conductivity of high-[ital T][sub [ital c]] superconductors from optical data
Journal Article
·
Sat May 01 00:00:00 EDT 1993
· Physical Review, B: Condensed Matter; (United States)
·
OSTI ID:6608642
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
CORRELATIONS
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
ENERGY LEVELS
EXCITED STATES
GROUP THEORY
INFRARED SPECTRA
KRAMERS-KRONIG CORRELATION
MATHEMATICS
MEDIUM TEMPERATURE
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
REFLECTIVITY
SPECTRA
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
VIBRATIONAL STATES
WIGNER-SEITZ METHOD
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
CORRELATIONS
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
ENERGY LEVELS
EXCITED STATES
GROUP THEORY
INFRARED SPECTRA
KRAMERS-KRONIG CORRELATION
MATHEMATICS
MEDIUM TEMPERATURE
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
REFLECTIVITY
SPECTRA
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
VIBRATIONAL STATES
WIGNER-SEITZ METHOD