Dispersion of the refractive index near the absorption edge in compound semiconductors
Technical Report
·
OSTI ID:6435625
An analytical expression for the real part of the refractive index n near the fundamental absorption edge has been calculated for a semiconductor in terms of experimentally known quantities. It is derived from a quantum mechanical calculation of the complex dielectric constant which assumes the band structure of the Kane theory. The expression obtained is a function of band gap energy, effective electron and heavy hole masses, the spin orbit splitting energy, the lattice constant, and the carrier concentration for n-type or p-type materials. The refractive index is given as a function of frequency and the basic material parameters listed above with no adjustable constants. Dispersion near the fundamental absorption edge, which has been observed experimentally for a number of III-V and II-VI compounds, is predicted and its calculation enabled. Comparison of theory with available experimental data is given.
- Research Organization:
- Boston Univ., MA (USA). Dept. of Physics
- DOE Contract Number:
- AC02-79ER10444
- OSTI ID:
- 6435625
- Report Number(s):
- DOE/ER/10444-7; CONF-821170-1; ON: DE83007501
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
656000 -- Condensed Matter Physics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION
ANALYTICAL SOLUTION
ANTIMONY COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
BAND THEORY
CADMIUM COMPOUNDS
CADMIUM TELLURIDES
CARRIER DENSITY
CHALCOGENIDES
DATA
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
ENERGY GAP
EXPERIMENTAL DATA
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
HOLES
INDIUM COMPOUNDS
INDIUM PHOSPHIDES
INFORMATION
LATTICE PARAMETERS
MATERIALS
NUMERICAL DATA
OPTICAL PROPERTIES
PHOSPHIDES
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
PNICTIDES
REFRACTIVITY
SEMICONDUCTOR MATERIALS
TELLURIDES
TELLURIUM COMPOUNDS
THEORETICAL DATA
ZINC COMPOUNDS
ZINC TELLURIDES
360603* -- Materials-- Properties
656000 -- Condensed Matter Physics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION
ANALYTICAL SOLUTION
ANTIMONY COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
BAND THEORY
CADMIUM COMPOUNDS
CADMIUM TELLURIDES
CARRIER DENSITY
CHALCOGENIDES
DATA
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
ENERGY GAP
EXPERIMENTAL DATA
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
HOLES
INDIUM COMPOUNDS
INDIUM PHOSPHIDES
INFORMATION
LATTICE PARAMETERS
MATERIALS
NUMERICAL DATA
OPTICAL PROPERTIES
PHOSPHIDES
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
PNICTIDES
REFRACTIVITY
SEMICONDUCTOR MATERIALS
TELLURIDES
TELLURIUM COMPOUNDS
THEORETICAL DATA
ZINC COMPOUNDS
ZINC TELLURIDES