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OPTICAL CONSTANTS OF METALS IN THE FAR ULTRA VIOLET AND THEIR RELATION TO ENERGY BAND STRUCTURE.

Authors: Luke Steven Gournay; COLORADO UNIV BOULDER LAB FOR ATMOSPHERIC AND SPACE PHYSICS
Abstract:
The real and imagnary components (optical con stants) of the indices of refraction of silver, a silver-indium alloy, gold, gold-aluminum al loys, and aluminum have been studied in the wave length range of 304 to 1671 A. Electrical con ductivity as derived from the optical constants is shown to be related to interband transitions in these metals. Analysis of results for silver indium alloys indicate a breakdown of the rigid band concept. A Fermi surface which has less contact at the Brillouin zone faces and a less distorted shape is indicated for the alloy. The modified energy band structure is presented and discussed. The relation between the energy gap at Brillouin zone faces and the interband tran sition probability is developed and data are pre sented which demonstrate its relative importance. (Author)

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Rept. for June 62-May 63
Pages: 104
Report Date: 31 MAR 1963
Contract Number: AF19628287
Report Number: 0908904
Keywords relating to this report:
(ALLOYS
(METALS
(OPTICAL PROPERTIES
ALLOYS)
ALUMINUM
ALUMINUM ALLOYS
BRILLOUIN ZONES
GOLD
GOLD ALLOYS
INDIUM
OPTI)
OPTICAL PROPERTIES)
PARTIAL DIFFERENTIAL EQUATIONS
PERTURBATIONZ
PERTURBATIONZOPTICAL PROPERTIES
QUAN
REFLECTION
REFLECTOMETERS
REFRACTIVE
SILVER
SILVER ALLOYS
TEST EQUIPMENT
TEST METHODS
THEORY
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