Optical properties of CdS-PbS films and the possibility of the photoeffect in the mid-infrared range

The possibility of using the plasma resonance in semiconductors to excite exoelectron photoemission in the mid-infrared spectral range without special cooling is discussed. Optical reflection spectra in the mid-infrared range of vacuum-deposited radiation-resistant films of limited CdS-PbS solid sol...

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Bibliographic Details
Published in:Semiconductors (Woodbury, N.Y.) N.Y.), 2014-12, Vol.48 (12), p.1562-1566
Main Authors: Rokakh, A. G., Bilenko, D. I., Shishkin, M. I., Skaptsov, A. A., Venig, S. B., Matasov, M. D.
Format: Article
Language:English
Subjects:
Analysis
CADMIUM SULFIDES
DEPOSITS
ELECTRON EMISSION
Electrons
Interfaces
LEAD SULFIDES
Magnetic Materials
Magnetism
MATERIALS SCIENCE
OPTICAL PROPERTIES
OPTICAL REFLECTION
PHOTOCATHODES
PHOTOEMISSION
Physics
Physics and Astronomy
PLASMA
Public television
RESONANCE
SEMICONDUCTOR MATERIALS
Semiconductors
SOLID SOLUTIONS
SPECTRA
Surfaces
TEMPERATURE RANGE 0273-0400 K
Thin Films
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Summary:The possibility of using the plasma resonance in semiconductors to excite exoelectron photoemission in the mid-infrared spectral range without special cooling is discussed. Optical reflection spectra in the mid-infrared range of vacuum-deposited radiation-resistant films of limited CdS-PbS solid solutions containing a minimum associated with the plasma resonance are presented. The plasma resonance of secondary-electron emission is compared with the secondary-ion photoeffect and a conclusion is made concerning the possibility of the influence of the plasma resonance in the mid-infrared range on the escape of electrons from the semiconductor photocathode at room temperature.
ISSN:1063-7826
1090-6479
DOI:10.1134/S1063782614120197