Urbach effects in the kinetics of core holes for excitation of cross-luminescence

Some problems of cross-luminescence (fast recombination of an outermost core hole with an electron from the valence band) are discussed in this communication. The kinetics of the core hole is described with the help of a kinetic equation which includes the dielectric function ϵ(ω, k). The temperatur...

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Bibliographic Details
Published inJournal of luminescence Vol. 51; no. 5; pp. 275 - 282
Main Authors Davoli, I., Mikhailin, V.V., Stizza, S., Vasil'ev, A.N.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.04.1992
Elsevier
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other luminescence and radiative recombination
Physics
Dielectric function
Temperature
Kinetic equation
Luminescence
Radiative recombination
Theoretical study
Urbach rule
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Summary:Some problems of cross-luminescence (fast recombination of an outermost core hole with an electron from the valence band) are discussed in this communication. The kinetics of the core hole is described with the help of a kinetic equation which includes the dielectric function ϵ(ω, k). The temperature dependence of the cross-luminescence yield is described with the assumption of Urbach behavior of ϵ(ω, k) near the fundamental absorption edge.
ISSN:0022-2313
1872-7883
DOI:10.1016/0022-2313(92)90078-N