Resonant elastic scattering of light by fluctuations of the surface excitcn potential
Kosobukin V. A., Sel'kin A. V.
The cross section and angular distribution of the resonant elastic scattering of light by CdS crystals (Τ = 2 К) have been measured in the vicinity of iheAn = г exciton state. The scattering results from fluctuations of the exciton potential barrier, which can be approximated by an exciton-free ("dead") layer with a mean square roughness height h — 5 A at the inner surface and with a correlation length / = 0.5 μτη.
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![](/ps/1393/article_21129_800_head.png "The cross section and angular distribution of the resonant elastic scattering of light by CdS crystals (<b><i>Τ = </i></b>2 К) have been measured in the vicinity of <b><i>iheA<sub>n</sub> <sub>=</sub> <sub>г</sub> </i></b>exciton state. The scattering results from fluctuations of the exciton potential barrier, which can be approximated by an exciton-free ("dead") layer with a mean square roughness height <i>h — </i>5 A at the inner surface and with a correlation length / = 0.5 <b><i>μτη.</i></b>")