Abstract
This paper discusses photochemical transformations caused by the action of
radiation, both continuous and from a pulsed CO<sub>2</sub> laser, on the surface of
silicates (nepheline KNa<sub>3</sub>[AlSiO<sub>4</sub>]<sub>4</sub>, rhodonite
CaMn<sub>4</sub>[Si<sub>5</sub>O<sub>15</sub>], zircon ZrSiO<sub>4</sub>, etc.). It
was established by means of x-ray-emission analysis of a laser-irradiated surface that
the action of laser radiation on these materials results in selective sublimation of
silicon oxides, as well as enriching the surface with inclusion elements. The action of
laser radiation also leads to the appearance on the irradiated surface of silicon and
metallic nanoclusters, and this was confirmed by means of both photoluminescence and
x-ray-emission studies of the laser-irradiated surface.
© 2008 Optical Society of America
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