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Статья

On the nature of changes in the optical characterization produced in sapphire on its irradiation with a pulsed powerful stream oh hydrogen ions

Nukleonika. 2004. Vol. 49. No. 2. P. 43-49.
Gribkov V., Sadowski M., Cheblukov Y., Kozodaev V., Suvorov A., Ivanov L., Maslyaev S., Pimenov V., Skladnik-Sadowska E., Banaszak A., Kopec G., Smirnov I. S.

Changes in the optical characteristics in synthetic sapphire specimens produced by microsecond pulse irradiation with a stream of hydrogen ions of energies ranging up to tens keV have been observed. Data on decrease in the optical reflection, measured within the wavelength range of 200−900 nm, are presented. This characterization is compared with the data received by optical and atomic force microscopy as well as by lattice structure analysis performed with X-rays. The measurements indicate that the changes of optical parameters are not a consequence of absorption increase and/or sapphire decomposition. They result from modifications of the morphology and structure of surface layer of the sapphire samples, induced by irradiation.