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1 Nukleonika

1 2004

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

Gribkov V., Ivanov L., Maslyaev S., Pimenov V., Sadowski M., Skladnik-Sadowska E., Banaszak A., Kopeć G., Cheblukov Y., Kozodaev M. A., Suvorov A. L., Smirnov I. S.

Nukleonika

2004

Vol. 49, nr 2

43-49

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.