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Proceedings Paper

Optical properties of cadmium sulfide with quantum-scale surface structure
Author(s): Victor P. Makhniy; Volodymyr V. Mel'nyk; Mykhailo M. Sletov; Peter N. Gorley; Paul P. Horley; Xiyan Zhang
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Paper Abstract

The paper presents investigation results on surface modification influence of monocrystalline zinc sulfide substrates on their optical transmission and photoluminescence spectra. One of characteristic peculiarities of the samples considered is the presence of wide 2.5- 3.2 eV structureless irradiation band at CdS fundamental absorption region. Apart from this, absolute transmission decreases and transmission edge shifts into low-energy region of ~0.1 eV upon surface modification. Observed peculiarities of CdS optical properties can be explained by quantum-scale effects in nanocrystalline modified surface layer, experimentally detectable with atomic force microscopy.

Paper Details

Date Published: 23 January 2006
PDF: 5 pages
Proc. SPIE 6029, ICO20: Materials and Nanostructures, 60291B (23 January 2006); doi: 10.1117/12.667751
Show Author Affiliations
Victor P. Makhniy, Yuri Fedkovych Chernivtsi National Univ. (Ukraine)
Volodymyr V. Mel'nyk, Yuri Fedkovych Chernivtsi National Univ. (Ukraine)
Mykhailo M. Sletov, Yuri Fedkovych Chernivtsi National Univ. (Ukraine)
Peter N. Gorley, Yuri Fedkovych Chernivtsi National Univ. (Ukraine)
Paul P. Horley, Yuri Fedkovych Chernivtsi National Univ. (Ukraine)
Xiyan Zhang, Changchun Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 6029:
ICO20: Materials and Nanostructures
Wei Lu; Jeff Young, Editor(s)

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