Influence of Laser Radiation on Optical Properties and Surface Structure of CdZnTe Crystal

Abstract:

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The change of surface of Cd0.9Zn0.1Te crystal morphology after irradiation by pulsed Nd:YAG laser has been studied. Thermogradient effect (TGE) has the main role in the interaction process of laser radiation with semiconductors. A change of the irradiated surface relief has been observed by atom force microscope. Self-organizing nano-cones are observed on the irradiated surface of Cd0.9Zn0.1Te crystal at intensity of the laser in the range of 4.0 – 12.0 MW/cm2. A graded band gap structure with optical window was formed at the top of nano-cones.

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Periodical:

Edited by:

Arturs Medvids

Pages:

130-133

DOI:

10.4028/www.scientific.net/AMR.222.130

Citation:

A. Mychko et al., "Influence of Laser Radiation on Optical Properties and Surface Structure of CdZnTe Crystal", Advanced Materials Research, Vol. 222, pp. 130-133, 2011

Online since:

April 2011

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$35.00

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