Effects of post-deposition heat treatment on the optical characteristics of ZnTe thin films

Details Effects of post-deposition heat treatment on the optical characteristics of ZnTe thin films Effects of post-deposition heat treatment on the optical characteristics of ZnTe thin films

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..899..641p&link_type=abstract

SIXTH INTERNATIONAL CONFERENCE OF THE BALKAN PHYSICAL UNION. AIP Conference Proceedings, Volume 899, pp. 641-641 (2007).

Other

Ii-Vi Semiconductors, X-Ray Diffraction, Thermal Stability, Thermal Effects, Structure And Morphology, Thickness, Crystalline Orientation And Texture, Other Heat And Thermomechanical Treatments

Scientific paper

Zinc telluride (ZnTe) thin films (d=0.15 μm - 2.40 μm) were deposited by quasi-closed volume technique under vacuum. X-ray diffraction patterns indicated that the films are polycrystalline and have a zinc blende structure. After a heat treatment, a significant increase of peak intensities, corresponding to (220) plane take place. The heat treatment determines a greater dispersion of crystallite height as compare to the not treated once. After heat treatment the transmission coefficient strongly decreases. The values of optical bandgap ranged between 1.95 eV and 2.40 eV, due to heat treatment.

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