https://doi.org/10.15407/spqeo7.01.082
PACS: 71.55.Gs; 73.61.Ga; 78.60.Fi; 85.60.Jb
Self-organization patterns in electroluminescence
of bistable ZnS:Mn thin-film structures
N.A. Vlasenko*, H.-G. Purwins**, Z.L. Denisova*, Ya.F. Kononets*,
F.-J. Niedernostheide**, L.I. Veligura*, S. Zuccaro**
*V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine, 41, prospect Nauky, 03028 Kyiv, Ukraine
Phone: +380 (44) 2656252, E-mail: vlasenko@isp.kiev.ua.
*Institute of Applied Physics, University of Muenster, Corrensstrasse 2/4, Muenster, D-48149, Germany,
Phone: 0049 251 8333511, E-mail: purwins@uni-muenster.de
Abstract. An overview of recent original results concerning self-organized pattern formation
in the emission of bistable alternating current ZnS:Mn thin - film electroluminescent structures
(TFELS) as a dissipative system is given. The influence of technological factors, affecting
the properties TFELS, and driving conditions on both the patterns and the hysteresis of the
charge- voltage dependence that is responsible for bistability of the TFELS are considered.
The correlation between patterns and the shape of the hysteresis is analyzed. The physical
processes with positive and negative feedback, which serve, respectively, as activator and
inhibitor in the given dissipative system, are discussed.
Keywords: self-organization, patterns, electroluminescence, ZnS:Mn, thin-film structures,
bistability.
Paper received 28.11.03; accepted for publication 30.03.04.
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