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University of Banja Luka / Faculty of Natural Sciences and Mathematics , Banja Luka , Bosnia and Herzegovina
Academy of Science and Arts of the Republic of Srpska , Banja Luka , Bosnia and Herzegovina
University of Novi Sad/Faculty of Techincal Sciences , Novi Sad , Serbia
This paper examines all transport properties (such as e.g. mechanical resistance, electrical and thermal conductivity, photosensitivity, magnetization, etc.) which are caused by the electron motion in crystalline nanofilms, with two sublattices. We have performed theoretical research using the method of two-time and temperature-dependent Green's functions and calculated the energy spectra and spatial distribution of electrons in these structures. Comparing obtained results with bulk, we have fond that the presence of boundaries (and change of the boundary parameters) lead to completely new physical properties and specific effects, which are essential both for fundamental science and for the precise application of such (and similar) structures in nanotechnology. We found that the energy spectrum has two allowed and one forbidden zone, and that localized electronic states can appear. In addition, by analyzing the spatial distribution of these states, we determined that the probability of finding electrons is particularly high at the boundaries of the film and decreases toward its inner layers.
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