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Chemical bond approach to the dielectric constant of SbSI
Affiliation:1. Institute of Technology, Pedagogical University, ul. Podchorazych 2, 30-084 Krakow, Poland;2. A.Chelkowski Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland;3. Faculty of Materials Science and Ceramics, AGH-University of Science & Technology, al.Mickiewicza 30, 30-059 Krakow, Poland;4. Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science & Technology, 30-059 Krakow, Poland;5. Oles Honchar Dnipropetrovsk National University, Prosp. Gagarina 72, 49010 Dnipropetrovsk, Ukraine;1. A. Chełkowski Institute of Physics, University of Silesia, Uniwersytecka 4, PL 40-007 Katowice, Poland;2. Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1 A, PL 41-500 Chorzow, Poland;1. Inorganic Chemistry Laboratory, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Athens, Greece;2. Institute of Thermal Separation Processes, Hamburg University of Technology, Eißendorfer Straße 38, 21073 Hamburg, Germany;3. Laboratory of Economic Geology and Geochemistry, Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece;1. Institute of Polymer Mechanics, University of Latvia, Aizkraukles 23, LV-1006 Riga, Latvia;2. Institute of Polymers and Composites, Technische Universität Hamburg-Harburg, Denickestraße 15, D-21073 Hamburg, Germany;1. August Chełkowski Institute of Physics, University of Silesia, ul. 75 Pułku Piechoty 1, 41-500 Chorzów, Poland;2. Department of Physics, National Institute of Technology Patna, Patna, 800005 Bihar, India;3. Institute of Applied Electrodynamics and Telecommunications, Vilnius University, Sauletekio av. 3, LT-10257 Vilnius, Lithuania;4. Institute of Materials Engineering, University of Silesia, ul. 75 Pułku Piechoty 1, 41-500 Chorzów, Poland
Abstract:The electronic band structure of SbSI crystal was calculated by Mulliken-Wolfsberg-Helmholtz (MWH) method. The semiempirical evaluation of dipole moments for band-to-band transitions was discussed. It was shown the interatomic transitions contribute mainly to the static dielectric constant ϵ1(0). The interchain interactions should be taken in consideration to describe the dielectric constant. The chemical bonding of SbSI is discussed.
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