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Short‐Range Order Model of Ge x S 1− x Glasses and Utilization of This Model in Calculation of the Optical Gap and the IR 367 cm −1 Band Intensity
Author(s) -
Černošek Z.,
Černošková E.
Publication year - 1984
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221220203
Subject(s) - order (exchange) , band gap , range (aeronautics) , short range order , intensity (physics) , infrared , germanium , materials science , condensed matter physics , physics , optics , optoelectronics , silicon , finance , economics , composite material
Abstract A short‐range order model (SRO model) of Ge x S 1−x glasses is proposed and utilized to calculate the optical gap values and the IR 367 cm −1 band intensity. The optical gap values of the SRO model structural units are derived for calculation. Based on the description according to the SRO model it can be stated that the studied IR band is probably due to vibrations of the Ge‐S bonds in the (Ge‐S) n chains.