The band structure and optical properties of sulphur nitrogen polymer. II. Optical properties from 0.5 to 27 eV
- 14 June 1976
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 9 (11) , L277-L282
- https://doi.org/10.1088/0022-3719/9/11/005
Abstract
For pt.I see ibid., vol.9, p.291 (1976). Reflectivity data on polysulphur nitride (SN)x are reported in the energy range 0.5-27 eV, and include vacuum-ultraviolet and synchrotron radiation measurements. The transmission spectrum is given for light polarized both parallel and perpendicular to the polymer chain axis, in the energy range 0.5-4 eV. The absorption coefficient, alpha , and the imaginary part of the dielectric function, epsilon 2, have been calculated from the reflectivity data by a Kramers-Kronig analysis. The energy dependence of epsilon 2 is compared with that calculated on the basis of the energy band structure given in the previous part.Keywords
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