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@article{747634,
author = {Franta, Daniel and Nečas, David and Zajíčková, Lenka},
article_location = {elektronicky},
article_number = {24},
keywords = {Optical constants; Dispersion; Glass and other},
language = {eng},
issn = {1094-4087},
journal = {Optics Express},
title = {Models of dielectric response in disordered solids},
url = {http://www.opticsinfobase.org/abstract.cfm?URI=oe-15-24-16230},
volume = {15},
year = {2007}
}
TY - JOUR
ID - 747634
AU - Franta, Daniel - Nečas, David - Zajíčková, Lenka
PY - 2007
TI - Models of dielectric response in disordered solids
JF - Optics Express
VL - 15
IS - 24
SP - 16230-16244
EP - 16230-16244
PB - Optical Society of America
SN - 10944087
KW - Optical constants
KW - Dispersion
KW - Glass and other
UR - http://www.opticsinfobase.org/abstract.cfm?URI=oe-15-24-16230
N2 - Two dispersion models of disordered solids, one parameterizing density of states (PDOS) and the other parameterizing joint density of states (PJDOS), are presented. Using these models, not only the complex dielectric function of the materials, but also some information about their electronic structure can be obtained. The numerical integration is necessary in the PDOS model. If analytical expressions are required the presented PJDOS model is, for some materials, a suitable option still providing information about the electronic structure of the material. It is demonstrated that the PDOS model can be successfully applied to a wide variety of materials. In this paper, its application to diamond-like carbon (DLC), a-Si and SiO2-like materials are discussed in detail. Unlike the PDOS model, the presented PJDOS model represents a special case of parameterization that can be applied to limited types of materials, for example DLC, ultrananocrystalline diamond (UNCD) and SiO2-like.
ER -
FRANTA, Daniel, David NEČAS a Lenka ZAJÍČKOVÁ. Models of dielectric response in disordered solids. \textit{Optics Express}. elektronicky: Optical Society of America, 2007, roč.~15, č.~24, s.~16230-16244. ISSN~1094-4087.
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