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Title: Study of the Effective Refractive Index Profile in Self-Assembling Nanostructured ITO Films

Abstract

The optical characteristics and structural features of self-assembling nanostructured indium–tin oxide (ITO) films deposited onto substrates heated above 400°C are studied. Estimations of the distribution profiles of the material and effective refractive index in the films under study are obtained by computer simulation of a medium having spectral dependences of light transmission and reflection coefficients closest to those observed in the experiment. These results are in good agreement with scanning electron microscopy data for these films and make it possible to not only confirm the gradient character of such coatings but also restore some of its features. The further overgrowth of voids in self-assembling nanostructured films by means of the deposition of an additional material amount by magnetron sputtering at room temperature leads to a variation in the effective refractive index profile in them. Thus, it is possible to form transparent conductive films with an efficient refractive index profile adjusted for specific tasks. Adjustment of the refractive index profile in self-assembled ITO films acquires a special value for designing coatings with specified properties by virtue of a limited set of transparent conductive materials.

Authors:
; ; ;  [1]
  1. Ioffe Institute (Russian Federation)
Publication Date:
OSTI Identifier:
22749766
Resource Type:
Journal Article
Journal Name:
Semiconductors
Additional Journal Information:
Journal Volume: 52; Journal Issue: 10; Other Information: Copyright (c) 2018 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1063-7826
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; COMPUTERIZED SIMULATION; FILMS; LIGHT TRANSMISSION; MATERIALS; NANOSTRUCTURES; REFRACTIVE INDEX; SCANNING ELECTRON MICROSCOPY; TEMPERATURE RANGE 0273-0400 K

Citation Formats

Markov, L. K., E-mail: I.markov@mail.ioffe.ru, Pavluchenko, A. S., Smirnova, I. P., and Pavlov, S. I. Study of the Effective Refractive Index Profile in Self-Assembling Nanostructured ITO Films. United States: N. p., 2018. Web. doi:10.1134/S106378261810010X.
Markov, L. K., E-mail: I.markov@mail.ioffe.ru, Pavluchenko, A. S., Smirnova, I. P., & Pavlov, S. I. Study of the Effective Refractive Index Profile in Self-Assembling Nanostructured ITO Films. United States. doi:10.1134/S106378261810010X.
Markov, L. K., E-mail: I.markov@mail.ioffe.ru, Pavluchenko, A. S., Smirnova, I. P., and Pavlov, S. I. Mon . "Study of the Effective Refractive Index Profile in Self-Assembling Nanostructured ITO Films". United States. doi:10.1134/S106378261810010X.
@article{osti_22749766,
title = {Study of the Effective Refractive Index Profile in Self-Assembling Nanostructured ITO Films},
author = {Markov, L. K., E-mail: I.markov@mail.ioffe.ru and Pavluchenko, A. S. and Smirnova, I. P. and Pavlov, S. I.},
abstractNote = {The optical characteristics and structural features of self-assembling nanostructured indium–tin oxide (ITO) films deposited onto substrates heated above 400°C are studied. Estimations of the distribution profiles of the material and effective refractive index in the films under study are obtained by computer simulation of a medium having spectral dependences of light transmission and reflection coefficients closest to those observed in the experiment. These results are in good agreement with scanning electron microscopy data for these films and make it possible to not only confirm the gradient character of such coatings but also restore some of its features. The further overgrowth of voids in self-assembling nanostructured films by means of the deposition of an additional material amount by magnetron sputtering at room temperature leads to a variation in the effective refractive index profile in them. Thus, it is possible to form transparent conductive films with an efficient refractive index profile adjusted for specific tasks. Adjustment of the refractive index profile in self-assembled ITO films acquires a special value for designing coatings with specified properties by virtue of a limited set of transparent conductive materials.},
doi = {10.1134/S106378261810010X},
journal = {Semiconductors},
issn = {1063-7826},
number = 10,
volume = 52,
place = {United States},
year = {2018},
month = {10}
}