Optical properties and microstructure of reactively sputtered indium nitride thin films
- 15 October 1988
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 64 (8) , 4144-4149
- https://doi.org/10.1063/1.341326
Abstract
The optical properties of reactively sputtered InN thin films were measured in the spectral region 2.5–5.5 eV using spectroscopic ellipsometry. The measured pseudodielectric function data of the InN films were found to vary with deposition power. The effective medium approximation theory, which describes a random aggregate microstructure, was able to relate the differences in the measured optical properties to the surface microroughness and porosity of the InN films. The relationship between microstructure and deposition power was subsequently verified by scanning electron microscopy. The analysis and electron microscopy indicate that the film deposited at 90 W was most representative of InN.This publication has 28 references indexed in Scilit:
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