Multiple Regression Model on Optical Properties of Tin Oxide Thin Film

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Tin Oxide (SnO2) thin film is one of the important transparent conducting oxides (TCOs) due to its electrical and optical transparency in visible light spectrum. This study presents the best model in estimating optical properties of tin oxide thin film which is performed using the absorption coefficient of the film. The annealing temperature is at 473 K prepared by radio frequency sputtering technique. Twelve multiple regression (MR) models with interactions are generated from three independent variables (transmission spectra, energy band gap and the wavelength of light). They are developed from data sets of 50. The best model M8.0.0 is chosen from the 6 selected models based on the Eight Selection Criterion (8SC). Best model will have the majority criteria with the least value. Factors affect the absorption coefficient are found to be X1 (transmission spectra), X2 (energy band gap) and X1X2 (interaction between transmission spectra and energy band gap).

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520-525

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June 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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