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http://dx.doi.org/10.5757/JKVS.2009.18.6.453

Origin of Decreasing the Dielectric Constant and the Effect of Ionic Polarization  

Oh, Teresa (School of Electronic and Information Engineering, Cheongj University)
Publication Information
Journal of the Korean Vacuum Society / v.18, no.6, 2009 , pp. 453-458 More about this Journal
Abstract
SiOC film was deposited by the chemical vapor deposition using BTMSM and oxygen mixed precursor. The characteristic of SiOC film varied with increasing of the gas flow rate ratios. The dielectric constant was obtained by C-V measurement using the structure of metal/SiOC film/Si. The space effect due to the steric hindrance between alkyl group at terminal bond of Si-$CH_3$ made the pores, and increased the thickness. However, the SiOC film due to the lowering of the polarization decreased the thickness and then decreased the dielectric constant. After annealing process, the dielectric constant decreased because of the evaporation of the OH or $H_2O$ sites. The thickness was related to the lowering of the dielectric constant by the reduction of the polarization and the thickness decreased with the decrease of the dielectric constant. The refractive index was in inverse proportion to thickness. The trends of the thickness and refractive index did not change after annealing.
Keywords
Refractive index; Dielectric constant; SiOC film; Electron deficient group;
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Times Cited By KSCI : 2  (Citation Analysis)
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