Dielectric behavior of organically modified siloxane melting gels
作者： Louis Gambino , Andrei Jitianu , Lisa C. Klein
DOI: 10.1016/J.JNONCRYSOL.2012.01.002
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摘要: Abstract Hybrid melting gels were prepared by a sol–gel process, starting with mono-substituted alkoxysilane and di-substituted alkoxysilane, methyltriethoxysilane (MTES) together dimethyldiethoxysilane (DMDES). Five gel compositions concentrations between 50% MTES–50% DMDES 75% MTES–25% (in mol%). The index of refraction was measured using Becke line method. decreased slightly as the amount decreased. dielectric constant determined from impedance spectrometry that followed loss function frequency. lowest in composition at frequencies greater than 1 kHz, around 3.3. Since direct Si C bonds are less polarizable O Si, component decreases constant.
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