Temperature Dependence of Polarized Low Wavenumber Raman Spectra of Aminopropylsilanetriol Polymer

Low wavenumber polarized Raman spectra of aminopropylsilanetriol (APST) polymer deposited on PVC substrate were measured in the temperature range from 300 K to 78 K. In the low wavenumber Raman spectra of these samples a very strong Bose band was observed. The best results in modeling the low wavenu...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 28; no. 1; pp. 135 - 138
Main Authors V, Volovsek, L, Bistricic, K, Furic, V, Dananic, I, Movre Sapic
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2006
Subjects
Ladders
Physics
Polymers
Raman spectra
Substrates
Temperature dependence
Wavelengths
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Summary:Low wavenumber polarized Raman spectra of aminopropylsilanetriol (APST) polymer deposited on PVC substrate were measured in the temperature range from 300 K to 78 K. In the low wavenumber Raman spectra of these samples a very strong Bose band was observed. The best results in modeling the low wavenumber Raman spectra were achieved with the exponential correlation function of disorder Gdis(ν) (−r/Rc)using three contributions: transversal and longitudinal acoustic phonons and molecular vibration. Results suggest medium range ordered ladder structure, stacked in layers with different orientations of ladders.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/28/1/029