Density of states and vibrational modes of PDMS studied by terahertz time-domain spectroscopy

Abstract : Using time-domain spectroscopy (TDS), we performed high-precision spectroscopic measurements of polydimethylsiloxane (PDMS) in the terahertz domain. We investigated the influence of crosslinking on the terahertz absorption and refractive index, and modeled the data with vibrational density of states and coupling between photons and vibrational modes of the polymer molecules. We also investigated the influence of the temperature on PDMS, and observed the glass transition temperature, as well as the cold crystallization peak and the melting zone. Cop. 2010 Elsevier B.V. All rights reserved.
Document type :
Journal articles
Complete list of metadatas

https://hal-polytechnique.archives-ouvertes.fr/hal-00805066
Contributor : Denis Roura <>
Submitted on : Tuesday, March 26, 2013 - 11:04:52 PM
Last modification on : Thursday, February 7, 2019 - 4:28:17 PM

Identifiers

Collections

Citation

Alexander Podzorov, Guilhem Gallot. Density of states and vibrational modes of PDMS studied by terahertz time-domain spectroscopy. Chemical Physics Letters, Elsevier, 2010, 495 (40969), pp.46. ⟨10.1016/j.cplett.2010.06.050⟩. ⟨hal-00805066⟩

Share

Metrics

Record views

185