Prettl, Wilhelm and Frank, W. F. X. (1979) Phonon mode coupling and Fano-type antiresonance in polyethylene. Colloid & Polymer Science 257 (9), pp. 920-926.
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Abstract
The decrease of the absorption strength of 73 cm–1 line in polyethylene and the strong antiresonance occuring above 310 K at the high frequency wing of the line are explained by assuming a Fanto type coupling between the 73 cm–1 phonon and a continuum of infrared active vibrational modes. The parameters determining the line shape are deduced from experimental absorption curves and conceivable coupling mechanisms are discussed.Die Abnahme der Absorption der 73 cm–1-Bande in Polyäthylen und die starke Antiresonanz, die oberhalb 310 K auf der hochfrequenten Seite der Bande einsetzt, werden erklärt durch Annahme einer Fano-Kopplung zwischen dem 73 cm–1-Phonon und einem Kontinuum von infrarot-aktiven Schwingungsmoden. Die Parameter, die die Linienform bestimmen, werden aus den experimentellen Absorptionskurven abgeleitet und Kopplungsmechanismen diskutiert.
| Item Type: | Article | ||||
|---|---|---|---|---|---|
| Institutions: | Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Wilhelm Prettl | ||||
| Identification Number: |
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| Subjects: | 500 Science > 530 Physics | ||||
| Status: | Published | ||||
| Refereed: | Unknown | ||||
| Created at the University of Regensburg: | Unknown | ||||
| Owner: | Universitätsbibliothek Regensburg | ||||
| Deposited On: | 26 Oct 2010 14:22 | ||||
| Last Modified: | 27 Nov 2012 08:06 | ||||
| Item ID: | 17538 |
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