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Interference distortion of the 73 cm−1 absorption line in polyethylene

Prettl, Wilhelm and Frank, W. F. X. (1979) Interference distortion of the 73 cm−1 absorption line in polyethylene. Infrared Physics 19 (3-4), pp. 491-495.

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The decrease of the absorption strength of the 73 cm−1 line in polyethylene and the strong antiresonance occuring above 310K at the high frequency side of the line are explained by assuming a Fano 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.

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Item type:Article
Date:August 1979
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Wilhelm Prettl
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Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:17544
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