Crystalline melting of polyethylene as studied by Brillouin spectroscopy |
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| Authors: | S. C. Ng T. J. C. Hosea S. H. Goh |
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| Affiliation: | (1) Department of Physics, National University of Singapore, 0511 Singapore, Republic of Singapore;(2) Department of Chemistry, National University of Singapore, 0511 Singapore, Republic of Singapore |
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| Abstract: | Summary The Brillouin spectrum of polyethylene has been measured as a function of temperature through the crystalline melting range, using a five-pass Fabry-Perot interferometer. Discontinuities have been observed in the Brillouin shift and width and the Landau-Placzek ratio near the melting temperature. The results are discussed in terms of phenomena associated with the process of melting. |
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