Brillouin and Umklapp scattering in polybutadiene: Comparison of neutron and x-ray scattering

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Brillouin and Umklapp scattering in polybutadiene: comparison of neutron and x-ray scattering.

We report a comparison of high resolution inelastic x-ray Brillouin scattering to coherent inelastic neutron scattering for amorphous deuterated polybutadiene, done for one temperature in the glass phase and another one in the melt. The x-ray scattering proves to be by far the better technique for such a polymer within its present resolution bounds. The neutron scattering allows one to extend t...

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ژورنال

عنوان ژورنال: Physical Review E

سال: 1999

ISSN: 1063-651X,1095-3787

DOI: 10.1103/physreve.60.r2464