Volume 48, 1969
From the journal:

Discussions of the Faraday Society

Vibrations in teflon

Victor LaGarde,   Henry Prask  and  Samuel Trevino  

Abstract

A measurement of a part of the longitudinal acoustic mode of Teflon (polytetrafluoroethylene) is presented. The measurement was made utilizing the coherent inelastic scattering of low-energy neutrons. The sample consisted of extruded fibres in which the polymer axis was aligned along the fibre axis. The spectrometer used in the measurements provided a monochromatic neutron line incident on the sample obtained by Bragg scattering the reactor spectrum from a copper crystal. Time-of-flight techniques were used to energy analyze the scattered beam. The observed phonons agree well with a calculation of Boerio and Koenig.

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Article information

DOI
https://doi.org/10.1039/DF9694800015
Article type
Paper

Discuss. Faraday Soc., 1969,48, 15-18

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Vibrations in teflon

V. LaGarde, H. Prask and S. Trevino, Discuss. Faraday Soc., 1969, 48, 15 DOI: 10.1039/DF9694800015

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