Abstract
A novel but simple time-of-flight neutron scattering geometry which allows structural anisotropy to be probed directly, simultaneously and thus unambiguously in polymeric and other materials is described. A particular advantage of the simultaneous data collection when coupled to the large area of the beam is that it enables thin films (< 10 μm < 10 mg) to be studied with relative ease. The utility of the technique is illustrated by studies on both deformed poly(styrene) glasses and on thin films of electrical conducting polymers. In the latter case, the power of isotopic substitution is illustrated to great effect. The development of these procedures for use in other areas of materials science is briefly discussed.
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Mitchell, G.R., Cywinski, R. Exploitation of a pulsed neutron source for the structural study of anisotropic polymer films. J Mater Sci 27, 2117–2123 (1992). https://doi.org/10.1007/BF01117925
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DOI: https://doi.org/10.1007/BF01117925