Soles, C.
(2001),
Elastic Neutron Scattering and the Glass Transition in Thin Polycarbonate Films, Elastic Neutron Scattering and the Glass Transition in Thin Polycarbonate Films (Accessed October 5, 2026)
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Elastic Neutron Scattering and the Glass Transition in Thin Polycarbonate Films
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Abstract
Incoherent elastic neutron scattering measurements are performed on hydrogenous polycarbonate films spun coat onto Si wafer. The drop of the elastic scattering intensity as a function of temperature is analyzed within the framework of theDebye-Waller factor to extract a mean-square-displacement of the supported films. The contributions from the polymer, in comparison to the Si, appear to dominate the mean-square displacement for films as thin as 75 . We demonstrate that the mean-square displacement is diminished as the thickness of the film is reduced. There is also a significant increase in the apparent glass transition temperature of the confined polymer film as the degree of confinement increases.Citation
Elastic Neutron Scattering and the Glass Transition in Thin Polycarbonate Films
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Others
Keywords
glass transition, incoherent elastic neutron scattering, neutron scattering, polycarbonate films, thin polycarbonate films
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Created January 1, 2001, Updated February 17, 2017