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pro vyhledávání: '"Forrest, James A"'
We report on the rejuvenation of thin films of polystyrene (PS) as they are heated from stable glassy states - prepared either through vapour deposition or physical aging. For films with thickness $h \gtrsim 200$ nm, the rejuvenation of vapour deposi
Externí odkaz:
http://arxiv.org/abs/2408.11783
We measure the isothermal rejuvenation of stable glass films of poly(styrene) and poly(methylmethacrylate). We demonstrate that the propagation of the front responsible for the transformation to a supercooled-liquid state can serve as a highly locali
Externí odkaz:
http://arxiv.org/abs/2312.06210
Autor:
Bonneau, Haggai, Arutkin, Maxence, Chen, Rainni, Forrest, James A, Raphael, Elie, Salez, Thomas
Freestanding thin polymer films with high molecular weights exhibit an anomalous decrease in the glass-transition temperature with film thickness. Specifically, in such materials, the measured glass-transition temperature evolves in an affine way wit
Externí odkaz:
http://arxiv.org/abs/2212.04296
Autor:
Yin, Junjie, Pedersen, Christian, Thees, Michael, Carlson, Andreas, Salez, Thomas, Forrest, James A
We have studied the liquid-like response of the surface of vapour-deposited glassy films of polystyrene to the introduction of gold nanoparticles on the surface. The build-up of polymer material was measured as a function of time and temperature for
Externí odkaz:
http://arxiv.org/abs/2211.04873
Publikováno v:
Phys. Rev. E 101, 032122 (2020)
Previously, we developed a minimal model based on random cooperative strings for the relaxation of supercooled liquids in the bulk and near free interfaces, and we recovered some key experimental observations. In this article, after recalling the mai
Externí odkaz:
http://arxiv.org/abs/1911.12227
Publikováno v:
Macromolecules, American Chemical Society, 2020, 53 (3), pp.1084
We describe a series of surface levelling experiments in glassy polystyrene (PS) of varying molecular weight. The evolution through a mobile surface layer is described by the glassy thin film equation that was introduced and used in a previous work.
Externí odkaz:
http://arxiv.org/abs/1909.01835
Akademický článek
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Autor:
FORREST, JAMES1 jim.forrest@mq.edu.au
Publikováno v:
Tijdschrift voor Economische en Sociale Geografie (Journal of Economic & Social Geography). Sep2023, Vol. 114 Issue 4, p336-351. 16p.
Publikováno v:
Ethnicities, 2020 Dec 01. 20(6), 1144-1165.
Externí odkaz:
https://www.jstor.org/stable/26931344
Controlling Marangoni induced instabilities in spin-cast polymer films: how to prepare uniform films
Publikováno v:
Eur. Phys. J. E (2016) 39: 90
In both research and industrial settings spin coating is extensively used to prepare highly uniform thin polymer films. However, under certain conditions, spin coating results in films with non-uniform surface morphologies. Although the spin coating
Externí odkaz:
http://arxiv.org/abs/1609.00230