Výsledky vyhledávání - "Gregory B. McKenna"

Akademický článek

Challenging the Kauzmann paradox using an ultra-stable perfluoropolymer glass with a fictive temperature below the dynamic VFT temperature

Autor: Amer A. El Banna, Gregory B. McKenna

Publikováno v: Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)

Abstract Ultra-stable fluoropolymer glasses were created using vacuum pyrolysis deposition that show large fictive temperature Tf reductions relative to the glass transition temperature Tg of the rejuvenated material. Tf was also found to be 11.4 K b

Externí odkaz: https://doaj.org/article/624e3124fbd24cfcbd59a26a2f2af0bc

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Akademický článek

Deep glassy state dynamic data challenge glass models: Elastic models

Autor: Dongjie Chen, Gregory B. McKenna

Publikováno v: Journal of Non-Crystalline Solids: X, Vol 11, Iss , Pp 100068- (2021)

There is increasing experimental evidence that suggests that the dynamics of glass forming liquids do not diverge at finite temperature above zero Kelvin, at the same time there has been recent progress in the development of non-diverging glass trans

Externí odkaz: https://doaj.org/article/45bcbd95bb314984817ae1f6bccac5b4

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Akademický článek

Effect of molecular architecture on ring polymer dynamics in semidilute linear polymer solutions

Autor: Yuecheng Zhou, Kai-Wen Hsiao, Kathryn E. Regan, Dejie Kong, Gregory B. McKenna, Rae M. Robertson-Anderson, Charles M. Schroeder

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-10 (2019)

Understanding the dynamics of ring polymers is challenging are despite recent progress, understanding of the nonequilibrium behavior of ring polymers has not yet been achieved. Here, the authors directly observe the flow dynamics of DNA-based rings i

Externí odkaz: https://doaj.org/article/4f70f5e4b3284f39b53e53695e8ad3ff

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