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2009-The iso-structuralviscosity, configurational entropy and fragility of oxide liquids教程.pdf

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This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues. Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited. In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier’s archiving and manuscript policies are encouraged to visit: /copyright Authors personal copy Journal of Non-Crystalline Solids 355 (2009) 737–744 Contents lists available at ScienceDirect Journal of Non-Crystalline Solids journal homepage: /locate/jnoncrysol The iso-structural viscosity, configurational entropy and fragility of oxide liquids Yuanzheng Yue Section of Chemistry, Aalborg University, DK-9000 Aalborg, Denmark a r t i c l e i n f o a b s t r a c t Article history: This paper describes how the fragility of a liquid is linked to the ratio between the energy barrier (Eeq) for Available online 8 April 2009 the equilibrium viscous behavior and that (Eiso) for the non-equilibrium iso-structural viscous behavior. Using the concept of iso-structural viscosity, two functions describing the variati
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