A study on the correlation between fragility and cooperativity in wide class of glass-forming substances
作者： Masaru Aniya , Masahiro Ikeda
DOI: 10.1016/J.PHPRO.2013.07.019
关键词:
摘要: Abstract The understanding of the cooperativity and heterogeneity in various kinds glass forming liquids is a hot topic. In present paper, relationship between fragility has been studied based on bond strength- coordination number fluctuation model. model describes temperature dependence viscosity many terms mean values strength, their fluctuations structural units that form melt. According to model, increases with increase fragility. indicates length scale region typical fragile systems about 1 3 nm.
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