Glass transition: Difference between revisions
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In the laboratory the '''glass transition''' is not a sharp transition; its properties change smoothly across <math>T_g</math>. | |||
*<math>T_g</math> ''increases'' with a decrease in the observation time, <math>\tau_{\rm obs}</math>. | |||
*<math>\Delta H =0</math> | |||
*<math>\Delta V =0</math> | |||
==Ideal glass transition temperature== | |||
<ref>[http://dx.doi.org/10.1021/j100596a018 C. A. Angell and J. C. Tucker "Heat capacities and fusion entropies of the tetrahydrates of calcium nitrate, cadmium nitrate, and magnesium acetate. Concordance of calorimetric and relaxational ideal glass transition temperatures", Journal of Physical Chemistry '''78''' pp. 278 - 281 (1974)]</ref> | |||
==Observation time== | |||
<math>\tau_{\rm obs}</math> | |||
==Intrinsic average structural relaxation time== | |||
==Pressure dependence of glass transition temperature== | |||
==See also== | ==See also== | ||
*[[Gardner phase transition]] | |||
*[[Kauzmann's paradox]] | *[[Kauzmann's paradox]] | ||
==References== | ==References== | ||
<references/> | |||
'''Related reading''' | |||
*[http://dx.doi.org/10.1063/1.2738471 Prabhat K. Gupta and John C. Mauro "The laboratory glass transition", Journal of Chemical Physics '''126''' 224504 (2007)] | |||
*[http://dx.doi.org/10.1146/annurev.physchem.58.032806.104653 Vassiliy Lubchenko and Peter G. Wolynes "Theory of Structural Glasses and Supercooled Liquids", Annual Review of Physical Chemistry '''58''' pp. 235-266 (2007)] | |||
*[http://dx.doi.org/10.1038/nmat2219 C. Patrick Royall, Stephen R. Williams, Takehiro Ohtsuka and Hajime Tanaka "Direct observation of a local structural mechanism for dynamic arrest", Nature Materials '''7''' pp. 556-561 (2008)] | |||
*[http://dx.doi.org/10.1063/1.2982172 Stephen R. Williams, Debra J. Searles, and Denis J. Evans "The glass transition and the Jarzynski equality", Journal of Chemical Physics '''129''' 134504 (2008)] | |||
*[http://dx.doi.org/10.1103/PhysRevLett.103.245701 Ning Xu, Thomas K. Haxton, Andrea J. Liu, and Sidney R. Nagel "Equivalence of Glass Transition and Colloidal Glass Transition in the Hard-Sphere Limit", Physical Review Letters '''103''' 245701 (2009)] | |||
*[http://dx.doi.org/10.1063/1.3506841 Florent Krzakala and Lenka Zdeborová "On melting dynamics and the glass transition. I. Glassy aspects of melting dynamics", Journal of Chemical Physics '''134''' 034512 (2011)] | |||
*[http://dx.doi.org/10.1063/1.3506843 Florent Krzakala and Lenka Zdeborová "On melting dynamics and the glass transition. II. Glassy dynamics as a melting process", Journal of Chemical Physics '''134''' 034513 (2011)] | |||
*[http://dx.doi.org/10.1063/1.3685510 Jürn W. P. Schmelzer "Kinetic criteria of glass formation and the pressure dependence of the glass transition temperature", Journal of Chemical Physics '''136''' 074512 (2012)] | |||
;Reviews | |||
*[http://dx.doi.org/10.1103/RevModPhys.78.953 Jeppe C. Dyre "The glass transition and elastic models of glass-forming liquids", Reviews of Modern Physics '''78''' 953 (2006)] | |||
*[http://dx.doi.org/10.1063/1.4795539 Giulio Biroli and Juan P. Garrahan "Perspective: The glass transition", Journal of Chemical Physics '''138''' 12A301 (2013)] | |||
[[category: Non-equilibrium thermodynamics]] | [[category: Non-equilibrium thermodynamics]] | ||
Latest revision as of 16:12, 22 November 2016
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In the laboratory the glass transition is not a sharp transition; its properties change smoothly across .
- increases with a decrease in the observation time, .
Ideal glass transition temperature[edit]
Observation time[edit]
Intrinsic average structural relaxation time[edit]
Pressure dependence of glass transition temperature[edit]
See also[edit]
References[edit]
Related reading
- Prabhat K. Gupta and John C. Mauro "The laboratory glass transition", Journal of Chemical Physics 126 224504 (2007)
- Vassiliy Lubchenko and Peter G. Wolynes "Theory of Structural Glasses and Supercooled Liquids", Annual Review of Physical Chemistry 58 pp. 235-266 (2007)
- C. Patrick Royall, Stephen R. Williams, Takehiro Ohtsuka and Hajime Tanaka "Direct observation of a local structural mechanism for dynamic arrest", Nature Materials 7 pp. 556-561 (2008)
- Stephen R. Williams, Debra J. Searles, and Denis J. Evans "The glass transition and the Jarzynski equality", Journal of Chemical Physics 129 134504 (2008)
- Ning Xu, Thomas K. Haxton, Andrea J. Liu, and Sidney R. Nagel "Equivalence of Glass Transition and Colloidal Glass Transition in the Hard-Sphere Limit", Physical Review Letters 103 245701 (2009)
- Florent Krzakala and Lenka Zdeborová "On melting dynamics and the glass transition. I. Glassy aspects of melting dynamics", Journal of Chemical Physics 134 034512 (2011)
- Florent Krzakala and Lenka Zdeborová "On melting dynamics and the glass transition. II. Glassy dynamics as a melting process", Journal of Chemical Physics 134 034513 (2011)
- Jürn W. P. Schmelzer "Kinetic criteria of glass formation and the pressure dependence of the glass transition temperature", Journal of Chemical Physics 136 074512 (2012)
- Reviews