Free Volume in Thermodynamics
A special issue of Entropy (ISSN 1099-4300). This special issue belongs to the section "Thermodynamics".
Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 4976
Special Issue Editor
2. Department of Polymer Science, The University of Akron, Akron, OH 44325, USA
Interests: phase transitions and critical phenomena; non-equilibrium statistical thermodynamics; bulk and confined space thermodynamics; polymer physics; solution theory; combinatorics and graph theory; renormalization group and field theory
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The concept of free volume and its distribution are used to explain molecular motion and compressibility in systems such as liquids and solids (amorphous or crystalline). Usually, free volume increases with increasing temperature, and so it is central to the concept of molecular motion, diffusion, mobility, cavity structures and emergent elasticity. For this reason, it plays an important role in thermodynamics such as in glass transitions, as evidenced by the spectacular success of the phenomenological Doolittle model. The experimental determination of free volume (e.g., through positron annihilation spectroscopy) and its explanation in terms of theoretical approaches (e.g., hole theory) or computer simulations (e.g., using Voronoi tessellation) depends on how free volume is defined. This Special Issue is an attempt to draw together various authors who can contribute to different aspects of this important field in thermodynamics, its historic development, and its relationship with other modern theories, such as the mode-coupling theory.
Prof. Dr. Purushottam D. Gujrati
Guest Editor
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Keywords
- free volume
- void
- hole
- microvoid
- distribution
- polymers
- glass transition
- diffusion
- self-diffusion
- thermal fluctuations
- activation processes
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