On extrapolating a supercooled liquid's excess entropy, the vibrational component, and reinterpreting the configurational entropy theory

Article Abstract:

The way in which various contributions to the entropy changed with temperature is analyzed with the help of geometrical arguments and entropy data. The inference for a thermodynamic transition in an equilibrium liquid at T>0 K is obtainable from the configurational entropy formalism in both forms of uncrystallizable polymers and molecular liquids.

Analysis, Supercooled liquids, Thermal properties, Mechanical properties, Entropy (Physics), Entropy (Thermodynamics)

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The dielectric spectrum of ubiquitin in aqueous solution

Article Abstract:

A report is presented on frequency-dependent dielectric spectra of aqueous solutions of the globular protein ubiquitin at weight fractions of the protein up to wp=0.03. The spectra revealed a bimodal structure with two dominant dispersion or loss regimes near 20 MHz and 10 GHz.

Electric properties, Spectra, Ubiquitin, Biomolecules, Aqueous solution reactions, Chemical properties

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Ab initio calculation of phase diagrams of oxides

Article Abstract:

Monte Carlo simulations are used to calculate the solid and liquid phase diagrams for oxides. The characteristic features along with the eutectic point and the regions of liquid-solid coexistence of MgO/CaO phase diagrams are presented.

Usage, Oxides, Monte Carlo method, Monte Carlo methods, Phase diagrams

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