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Sylwester J. Rzoska

Researcher at Polish Academy of Sciences

Publications -  238
Citations -  4300

Sylwester J. Rzoska is an academic researcher from Polish Academy of Sciences. The author has contributed to research in topics: Dielectric & Liquid crystal. The author has an hindex of 33, co-authored 216 publications receiving 3570 citations. Previous affiliations of Sylwester J. Rzoska include University of Silesia in Katowice & Silesian University.

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Pretransitional behavior of dielectric permittivity on approaching a clearing point in a mixture of nematogens with antagonistic configurations of dipoles.

TL;DR: A derivative analysis detected the existence of a pretransitional anomaly even if its weakness made a straightforward epsilon(T) fit impossible, which can be well portrayed by fluidlike equations, isomorphic to that applied in critical binary mixtures.
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Revisiting the Dependence of Poisson's Ratio on Liquid Fragility and Atomic Packing Density in Oxide Glasses.

TL;DR: This work revisits whether previously proposed relationships between Poisson’s ratio and liquid fragility (m) and atomic packing density (Cg) hold for oxide glasses, and synthesized new oxide glasses within the zinc borate and aluminoborate families that are found to exhibit high Poisson's ratio values up to ~0.34.
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Liquid–liquid phase equilibria in nitrobenzene–hexane critical mixture under negative pressure

TL;DR: In this paper, a new method was presented to determine the liquid-liquid critical locus of a binary liquid mixture (nitrobenzene/nhexane) under negative pressure, using experimental data obtained from measurements performed on positive pressures.
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Structural Compromise between High Hardness and Crack Resistance in Aluminoborate Glasses.

TL;DR: This study substitutes alkaline earth for alkali network-modifying species at fixed aluminoborate base glass composition and correlates it with changes in the structure, mechanical properties, and densification behavior, finding that the extent of volume densification scales linearly with the number of pressure-induced coordination number changes of B and Al.
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Dielectric relaxation in compressed glassy and orientationally disordered mixed crystals

TL;DR: In this paper, the results of isobaric and isothermal studies of dielectric relaxation in a vitrifying orientationally disordered crystal were discussed, and it was concluded that the decoupling of translational and orientational degrees of freedom may be the key mechanism responsible for the validity of the DSM description for glassy systems.