Quasi-Macroscopic Boundary Structures in 'Nonsimple' Fluids: Experiment and Model

Autor:	B. A. Altoiz, V. N. Bondarev
Rok vydání:	2020
Předmět:	010302 applied physics Materials science Physics and Astronomy (miscellaneous) Boundary (topology) Thermodynamics Substrate (electronics) 01 natural sciences 010305 fluids & plasmas Crystal Nitrobenzene chemistry.chemical_compound Adsorption chemistry Liquid crystal Phase (matter) 0103 physical sciences Molecule
Zdroj:	Technical Physics. 65:696-702
ISSN:	1090-6525 1063-7842
DOI:	10.1134/s1063784220050023
Popis:	Experiments have shown that near the boundary of a “nonsimple” fluid (such as nitrobenzene) on a solid substrate, there may exist an extended, so-called epitropic, phase with evidence of ordered arrangement of molecules (akin to that in a nematic liquid crystal). New data on the temperature dependence of the thickness of this phase in nitrobenzene on a metallic substrate are reported. These data (as well as earlier data for a nitrobenzene/quartz system) are interpreted in terms of a modified theoretical model of the epitropic phase as a pile of oligomers adhering to the substrate by means of adsorption forces. Ordering is essentially governed by lateral interactions in an ensemble of adsorbed oligomers. The possibility of boundary phase existence as a superheated crystal (in particular, nitrobenzene) stabilized by adsorption forces from the side of the substrate is discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ccc20701ac04f7b9e35c4ddae19ab922 https://doi.org/10.1134/s1063784220050023 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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