Variation along liquid isomorphs of the driving force for crystallization

Variation along liquid isomorphs of the driving force for crystallization

We investigate the variation of the driving force for crystallization of a supercooled liquid along isomorphs, curves along which structure and dynamics are invariant. The variation is weak, and can be predicted accurately for the Lennard-Jones fluid using a recently developed formalism and data...

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Main Author: Ulf R. Pedersen, Karolina Adrjanowicz, Kristine Niss, Nicholas P. Bailey
Format: Article
Language:English
Published: SciPost 2017-06-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.2.3.022
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spelling doaj-cd05bf5a728540e3848fa72654b810212020-11-25T00:26:36ZengSciPostSciPost Physics2542-46532017-06-012302210.21468/SciPostPhys.2.3.022Variation along liquid isomorphs of the driving force for crystallizationUlf R. Pedersen, Karolina Adrjanowicz, Kristine Niss, Nicholas P. BaileyWe investigate the variation of the driving force for crystallization of a supercooled liquid along isomorphs, curves along which structure and dynamics are invariant. The variation is weak, and can be predicted accurately for the Lennard-Jones fluid using a recently developed formalism and data at a reference temperature. More general analysis allows interpretation of experimental data for molecular liquids such as dimethyl phthalate and indomethacin, and suggests that the isomorph scaling exponent $\gamma$ in these cases is an increasing function of density, although this cannot be seen in measurements of viscosity or relaxation time.https://scipost.org/SciPostPhys.2.3.022
collection DOAJ
language English
format Article
sources DOAJ
author Ulf R. Pedersen, Karolina Adrjanowicz, Kristine Niss, Nicholas P. Bailey
spellingShingle Ulf R. Pedersen, Karolina Adrjanowicz, Kristine Niss, Nicholas P. Bailey
Variation along liquid isomorphs of the driving force for crystallization
SciPost Physics
author_facet Ulf R. Pedersen, Karolina Adrjanowicz, Kristine Niss, Nicholas P. Bailey
author_sort Ulf R. Pedersen, Karolina Adrjanowicz, Kristine Niss, Nicholas P. Bailey
title Variation along liquid isomorphs of the driving force for crystallization
title_short Variation along liquid isomorphs of the driving force for crystallization
title_full Variation along liquid isomorphs of the driving force for crystallization
title_fullStr Variation along liquid isomorphs of the driving force for crystallization
title_full_unstemmed Variation along liquid isomorphs of the driving force for crystallization
title_sort variation along liquid isomorphs of the driving force for crystallization
publisher SciPost
series SciPost Physics
issn 2542-4653
publishDate 2017-06-01
description We investigate the variation of the driving force for crystallization of a supercooled liquid along isomorphs, curves along which structure and dynamics are invariant. The variation is weak, and can be predicted accurately for the Lennard-Jones fluid using a recently developed formalism and data at a reference temperature. More general analysis allows interpretation of experimental data for molecular liquids such as dimethyl phthalate and indomethacin, and suggests that the isomorph scaling exponent $\gamma$ in these cases is an increasing function of density, although this cannot be seen in measurements of viscosity or relaxation time.
url https://scipost.org/SciPostPhys.2.3.022
work_keys_str_mv AT ulfrpedersenkarolinaadrjanowiczkristinenissnicholaspbailey variationalongliquidisomorphsofthedrivingforceforcrystallization
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