Density-induced reentrant melting of colloidal Wigner crystals.
(2016) In Physical chemistry chemical physics : PCCP- Abstract
- Electrostatic repulsions can drive crystallization in many-particle systems. For charged colloidal systems, the phase boundaries as well as crystal structure are highly tunable by experimental parameters such as salt concentration and pH. By using projections of the colloid-ion mixture to a system of (soft) repulsive spheres and the one-component plasma (OCP), we study the hitherto unexplained experimentally observed reentrant melting of electrostatically repelling colloids upon increasing the colloid density. Our study shows that the surface chemistry should involve a competition between adsorption of cations and anions to explain the observed density-induced reentrant melting.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/8573546
- author
- Everts, J C ; Boon, Niels LU and van Roij, R
- organization
- publishing date
- 2016-01-20
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Physical chemistry chemical physics : PCCP
- publisher
- Royal Society of Chemistry
- external identifiers
-
- pmid:26814798
- scopus:84958225335
- wos:000370421500018
- pmid:26814798
- ISSN
- 1463-9084
- DOI
- 10.1039/c5cp07943h
- language
- English
- LU publication?
- yes
- id
- 9ad83ac8-ab38-4b2c-bd46-b729db7d20f9 (old id 8573546)
- date added to LUP
- 2016-04-01 13:06:34
- date last changed
- 2022-03-13 22:12:23
@article{9ad83ac8-ab38-4b2c-bd46-b729db7d20f9,
abstract = {{Electrostatic repulsions can drive crystallization in many-particle systems. For charged colloidal systems, the phase boundaries as well as crystal structure are highly tunable by experimental parameters such as salt concentration and pH. By using projections of the colloid-ion mixture to a system of (soft) repulsive spheres and the one-component plasma (OCP), we study the hitherto unexplained experimentally observed reentrant melting of electrostatically repelling colloids upon increasing the colloid density. Our study shows that the surface chemistry should involve a competition between adsorption of cations and anions to explain the observed density-induced reentrant melting.}},
author = {{Everts, J C and Boon, Niels and van Roij, R}},
issn = {{1463-9084}},
language = {{eng}},
month = {{01}},
publisher = {{Royal Society of Chemistry}},
series = {{Physical chemistry chemical physics : PCCP}},
title = {{Density-induced reentrant melting of colloidal Wigner crystals.}},
url = {{http://dx.doi.org/10.1039/c5cp07943h}},
doi = {{10.1039/c5cp07943h}},
year = {{2016}},
}