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Surviving Structure in Colloidal Suspensions Squeezed from 3D to 2D

Klapp, Sabine H. L. ; Zeng, Yan ; Qu, Dan ; Klitzing, Regine von (2022)
Surviving Structure in Colloidal Suspensions Squeezed from 3D to 2D.
In: Physical Review Letters, 100 (11)
doi: 10.26083/tuprints-00019942
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Surviving Structure in Colloidal Suspensions Squeezed from 3D to 2D
Language: English
Date: 2022
Place of Publication: Darmstadt
Publisher: APS
Journal or Publication Title: Physical Review Letters
Volume of the journal: 100
Issue Number: 11
Collation: 4 Seiten
DOI: 10.26083/tuprints-00019942
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Origin: Secondary publication service

Combining colloidal-probe experiments and computer simulations, we analyze the solvation forces F of charged silica colloids confined in films of various thicknesses h. We show that the oscillations characterizing F(h), for sufficiently large h, are determined by the dominant wavelength of the bulk radial distribution function. As a consequence, both quantities display the same power-law density dependence. This is the first direct evidence, in a system treatable both by experiment and by simulation, that the structural wavelength in bulk and confinement coincide, in agreement with predictions from density functional theory. Moreover, theoretical and experimental data are in excellent quantitative agreement.

Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-199424
Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics > Institute for Condensed Matter Physics
Date Deposited: 02 Dec 2022 12:48
Last Modified: 17 Mar 2023 09:10
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/19942
PPN: 506093522
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