Publikation:

Criticality and phase separation in a two-dimensional binary colloidal fluid induced by the solvent critical behavior

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Zvyagolskaya_0-412624.pdf
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2011

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Zvyagolskaya, Olga
Archer, Andrew J.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-0-412624
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https://doi.org/10.1209/0295-5075/96/28005
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EPL : Europhysics Letters. 2011, 96(2), 28005. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/0295-5075/96/28005

Zusammenfassung

We present an experimental and theoretical study of the phase behavior of a binary mixture of colloids with opposite adsorption preferences in a critical solvent. As a result of the attractive and repulsive critical Casimir forces, the critical fluctuations of the solvent lead to a further critical point in the colloidal system, i.e. to a critical colloidal-liquid–colloidal-liquid demixing phase transition which is controlled by the solvent temperature. Our experimental findings are in good agreement with calculations based on a simple approximation for the free energy of the system.

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ISO 690ZVYAGOLSKAYA, Olga, Andrew J. ARCHER, Clemens BECHINGER, 2011. Criticality and phase separation in a two-dimensional binary colloidal fluid induced by the solvent critical behavior. In: EPL : Europhysics Letters. 2011, 96(2), 28005. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/0295-5075/96/28005
BibTex
@article{Zvyagolskaya2011-10-01Criti-39380,
  year={2011},
  doi={10.1209/0295-5075/96/28005},
  title={Criticality and phase separation in a two-dimensional binary colloidal fluid induced by the solvent critical behavior},
  number={2},
  volume={96},
  issn={0295-5075},
  journal={EPL : Europhysics Letters},
  author={Zvyagolskaya, Olga and Archer, Andrew J. and Bechinger, Clemens},
  note={Article Number: 28005}
}
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