Publikation:

Direct measurement of entropic forces induced by rigid rods

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312_physrevlett_2003.pdf
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2003

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Helden, Laurent
Roth, Roland
Koenderink, Gijsje H.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-27648
DOI (zitierfähiger Link)
https://doi.org/10.1103/PhysRevLett.90.048301
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Open Access Green

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Published

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Physical Review Letters. 2003, 90, 048301. Available under: doi: 10.1103/PhysRevLett.90.048301

Zusammenfassung

We present the first direct depletion potential measurements for a single colloidal sphere close to a wall in a suspension of rigid colloidal rods. Since all particle interactions are as good as hard-core-like, the depletion potentials are of entirely entropic origin. We developed a density functional theory approach that accurately accounts for this experimental situation. The depletion potentials calculated for different rod number densities are in very good quantitative agreement with the experimental results.

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530 Physik

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ISO 690HELDEN, Laurent, Roland ROTH, Gijsje H. KOENDERINK, Paul LEIDERER, Clemens BECHINGER, 2003. Direct measurement of entropic forces induced by rigid rods. In: Physical Review Letters. 2003, 90, 048301. Available under: doi: 10.1103/PhysRevLett.90.048301
BibTex
@article{Helden2003Direc-9105,
  year={2003},
  doi={10.1103/PhysRevLett.90.048301},
  title={Direct measurement of entropic forces induced by rigid rods},
  volume={90},
  journal={Physical Review Letters},
  author={Helden, Laurent and Roth, Roland and Koenderink, Gijsje H. and Leiderer, Paul and Bechinger, Clemens},
  note={Article Number: 048301}
}
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