Publikation:

Ultrafast quenching of binary colloidal suspensions in an external magnetic field

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2009_Keim_Ultrafast_Quenching_of_Binary_Colloidal_Suspensions.pdf
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Datum

2009

Autor:innen

Assoud, Lahcen
Ebert, Florian
Messina, René
Löwen, Hartmut

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-89700
DOI (zitierfähiger Link)
https://doi.org/10.1103/PhysRevLett.102.238301
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Physik: Publikationen
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Published

Erschienen in

Physical Review Letters. 2009, 102(23), 238301. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.102.238301

Zusammenfassung

An ultrafast quench is applied to binary mixtures of superparamagnetic colloidal particles confined at a two-dimensional water-air interface by a sudden increase of an external magnetic field. This quench realizes a virtually instantaneous cooling which is impossible in molecular systems. Using real-space experiments, the relaxation behavior after the quench is explored. Local crystallites with triangular and square symmetry are formed on different time scales, and the correlation peak amplitude of the small particles evolves nonmonotonically in time in agreement with Brownian dynamics computer simulations.

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Fachgebiet (DDC)
530 Physik

Schlagwörter

Colloids, Computer simulation of liquid structure

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ISO 690ASSOUD, Lahcen, Florian EBERT, Peter KEIM, René MESSINA, Georg MARET, Hartmut LÖWEN, 2009. Ultrafast quenching of binary colloidal suspensions in an external magnetic field. In: Physical Review Letters. 2009, 102(23), 238301. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.102.238301
BibTex
@article{Assoud2009Ultra-9260,
  year={2009},
  doi={10.1103/PhysRevLett.102.238301},
  title={Ultrafast quenching of binary colloidal suspensions in an external magnetic field},
  number={23},
  volume={102},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Assoud, Lahcen and Ebert, Florian and Keim, Peter and Messina, René and Maret, Georg and Löwen, Hartmut},
  note={Article Number: 238301}
}
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