Publikation:

Bond-orientational order and Frank's constant in two-dimensional colloidal hard spheres

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2018

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Thorneywork, Alice L.
Abbott, Joshua L.
Aarts, Dirk G. A. L.
Dullens, Roel P. A.

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https://doi.org/10.1088/1361-648X/aaab31
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Physik: Publikationen
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Journal of Physics : Condensed Matter. 2018, 30(10), 104003. ISSN 0953-8984. eISSN 1361-648X. Available under: doi: 10.1088/1361-648X/aaab31

Zusammenfassung

Recently, the full phase behaviour of 2D colloidal hard spheres was experimentally established, and found to involve a first order liquid to hexatic transition and a continuous hexatic to crystal transition (Thorneywork et al 2017 Phys. Rev. Lett. 118 158001). Here, we expand upon this work by considering the behaviour of the bond-orientational correlation time and Frank's constant in the region of these phase transitions. We also consider the excess entropy, as calculated from the radial distribution functions, for a wide range of area fractions covering the liquid, hexatic and crystal phases. In all cases, the behaviour of these quantities further corroborates the previously reported melting scenario of 2D colloidal hard spheres.

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530 Physik

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2D melting, hexatic phase, hard spheres, colloids

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ISO 690THORNEYWORK, Alice L., Joshua L. ABBOTT, Dirk G. A. L. AARTS, Peter KEIM, Roel P. A. DULLENS, 2018. Bond-orientational order and Frank's constant in two-dimensional colloidal hard spheres. In: Journal of Physics : Condensed Matter. 2018, 30(10), 104003. ISSN 0953-8984. eISSN 1361-648X. Available under: doi: 10.1088/1361-648X/aaab31
BibTex
@article{Thorneywork2018-03-14Bondo-41746,
  year={2018},
  doi={10.1088/1361-648X/aaab31},
  title={Bond-orientational order and Frank's constant in two-dimensional colloidal hard spheres},
  number={10},
  volume={30},
  issn={0953-8984},
  journal={Journal of Physics : Condensed Matter},
  author={Thorneywork, Alice L. and Abbott, Joshua L. and Aarts, Dirk G. A. L. and Keim, Peter and Dullens, Roel P. A.},
  note={Article Number: 104003}
}
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