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Fu L, Bian C, Shields CW, et al. Assembly of hard spheres in a cylinder: a computational and experimental study. Soft Matter. 2017;13(18):3296-3306doi: 10.1039/c7sm00316a.
Fu, L., Bian, C., Shields, C. W., Cruz, D. F., López, G. P., & Charbonneau, P. (2017). Assembly of hard spheres in a cylinder: a computational and experimental study. Soft matter, 13(18), 3296-3306. https://doi.org/10.1039/c7sm00316a
Fu, Lin, et al. "Assembly of hard spheres in a cylinder: a computational and experimental study." Soft matter vol. 13,18 (2017): 3296-3306. doi: https://doi.org/10.1039/c7sm00316a
Fu L, Bian C, Shields CW, Cruz DF, López GP, Charbonneau P. Assembly of hard spheres in a cylinder: a computational and experimental study. Soft Matter. 2017 May 14;13(18):3296-3306. doi: 10.1039/c7sm00316a. Epub 2017 Apr 13. PMID: 28405662.
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Soft Matter. 2017 May 14;13(18):3296-3306. doi: 10.1039/c7sm00316a. Epub 2017 Apr 13.

Assembly of hard spheres in a cylinder: a computational and experimental study.

Soft matter

Lin Fu, Ce Bian, C Wyatt Shields, Daniela F Cruz, Gabriel P López, Patrick Charbonneau

Affiliations

  1. NSF Research Triangle Materials Research Science and Engineering Center, Duke University, Durham, NC 27708, USA. [email protected] [email protected].

PMID: 28405662 DOI: 10.1039/c7sm00316a

Abstract

Hard spheres are an important benchmark of our understanding of natural and synthetic systems. In this work, colloidal experiments and Monte Carlo simulations examine the equilibrium and out-of-equilibrium assembly of hard spheres of diameter σ within cylinders of diameter σ≤D≤ 2.82σ. Although phase transitions formally do not exist in such systems, marked structural crossovers can nonetheless be observed. Over this range of D, we find in simulations that structural crossovers echo the structural changes in the sequence of densest packings. We also observe that the out-of-equilibrium self-assembly depends on the compression rate. Slow compression approximates equilibrium results, while fast compression can skip intermediate structures. Crossovers for which no continuous line-slip exists are found to be dynamically unfavorable, which is the main source of this difference. Results from colloidal sedimentation experiments at low diffusion rate are found to be consistent with the results of fast compressions, as long as appropriate boundary conditions are used.

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