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  Nucleation in sheared granular matter

Rietz, F., Radin, C., Swinney, H. L., & Schröter, M. (2018). Nucleation in sheared granular matter. Physical Review Letters, 120(5): 055701. doi:10.1103/PhysRevLett.120.055701.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-6358-E Version Permalink: http://hdl.handle.net/21.11116/0000-0003-C9BC-7
Genre: Journal Article

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 Creators:
Rietz, Frank1, Author              
Radin, Charles, Author
Swinney, Harry L., Author
Schröter, Matthias1, Author              
Affiliations:
1Group Statistical mechanics of granular media, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063310              

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 Abstract: We present an experiment on crystallization of packings of macroscopic granular spheres. This system is often considered to be a model for thermally driven atomic or colloidal systems. Cyclically shearing a packing of frictional spheres, we observe a first order phase transition from a disordered to an ordered state.The ordered state consists of crystallites of mixed fcc and hcp symmetry that coexist with the amorphous bulk. The transition, initiated by homogeneous nucleation, overcomes a barrier at 64.5% volume fraction.Nucleation consists predominantly of the dissolving of small nuclei and the growth of nuclei that have reached a critical size of about ten spheres.

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Language(s): eng - English
 Dates: 2018-02-022018-02-02
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.120.055701
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Title: Physical Review Letters
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: 5 Volume / Issue: 120 (5) Sequence Number: 055701 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1