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  Charging changes contact composition in binary sphere packings

Schella, A., Weis, S., & Schröter, M. (2017). Charging changes contact composition in binary sphere packings. Physical Review E, 95(6): 062903. doi:10.1103/PhysRevE.95.062903.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-99FD-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-7897-E
Genre: Journal Article

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 Creators:
Schella, André1, Author              
Weis, Simon, Author
Schröter, Matthias2, Author              
Affiliations:
1Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063299              
2Group 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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Free keywords: Granular packing, Granular materials
 Abstract: Equal volume mixtures of small and large polytetrafluorethylene spheres are shaken in an atmosphere of controlled humidity which allows one to also control their tribocharging. We find that the contact numbers are charge dependent: As the charge density of the beads increases, the number of same-type contacts decreases and the number of opposite-type contacts increases. This change is not caused by a global segregation of the sample. Hence, tribocharging can be a way to tune the local composition of a granular material.

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Language(s): eng - English
 Dates: 2017-06-152017-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevE.95.062903
 Degree: -

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Title: Physical Review E
Source Genre: Journal
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Publ. Info: -
Pages: 6 Volume / Issue: 95 (6) Sequence Number: 062903 Start / End Page: - Identifier: ISSN: 1539-3755