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  Packing polydisperse colloids into crystals: When charge-dispersity matters

Bareigts, G., Kiatkirakajorn, P.-C., Li, J., Botet, R., Sztucki, M., Cabane, B., et al. (2020). Packing polydisperse colloids into crystals: When charge-dispersity matters. Physical Review Letters, 124(5): 058003. doi:10.1103/PhysRevLett.124.058003.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-85BE-F Version Permalink: http://hdl.handle.net/21.11116/0000-0006-59A6-B
Genre: Journal Article

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 Creators:
Bareigts, Guillaume, Author
Kiatkirakajorn, Pree-Cha1, Author              
Li, Joaquim, Author
Botet, Robert, Author
Sztucki, Michael, Author
Cabane, Bernard, Author
Goehring, Lucas, Author
Labbez, Christophe, Author
Affiliations:
1Group Pattern formation in the geosciences, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063304              

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 Abstract: Monte Carlo simulations, fully constrained by experimental parameters, are found to agree well with a measured phase diagram of aqueous dispersions of nanoparticles with a moderate size polydispersity over a broad range of salt concentrations, cs, and volume fractions, phi. Upon increasing phi, the colloids freeze first into coexisting compact solids then into a body centered cubic phase (bcc) before they melt into a glass forming liquid. The surprising stability of the bcc solid at high phi and cs is explained by the interaction (charge) polydispersity and vibrational entropy.

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Language(s): eng - English
 Dates: 2020-02-052020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.124.058003
 Degree: -

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Title: Physical Review Letters
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: 6 Volume / Issue: 124 (5) Sequence Number: 058003 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1