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Equilibrium grain boundary segregation and clustering of impurities in colloidal polycrystalline monolayers

Abstract:

We investigate the segregation of impurities to grain boundaries in colloidal polycrystalline monolayers using video-microscopy. A model colloidal alloy is prepared by embedding large spherical impurities in a polycrystalline monolayer of small host colloidal hard spheres, which stops grain growth at a finite grain size. The size ratio between the impurities and the host particles determines whether they behave as interstitial or substitutional impurities in the bulk crystal, akin to those in...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/acs.langmuir.6b02683

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Oxford college:
Lincoln College
Role:
Author
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Name:
European Research Council
Grant:
279541-IMCOLMAT
Publisher:
American Chemical Society
Journal:
Langmuir More from this journal
Volume:
32
Issue:
48
Pages:
12716–12724
Publication date:
2016-11-14
Acceptance date:
2016-11-14
DOI:
EISSN:
1520-5827
ISSN:
0743-7463
Pubs id:
pubs:659795
UUID:
uuid:8a8b8fc8-a4f3-4428-839a-b7f6945fd9e4
Local pid:
pubs:659795
Source identifiers:
659795
Deposit date:
2016-11-16

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