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Colloidal particle ...
Colloidal particle aggregation in three dimensions
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- Häbel, Henrike, 1987 (author)
- Karolinska Institutet,Chalmers tekniska högskola,Chalmers University of Technology
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- Särkkä, Aila, 1962 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper,Department of Mathematical Sciences,Chalmers tekniska högskola,Chalmers University of Technology
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- Rudemo, Mats, 1937 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper,Department of Mathematical Sciences,Chalmers tekniska högskola,Chalmers University of Technology
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- Hamngren Blomqvist, Charlotte, 1984 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg,Chalmers tekniska högskola,Chalmers University of Technology
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- Olsson, Eva, 1960 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nordin, Matias, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Srkk, A (author)
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(creator_code:org_t)
- 2019-07-10
- 2019
- English.
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In: Journal of Microscopy. - : Wiley. - 0022-2720 .- 1365-2818. ; 275:3, s. 149-158
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Abstract
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- Colloidal systems are of importance not only for everyday products, but also for the development of new advanced materials. In many applications, it is crucial to understand and control colloidal interaction. In this paper, we study colloidal particle aggregation of silica nanoparticles, where the data are given in a three-dimensional micrograph obtained by high-angle annular dark field scanning transmission electron microscopy tomography. We investigate whether dynamic models for particle aggregation, namely the diffusion limited cluster aggregation and the reaction limited cluster aggregation models, can be used to construct structures present in the scanning transmission electron microscopy data. We compare the experimentally obtained silica aggregate to the simulated postaggregated structures obtained by the dynamic models. In addition, we fit static Gibbs point process models, which are commonly used models for point patterns with interactions, to the silica data. We were able to simulate structures similar to the silica structures by using Gibbs point process models. By fitting Gibbs models to the simulated cluster aggregation patterns, we saw that a smaller probability of aggregation would be needed to construct structures similar to the observed silica particle structure.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Biofysik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biophysics (hsv//eng)
Keyword
- Colloidal aggregation
- Gibbs point process
- Potential function
- Spatial cluster analysis
- Silica nanoparticle gel
- interaction potentials
- likelihood inference
- brownian-motion
- silica
- diffusion
- transition
- field
- simulations
- stability
- model
- Microscopy
- Gibbs point process
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Häbel, Henrike, ...
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Särkkä, Aila, 19 ...
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Rudemo, Mats, 19 ...
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Hamngren Blomqvi ...
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Olsson, Eva, 196 ...
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Nordin, Matias, ...
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Srkk, A
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Biophysics
- Articles in the publication
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Journal of Micro ...
- By the university
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University of Gothenburg
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Chalmers University of Technology
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Karolinska Institutet