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Quantitative 3D analysis of huge nanoparticle assemblies
- Source :
- Nanoscale, 8(1), 292-299, Nanoscale
- Publication Year :
- 2016
- Publisher :
- Royal Society of Chemistry (RSC), 2016.
-
Abstract
- Nanoparticle assemblies can be investigated in 3 dimensions using electron tomography. However, it is not straightforward to obtain quantitative information such as the number of particles or their relative position. This becomes particularly difficult when the number of particles increases. We propose a novel approach in which prior information on the shape of the individual particles is exploited. It improves the quality of the reconstruction of these complex assemblies significantly. Moreover, this quantitative Sparse Sphere Reconstruction approach yields directly the number of particles and their position as an output of the reconstruction technique, enabling a detailed 3D analysis of assemblies with as many as 10 000 particles. The approach can also be used to reconstruct objects based on a very limited number of projections, which opens up possibilities to investigate beam sensitive assemblies where previous reconstructions with the available electron tomography techniques failed.
- Subjects :
- Particle number
Computer science
Physics
3d analysis
Nanoparticle
02 engineering and technology
010402 general chemistry
021001 nanoscience & nanotechnology
computer.software_genre
01 natural sciences
0104 chemical sciences
Chemistry
Electron tomography
Position (vector)
General Materials Science
Data mining
0210 nano-technology
Biological system
Engineering sciences. Technology
computer
Prior information
Beam (structure)
Subjects
Details
- ISSN :
- 20403372 and 20403364
- Volume :
- 8
- Database :
- OpenAIRE
- Journal :
- Nanoscale
- Accession number :
- edsair.doi.dedup.....b766c0f38a1241b847acc3f78e863c32