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Multifractal analysis of nanoparticle aggregates
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.ORCID iD: gni26208
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
1998 (English)Conference paper, Poster (Other academic)
Abstract [en]

In this paper we assess the suitability of box-counting for determining the multifractal dimensions of nanoparticle aggregates. The algorithm was first tested on deterministic multifractal structures. The method was also applied to electron micrographs of gas evaporated cobalt particle aggregates. The finite fractal range due to a rather small correlation length complicated the analysis. Clear evidence of a multifractal structure was found for a sample consisting of superparamagnetic particles, which generally have diameters below 10 nm. No indications of multifractality was found for aggregates consisting of larger ferromagnetic particles.

Place, publisher, year, edition, pages
1998.
National Category
Condensed Matter Physics
Research subject
Engineering Science with specialization in Solid State Physics
Identifiers
URN: urn:nbn:se:uu:diva-319628OAI: oai:DiVA.org:uu-319628DiVA: diva2:1087300
Conference
Advanced Nanomaterials from Vapors Conf., Uppsala, June 1998
Available from: 2017-04-06 Created: 2017-04-06 Last updated: 2017-04-10Bibliographically approved

Open Access in DiVA

fulltext(2597 kB)30 downloads
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