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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Deppert, Knut
Lund University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (41/41 displayed)
- 2023Insights into the Synthesis Mechanisms of Ag-Cu3P-GaP Multicomponent Nanoparticlescitations
- 2021Dynamic Processes in Metal-Semiconductor Nanoparticle Heterostructures
- 2021Sintering Mechanism of Core@Shell Metal@Metal-Oxide Nanoparticlescitations
- 2021Aerotaxycitations
- 2021Synthesis and characterization of Au@Zn core@shell aerosol nanoparticles generated by spark ablation and on-line PVD
- 2020Pseudo-particle continuum modelling of nanowire growth in aerotaxy
- 2020Complex Aerosol Nanostructures: Revealing the Phases from Multivariate Analysis on Elemental Maps Obtained by TEM-EDX
- 2018N-type doping and morphology of GaAs nanowires in Aerotaxycitations
- 2017From plasma to nanoparticlescitations
- 2016GaAsP Nanowires Grown by Aerotaxycitations
- 2016Length Distributions of Nanowires Growing by Surface Diffusioncitations
- 2015In-situ characterization of metal nanoparticles and their organic coatings using laser-vaporization aerosol mass spectrometrycitations
- 2015Surface morphology of Au-free grown nanowires after native oxide removal.citations
- 2013Geometric model for metalorganic vapour phase epitaxy of dense nanowire arrayscitations
- 2012High crystal quality wurtzite-zinc blende heterostructures in metal-organic vapor phase epitaxy-grown GaAs nanowirescitations
- 2012High crystal quality wurtzite-zinc blende heterostructures in metal-organic vapor phase epitaxy-grown GaAs nanowirescitations
- 2011Dynamics of extremely anisotropic etching of InP nanowires by HClcitations
- 2011Crystal structure control in Au-free self-seeded InSb wire growth.citations
- 2011Crystal structure control in Au-free self-seeded InSb wire growth.citations
- 2011Oxidation and reduction of Pd(100) and aerosol-deposited Pd nanoparticlescitations
- 2010High Performance Single Nanowire Tunnel Diodes
- 2010Control of III-V nanowire crystal structure by growth parameter tuningcitations
- 2009Effects of Supersaturation on the Crystal Structure of Gold Seeded III-V Nanowirescitations
- 2008Effects of growth conditions on the crystal structure of gold-seeded GaP nanowirescitations
- 2008Control of GaP and GaAs Nanowire Morphology through Particle and Substrate Chemical Modification.citations
- 2008High Quality InAs/InSb nanowire heterostructrues grown by metalorganic vapour phase epitaxycitations
- 2007Directed growth of branched nanowire structures
- 2007Targeted deposition of Au aerosol nanoparticles on vertical nanowires for the creation of nanotreescitations
- 2006Growth and characterization of defect free GaAs nanowirescitations
- 2006Crystal structure of branched epitaxial III-V nanotreescitations
- 2005A new understanding of au-assisted growth of III-V semiconductor nanowirescitations
- 2005Role of the Au/III-V interaction in the Au-assisted growth of III-V branched nanostructurescitations
- 2004Growth of GaP nanotree structures by sequential seeding of 1D nanowirescitations
- 2004Size- and shape-controlled GaAs nano-whiskers grown by MOVPE: a growth studycitations
- 2003Deposition of aerosol nanoparticles on flat substrate surfacescitations
- 2002One-dimensional heterostructures in semiconductor nanowhiskerscitations
- 2002Approaches to increasing yield in evaporation/condensation nanoparticle generationcitations
- 2002One-dimensional steeplechase for electrons realizedcitations
- 2002Heterointerfaces in III-V semiconductor nanowhiskers
- 2002Size- and composition controlled Au-In nanoalloy aerosol particles
- 2000Single-crystalline tungsten nanoparticles produced by thermal decomposition of tungsten hexacarbonylcitations
Places of action
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document
Complex Aerosol Nanostructures: Revealing the Phases from Multivariate Analysis on Elemental Maps Obtained by TEM-EDX
Abstract
Transmission electron microscopy (TEM) is a popular off-line technique to study aerosol nanoparticles. Coupled with an X-ray detector, high-resolution elemental maps of the sample can be obtained by scanning the focused electron beam and collecting the emitted X-ray spectra, called energy dispersive X-ray spectroscopy (EDX). Interpretation of the acquired data can be difficult in the case of complex particles having regions of different and overlapping phases because the elemental distributions do not reveal phase information. However, the resulting large datacubes collected are well-suited for multivariate statistics techniques to reveal information clouded by the noise of raw spectra. In this work, we show the comparison between two multivariate techniques, hierarchical clustering and non-negative matrix factorization, to separate elemental maps into phase maps of Cu@Ag core@shell aerosol nanoparticles and aerotaxy nanowires. We compare the results of the Cu@Ag sample to X-ray photoelectric spectroscopy measurements as an independent measure of surface composition.