Forskningsoutput per år
Forskningsoutput per år
Calle Preger, Martin Josefsson, Rasmus Westerström, Maria E. Messing
Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review
Directed self-assembly of nanoparticles (NPs) is a promising strategy for bottom-up fabrication of nanostructured materials with tailored composition and morphology. Here, we present a simple and highly flexible method where charged magnetic aerosolized (i.e. suspended in a gas) NPs with tunable size and composition are self-assembled into nanostructures using combined electric and magnetic fields. Size-selected Co, Ni, and Fe NPs have been generated by spark ablation, and self-assembled into different structures, ranging from one-dimensional nanochains to macroscopic three-dimensional networks. By comparing the resulting structures with simulations, we can conclude that the magnetization of the NPs governs the self-assembly through interparticle magnetic dipole−dipole interactions. We also show how the orientation of the external magnetic field directs the self-assembly into differently aligned nano- and macroscopic structures. These results demonstrate how aerosol deposition in a combined electric and magnetic field can be used for directed bottom-up self-assembly of nanostructures with specialized composition and morphology.
Originalspråk | engelska |
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Artikelnummer | 195603 |
Tidskrift | Nanotechnology |
Volym | 32 |
Nummer | 19 |
DOI | |
Status | Published - 2021 |
Forskningsoutput: Konferensbidrag › Konferensabstract › Peer review
Sedrpooshan, M. (Roll ej angiven), Ternero, P. (Roll ej angiven), Preger, C. (Roll ej angiven), Burke, A. (Roll ej angiven), Messing, M. (Roll ej angiven) & Westerström, R. (Roll ej angiven)
Aktivitet: Föredrag eller presentation › Inbjuden talare