Please use this identifier to cite or link to this item: doi:10.22028/D291-36039
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Title: Stabilization of ultrathin nanowires by self-assembly into bundles
Author(s): Bettscheider, Simon
Kraus, Tobias
Fleck, Norman A.
Language: English
Title: Acta materialia
Volume: 231
Publisher/Platform: Elsevier
Year of Publication: 2022
Publikation type: Journal Article
Abstract: The relative tendency of freely dispersed and bundled gold nanowires to break up along their length by the Rayleigh–Plateau instability is investigated both experimentally and theoretically. Small angle X-ray scattering, in combination with transmission electron microscopy, reveal that the bundling of nanowires can enhance their stability. The experimental observation is rationalized by a linear perturbation analysis of a representative unit cell of bundled wires. A stability map is constructed for a bundle of nanowires to display the sensitivity of the Rayleigh–Plateau instability to the number and size of contacts with nearest neighbors per nanowire, and to the ratio of interfacial energy to surface energy. Stabilisation is enhanced by allowing the bundle of wires to sinter freely: a criterion for this kinetically-based stabilisation is given in terms of the ratio of pinch-off time for the instability to the sintering time to form the necks between nanowires.
DOI of the first publication: 10.1016/j.actamat.2022.117799
URL of the first publication:
Link to this record: hdl:20.500.11880/32836
ISSN: 1359-6454
Date of registration: 22-Apr-2022
Faculty: NT - Naturwissenschaftlich- Technische Fakultät
Department: NT - Chemie
Professorship: NT - Prof. Dr. Tobias Kraus
Collections:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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