Agglomeration of Nanowires on a Substrate for Surface-Enhanced Raman Scattering

An energy criterion is proposed for the level of agglomeration (coalescence) of nanowires fixed at the base on a rigid substrate and immersed in a continuous medium (air, liquid), which excludes capillary phenomena. This criterion, based on the competition between the elastic energy of a bent nanowi...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2021-05, Vol.132 (5), p.818-823
Main Authors: Razumovskaya, I. V., Kovalets, N. P., Bedin, S. A., Grigor’ev, Yu. V.
Format: Article
Language:English
Subjects:
Agglomeration
Classical and Quantum Gravitation
Coalescing
Criteria
Disorder
Elementary Particles
Free energy
Heat of formation
Nanowires
Order
Particle and Nuclear Physics
Phase Transition in Condensed System
Physics
Physics and Astronomy
Quantum Field Theory
Raman spectra
Relativity Theory
Solid State Physics
Substrates
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Summary:An energy criterion is proposed for the level of agglomeration (coalescence) of nanowires fixed at the base on a rigid substrate and immersed in a continuous medium (air, liquid), which excludes capillary phenomena. This criterion, based on the competition between the elastic energy of a bent nanowire and its surface formation energy, can also be applied to the attachment of nanowires to a surface and (in a modified form) to the coalescence of details of micro- and nanomachines. Nanowires for surface-enhanced Raman scattering, obtained by template synthesis based on track membranes, with subsequent removal of polymer, are considered as a specific example.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776121050058