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Proceedings Paper

Fabrication of multicomponent nanowires by laser ablation of mixed target in a presence of magnetic field
Author(s): Rumen G. Nikov; Anna Og. Dikovska; Nikolay N. Nedyalkov; Georgi V. Avdeev
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Paper Abstract

This paper presents a method for fabrication of oriented multicomponent nanowires composed by nanoparticles. The technology is based on nanosecond pulsed laser deposition of mixed target in the presence of an external magnetic field. The targets used for the ablation process consist of Fe2O3 and Ag2O with different ratio between them. The laser ablation is implemented in air at atmospheric pressure by using Nd:YAG laser system operated at 1064 nm. SEM analysis of the surface of the as-deposited samples reveals a presence of micrometric nanowires which are predominantly oriented in the direction of the magnetic field. These nanowires are composed by arranged nanoparticles formed in the plasma plume. The influence is investigated of the Fe2O3/Ag2O ratio in the target on the morphology and optical properties of the structures. Surface plasmon resonance band of Ag nanoparticles was observed in the transmission spectra of the samples with the highest Ag content. The material composition of the samples was identified by EDX and XRD analyzes. The obtained structures can find application in the fields of nanoelectronics, spintronics, magneto-optics and plasmonics.

Paper Details

Date Published: 29 January 2019
PDF: 5 pages
Proc. SPIE 11047, 20th International Conference and School on Quantum Electronics: Laser Physics and Applications, 110470M (29 January 2019); doi: 10.1117/12.2516641
Show Author Affiliations
Rumen G. Nikov, Institute of Electronics (Bulgaria)
Anna Og. Dikovska, Institute of Electronics (Bulgaria)
Nikolay N. Nedyalkov, Institute of Electronics (Bulgaria)
Georgi V. Avdeev, Institute of Physical Chemistry (Bulgaria)

Published in SPIE Proceedings Vol. 11047:
20th International Conference and School on Quantum Electronics: Laser Physics and Applications
Tanja N. Dreischuh; Latchezar A. Avramov, Editor(s)

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