Fabrication of multicomponent nanowires by laser ablation of mixed target in a presence of magnetic field

Rumen G. Nikov; Anna Og. Dikovska; Nikolay N. Nedyalkov; Georgi V. Avdeev

doi:10.1117/12.2516641

29 January 2019 Fabrication of multicomponent nanowires by laser ablation of mixed target in a presence of magnetic field

Rumen G. Nikov, Anna Og. Dikovska, Nikolay N. Nedyalkov, Georgi V. Avdeev

Author Affiliations +

Proceedings Volume 11047, 20th International Conference and School on Quantum Electronics: Laser Physics and Applications; 110470M (2019) https://doi.org/10.1117/12.2516641
Event: International Conference and School on Quantum Electronics "Laser Physics and Applications": ICSQE 2018, 2018, Nessebar, Bulgaria

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.

Citation Download Citation

Rumen G. Nikov, Anna Og. Dikovska, Nikolay N. Nedyalkov, and Georgi V. Avdeev "Fabrication of multicomponent nanowires by laser ablation of mixed target in a presence of magnetic field", Proc. SPIE 11047, 20th International Conference and School on Quantum Electronics: Laser Physics and Applications, 110470M (29 January 2019); https://doi.org/10.1117/12.2516641

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