Magnetic Nanoparticles Produced by Pulsed Laser Ablation of Thin Cobalt Films in Water

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发表日期：

2024年4月24日

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I. O. Dzhun,
V. Yu. Nesterov,
D. V. Shuleiko,
S. V. Zabotnov,
D. E. Presnov,
Yu. A. Alekhina,
E. A. Konstantinova,
N. S. Perov,
N. G. Chechenin

摘要

Abstract

The possibility of synthesizing nanoparticles by pulsed laser ablation of thin cobalt films in water is shown. The average size of the formed nanoparticles varies in the range of 70–1020 nm depending on the thickness of the ablated film. At film thicknesses less than 35 nm, the size dispersion of the nanoparticles is minimum. The produced nanoparticles are characterized by magnetic response and structurally most closely correspond to cobalt oxide Co₃O₄.