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Pulsed laser deposition of the LaVO4:Eu, Ca nanoparticles on glass and silicon substrates

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Abstract

Thin films from the LaVO4:Eu, Ca nanoparticles were successfully grown by pulsed laser deposition method on glass and silicon substrates for the first time. Morphology and thickness of the films depend on the type of substrate and number of pulses. The films are of 27–220 nm thickness and formed by very small particles (up to 20 nm) and also can contain single nanoparticles with dimensions of 40–60 nm and sometimes agglomerates of nanoparticles. Spectral properties of the samples have been investigated and discussed. The vanadate films deposited on the silicon substrates lead to appearance of antireflection properties in the visible range. Luminescence spectra of the investigated films consist of narrow lines caused by f–f transitions in the Eu3+ ions. For the samples on glass substrates the wide bands of glass emission also contributed to the spectra. The optimal experimental conditions which allowed to obtain films with promising applications as luminescent converters are considered.

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Acknowledgements

This work has received funding from Ministry of Education and Science of Ukraine (University’s Science Grant Program and Bilateral Grant Program) and from the EU-H2020 research and innovation program under grant agreement No 654360 having benefited from the access provided by Institute of Electronic Structure & Laser (IESL) of Foundation for Research & Technology Hellas (FORTH) in Heraklion, Crete, Greece and Paul Scherrer Institut (PSI), Villigen, Switzerland within the framework of the NFFA-Europe Transnational Access Activity. Authors thanks Dr. Dimitrios Kazazis (PSI) for his kind support with the thin film metrology experiments (thicknesses of the films).

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Correspondence to O. Chukova.

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Chukova, O., Nedilko, S.A., Nedilko, S.G. et al. Pulsed laser deposition of the LaVO4:Eu, Ca nanoparticles on glass and silicon substrates. Appl Nanosci 10, 5053–5061 (2020). https://doi.org/10.1007/s13204-020-01503-x

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  • DOI: https://doi.org/10.1007/s13204-020-01503-x

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