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Artificial Luminescence from the Coral Surface: Study of a SrAl2O4:Eu2+, Dy3+-Based Phosphor

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Abstract

An artificial block of concrete and sand was made, coated with a SrAl2O4:Eu2+, Dy3+-based phosphor, and a new direction in the study and application of persistent phosphors was proposed. For the first time underwater luminescence on the coral surface was experimentally studied in real sea conditions. A bright, long-lasting blue-green afterglow was registered from a depth of 5 m. Fishes were attracted to the light of this artificial reef.

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Authors and Affiliations

  1. Institute of Applied Physics, MD-2028, Chisinau, Republic of Moldova

    M. Nazarov

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  1. M. Nazarov
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Correspondence to M. Nazarov.

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Nazarov, M. Artificial Luminescence from the Coral Surface: Study of a SrAl2O4:Eu2+, Dy3+-Based Phosphor. J. Surf. Investig. 15, 1102–1108 (2021). https://doi.org/10.1134/S1027451021050360

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  • DOI: https://doi.org/10.1134/S1027451021050360

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