Funct. Mater. 2016; 23 (4): 582-586.
Photo- and radioluminescence of poleskiy amber
1V.Karazin Kharkiv National University, 31 Kurchatov Ave., 61108 Kharkiv, Ukraine
2Kharkiv National Agrarian University, Communist-1,62483 Kharkiv region, Ukraine
The paper presents the results of systematic study of Poliskiy amber luminescence. The experiments were performed with specimens of natural amber with a variety of physical and chemical parameters. The luminescence was excited by UV- or X-ray radiation. The photoluminescence spectra of different specimens are similar and are well approximated by two Gaussian curves with peaks of 2.48 and 2.95 eV. The luminescence spectrum excited by X-ray radiation has a maximum intensity at the wavelength near that for UV excitation, but the shape is significantly different.
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