Abstract
The possibility of developing a luminescence technique for phase composition analysis is demonstrated via the example of bi-phase yttria nanopowders doped with neodymium ions. The deviation from X-ray diffraction reference values is ±2%. It is found that the results depend on the inhomogeneity of the crystalline phase distribution within a sample’s bulk, rather than on the luminescence scattering by powder nanoparticles. A luminescence coefficient that determines the phase inhomogeneity in nanopowders is introduced.
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Original Russian Text © V.V. Osipov, V.I. Solomonov, A.V. Spirina, P.V. Toropova, V.A. Shitov, A.V. Chukin, S.O. Cholakh, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2017, Vol. 81, No. 9, pp. 1227–1231.
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Osipov, V.V., Solomonov, V.I., Spirina, A.V. et al. Determining the phase composition of yttrium oxide nanopowders by means of luminescence. Bull. Russ. Acad. Sci. Phys. 81, 1105–1109 (2017). https://doi.org/10.3103/S1062873817090179
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DOI: https://doi.org/10.3103/S1062873817090179