Photoluminescence Centers in Porcelain


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Abstract

Time-resolved luminescence with excitation by molecular-nitrogen laser radiation was used to study samples of porcelain. A combination of bands of optically active centers [OAC] was found in the photoluminescence spectra of hard, soft, and bone porcelain: proper centers Î*Si and Î*Al and impurity centers Mn2+, Cr3+, Fe3+, Dy3+, and Sm3+ as well as molecular centers [UO2]2+. Aband of the OAC Fe3+, differing in intensity, was identified in all three porcelain samples.

About the authors

V. A. Rassulov

N. M. Fedorovskii All-Russia Institute of Mineral Raw Materials

Author for correspondence.
Email: rassulov@mail.ru
Russian Federation, Moscow

R. A. Platova

G. V. Plekhanov Russian Economics University

Email: rassulov@mail.ru
Russian Federation, Moscow

Yu. T. Platov

G. V. Plekhanov Russian Economics University

Email: rassulov@mail.ru
Russian Federation, Moscow

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