Crystal growth, optical and luminescence properties of (Ce,Sr)-doped PrAlO3 single crystals by A. Novoselov, A. Yoshikawa, N.Solovieva, and M. Nikl

Crystal Research and Technology

Cryst. Res. Technol. 42, 1320 (2007) - Abstract -

Crystal growth, optical and luminescence properties of (Ce,Sr)-doped PrAlO₃ single crystals

A. Novoselov, A. Yoshikawa, N.Solovieva*, and M. Nikl*

Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba ku, Sendai 980-8577, Japan
*Institute of Physics AS CR, Cukrovarnicka 10, Prague 16253, Czech Republic

Keywords	Ce,Sr-doping, micro-pulling-down method, oxides, scintillator material
PACS	78.55.-m, 78.47.+p, 81.10.Fq
DOI	10.1002/crat.200711025

Using the micro-pulling-down method, (Ce,Sr)-doped PrAlO₃ square-shaped single crystals (4x4x12 mm) were grown. Structural parameters studied by X-ray powder diffraction were consistent with R-3m space group. Compositional homogeneity was checked with electron probe micro-analysis and found quite uniform. Absorption spectra and luminescence characteristics under UV and X-ray excitations were measured at room temperature with no Ce-related emission appeared.

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