Autor: |
Hovhannesyan, K. L., Derdzyan, M. V., Badalyan, G., Kharatyan, G., Pejchal, J., Nikl, M., Dujardin, C., Petrosyan, A. G. |
Předmět: |
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Zdroj: |
CrystEngComm; 9/21/2024, Vol. 26 Issue 35, p4812-4819, 8p |
Abstrakt: |
Single crystals of Ce-doped gadolinium scandium aluminum garnet (Gd3Sc2Al3O12; GSAG) with Ca2+, Mg2+ and Li+ co-dopants were grown by the Bridgman method. Regardless of melt composition, crystals tend to grow close to the congruent composition. Introduction of Ca2+ or Mg2+, as in other Ce-doped garnets, leads to an increase of absorption below 350 nm, which may indicate formation of Ce4+ states, while no effect is seen with Li+ co-doping. High Ce concentration and co-doping accelerate the scintillation rise and decay times; the codopants strongly significantly reduce the afterglow. [ABSTRACT FROM AUTHOR] |
Databáze: |
Complementary Index |
Externí odkaz: |
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