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Registration Number

0215U008552, 0115U001157 , R & D reports

Title

Obtaining efficient materials for dosimetry based on Li2B4O7-LiB3O5 and Li2B4O7-MgB4O7 quasibinary systems activated by transition and rare-earth elements

Head

Gomonnai Alexander Vasyliovych,

Registration Date

29-12-2015

Organization

Institute of Electron Physics, Ukrainian National Academy of Sciences

Description

X-ray excited luminescence (XL) spectra (200-800 nm) of Er2O3-activated (0,0005-0,05 mol. %) Li2B4O7 polycrystals are studied. 26 spectral bands are registered in the XL spectrum of the activated polycrystalline Li2B4O7:Er, 22 of them being identified. All the luminescence bands identified result from transitions from excited levels of the upper multiplet fine structure to the level of the main term of Er3+ ion 4I15/2. The most intense XL band is registered at 326 nm for Li2B4O7:0,05 mol. % Er2O3.

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Головей Вадим Михайлович
Пуга Павло Павлович