Open AccessCrystal growth and f – f transition intensities analysis of praseodymium ions in yttrium-aluminum orthoborates
Author(s) -
Maxim Demesh,
K. N. Gorbachenya,
V. É. Kisel,
Е. А. Волкова,
V. V. Maltsev,
Е. В. Копорулина,
А. А. Корниенко,
Е. Б. Дунина,
Н. В. Кулешов
Publication year - 2022
Publication title -
žurnal belorusskogo gosudarstvennogo universiteta. fizika
Language(s) - English
Resource type - Journals
eISSN - 2617-3999
pISSN - 2520-2243
DOI - 10.33581/2520-2243-2022-1-4-13
Subject(s) - praseodymium , yttrium , metastability , ion , analytical chemistry (journal) , absorption (acoustics) , anisotropy , crystal (programming language) , materials science , branching fraction , radiative transfer , absorption spectroscopy , atomic physics , chemistry , optics , physics , oxide , organic chemistry , chromatography , computer science , metallurgy , composite material , programming language
A Pr3+ : YAl3(BO3)4 crystal with sizes of 20 × 10 × 10 mm was grown from high-temperature solution and its structural and spectroscopic properties were investigated. The distribution coefficient of praseodymium ranged from 0.6 to 0.8, that yield to the Pr3+ ion concentration of 1.1 ⋅1020 cm–3. Visible and infrared groundstate absorption (3H4) was measurement in dependence on the polarisation. The absorption spectra of the Pr3+ : YAl3(BO3)4 exhibit pronounced polarisation anisotropy. The modified Judd – Offelt theory was applied to evaluate the transitions intensities in absorption and emission, branching ratios and radiative lifetimes of the metastable levels 3P0 and 1D2.