Spectroscopic Properties of Yttrium-Aluminum-Borate Glasses Activated by Terbium and Cerium Ionsстатья
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Дата последнего поиска статьи во внешних источниках: 16 ноября 2017 г.
Аннотация:The Judd-Ofelt parameters are calculated for Tb3+ ions in yttrium-aluminum-borate glasses coactivated by Tb3+ and Ce3+ (X1) and activated solely by Tb3+ (X2). The following parameters are obtained: Omega(2) = 5.45 x 10 (-20), Omega(4) = 2.82 x 10 (-20), Omega(6) = 3.76 x 10 (-20) cm(2) for X1 and Omega(2) = 4.99 x 10 (-20), Omega(4) = 2.18 x 10 (-20), Omega(6) = 3.51 x 10 (-20) cm(2) for X2. It is shown that these glasses hold promise as a basis for the development of converters of UV-radiation into the green-yellow region of the spectrum.