Spectroscopic Elucidation of Lanthanide Cation Dissolution Mechanism in Borosilicate Glass
作者： Hong Li , Zheming Wang , Liyu Li , Denis M. Strachan , Yali. Su
关键词: Raman spectroscopy 、 Dissolution 、 Phonon 、 Borosilicate glass 、 Nuclear chemistry 、 Materials science 、 Lanthanide 、 Fluorescence 、 Physical chemistry 、 Sideband 、 Spectroscopy
摘要: Oxides of lanthanide dissolution in a Na2O-Al2O3-B2O3-SiO2 glass using Gd as probe was studied detail Raman, fluorescence, and phonon sideband (PSB) spectroscopic techniques. A mechanism cation dissolution, via partitioning, the borate-rich silicate-rich environments confirmed by examining characteristics Raman band evolution, fluorescence emission lifetime, PSBs. The study concluded that i) Gd(III) cations environment resembles Gd-metaborate local structure, i.e., 1BO4:1Gd:2BO3, ii) partitioning at low Gd2O3 concentration, [Gd2O3] -1/3[B2O3] 0.
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