Raman spectra of RE2O3（RE=Eu,Gd,Dy,Ho,Er,Tm,Yb,Lu,Sc and Y）: laser-excited luminescence and trace impurity analysis
来源期刊：JOURNAL OF RARE EARTHS2014年第1期
论文作者：余金秋 崔磊 何华强 颜世宏 胡运生 吴浩
文章页码：1 - 4
摘 要：Raman spectra of a series of cubic rare earth sesquioxides RE2 O3（RE=Eu, Gd, Dy, Ho, Er, Tm, Yb, Lu, Sc and Y） were investigated by Raman spectroscopy with both 532 and 785 nm laser lines. Abundant additional bands due to laser-excited luminescence were observed. For Eu2 O3, Dy2 O3, Ho2 O3, Er2 O3, Tm2 O3 and Yb2 O3, the luminescence mainly came from the intrinsic trivalent lanthanide ions, while for Gd2 O3, Lu2 O3, Sc2 O3 and Y2 O3, their luminescence were attributed to the trace impurities of other luminescent lanthanide ions such as Eu3+, Nd3+and Er3+. This investigation confirmed Raman spectroscopy as a useful tool for detecting trace luminescent lanthanide impurities.
余金秋，崔磊，何华强，颜世宏，胡运生，吴浩
National Engineering Research Center for Rare Earth Materials, General Research Institute for Nonferrous Metals, and Grirem Advanced Materials Co., Ltd.
摘 要：Raman spectra of a series of cubic rare earth sesquioxides RE2 O3（RE=Eu, Gd, Dy, Ho, Er, Tm, Yb, Lu, Sc and Y） were investigated by Raman spectroscopy with both 532 and 785 nm laser lines. Abundant additional bands due to laser-excited luminescence were observed. For Eu2 O3, Dy2 O3, Ho2 O3, Er2 O3, Tm2 O3 and Yb2 O3, the luminescence mainly came from the intrinsic trivalent lanthanide ions, while for Gd2 O3, Lu2 O3, Sc2 O3 and Y2 O3, their luminescence were attributed to the trace impurities of other luminescent lanthanide ions such as Eu3+, Nd3+and Er3+. This investigation confirmed Raman spectroscopy as a useful tool for detecting trace luminescent lanthanide impurities.
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