Study on the spectroscopic properties of Ga2O3-La2O3-Yb2O3-Er2O3(Ho2O3) systems

Abstract

The LaGaO3:Yb,Er(Ho) or solid solution LaGaO3:Yb,Er-(Yb,Er,La)3Ga5O12 were formed by solid state reaction in Ga2O3-La2O3-Yb2O3-Er2O3 (Ho2O3) systems, and the reflection, excitation, and emission spectra were measured. They have 2 kinds of luminescence properties; Stokes luminescence and anti-Stokes luminescence. The dependence of emission intensity on the concentration of the doped ions were studied. The concentration quenching phenomenon which was caused by energy resonance transfer was observed The doped ions concentration of max. emission intensity as obtained. The dependence of emission wavelength on the concentration of the doped ions was observed Some regularities were obtained.

Key words: SPECTROGRAPHIC ANALYSIS, ENERGY LEVELS, LASER SPECTROMETRY, LUMINESCENT MATERIALS, LANTHANUM OXIDE, ERBIUM OXIDE, FLUOROSPECTROPHOTOMETRY, ION CONCENTRATION, YTTERBIUM OXIDE, GALLIUM OXIDE

CLC Number:

O614

Cite this article

YANG JIANMEI;SUN CHANGYING;OU YANGDE. Study on the spectroscopic properties of Ga2O3-La2O3-Yb2O3-Er2O3(Ho2O3) systems[J]. Acta Chimica Sinica, 1987, 45(3): 268-271.

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Ga2O3-La2O3-Yb2O3-Er2O3(HO2O3)体系光谱性质的研究