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		题名	作者	年代	出处	被引量
	1	Luminescence properties of Gd2Si2O7:Ce and Gd2Si2O7:La,Ce under vacuum ultraviolet irradiation显示文摘The luminescence properties of Ce- or Ce and La-doped gadolinium pyrosilicate(Gd_2Si_2O_7, GPS) were characterized using vacuum ultraviolet(VUV) excitation light. A prominent emission band was observed in the luminescence spectra with excitation at 60 nm and ascribed to 5d-4f transition of Ce^(3+). Because the excitation wavelength of 60 nm corresponded to the excitation in the host matrix, this result indicated that the excitation energy transfer occurred from the host matrix to Ce^(3+) ions. On the basis of the rise in the luminescence time profiles with excitation at 60 nm, the energy transfer occurred within 2 ns, which was much shorter than that of Ce-doped Gd_2SiO_5. For Ce-doped GPS, the decay rate was slower for the host excitation than that for direct excitation of Ce^(3+). In contrast, for Ce and La-doped GPS, no significant difference was observed for the host excitation and direct excitation of Ce^(3+). This result indicated that the energy transfer from the host to Ce^(3+) ions led to a different radiative decay process, and that La doping had an effect on the energy transfer and decay process.	M.Koshimizu T.Yanagida Y.Fujimoto K.Asai	2016	Journal of Rare Earths2016，34，8：	1

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