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Nano Gd2O3: (Ce ^ 3 +, Eu ^ 3 +) in the rare earth ion energy transfer between the cascade

(F7, 2, F5, 2) and the D0-7FI Eu3 energy transfer between workers 3-4: Gd's. S7, 2, and a DJ. S7, 2 a IJ and 5d Ce, a 4f (F7, 2,2 Fsa) energy transfer between; Gd's. S7 ,2-6DJ and. S7, 2 a IJ and the Eu's Do a Fl, 2'3,[link widoczny dla zalogowanych], 4 the energy transfer. Therefore, in Gd2O3: (Ce, Eu) the existence of Gd-. -Ce-* Eu of the cascade. References: a 243-IABril. wLWanmoker, JournaloftheE ~ ctrochemicalSociety. Vo1. Il1. No. 12ll964113632. Foot 7 =. HDonker, nOskam. AMeijerink, Science. 283 (Jan.1999) 6633. R. 7 = Wegh. HDonker, D. Oskam. A. Meijerink, JournalofLuminescence. 82 (1999) 934. BlasseG. . Jchem. Phys. . Vo1.45. No. 79623565. BlasseG. . LuminescentMaterials. Heidelberg: SpringerI, ~ rlagBerlin (1994) 6 Zhang Zunyun and so on. ± of the Ray thin. Dilute the eighth meeting of Han China ± ion emitting light album. Volume 16 (1998) 10727. ShiChao-shueta1. . Chin. Phys. Vo1.17. No. 7 (200O) 532CascadeEnergyTransferinGd2O3: (Ce, Eu3 +) NanocrystalWeiYaguang, ShiChaoshu, Oizeming. , WangZheng2, TaoYe, WangWeir,. NSRL. 2Phys. Dept. , Univ. ofSc ~ & Tech. ofChina. . nefei. P-R. C230026) f3.1mtituteofmghEnergyPhysics. ChineseAcademicofSciences. Beijing. P. R. C100039) AbstractExcitationspec ~ aofGd203: (Ce, Eu) nanocrystalintheUV ・ VUVrangewerereported, andtheemissionspectraforGd203: (Ce, Eu) weremeasuredwithUV ・ VUVexcitation. Theresultsshowthatthereisacascadeenergytransferprocess: Gd a Ce a Eu3 +. Keywords: RareEarths, Gd2O3: (Ce, Eu), UV ・ vUVExcitationSpectra,[link widoczny dla zalogowanych], Luminescence, CascadeEnergyTransfer a 244 - ● stack C c Figure 1. Gd2O3: (Ce,[link widoczny dla zalogowanych], Eu3) excitation spectrum (light source: Xe lamp, Em: 450rim) 々 8C Wei-San Figure 3. Gd203: (Ce, Eu.) Excitation spectrum (light source: Xe lamp, Em: 619nm) Figure 5. Gd2O3: (Ce ¨, Eu.) Excitation spectroscopy (synchrotron radiation, Em: 619rim (a), 450nm (b)) Wavelengthlnml Figure 2. Gd203: (Ce ¨, Eu.) Emission spectra (light source: Xe lamp, Em: 350rim) i5 transcripts Blue Star WavelengthInml Figure 4. Gd203: (Ce ¨, Eu.) Emission spectra (light source: Xe lamp, Ex: 270rim) Figure 6. Gd2O3: (Ce3,[link widoczny dla zalogowanych], Eu emission spectroscopy (synchrotron radiation,[link widoczny dla zalogowanych], Ex: 180nm) rn. ■ a parameter l summer c3uI-j ..= c, oo one. J.. A Xuan llc3uI
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