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luminescent properties     
相关语句
  发光性能
     VUV Luminescent Properties of M_2SiO_4∶Re(M=Mg,Ca,Ba)(Re=Ce~(3+),Tb~(3+))
     M_2SiO_4∶Re(M=Mg,Ca,Ba;Re=Ce~(3+),Tb~(3+))的发光性能(英文)
短句来源
     Luminescent Properties of Ga_2S_3∶Eu~(2+) and SrGa_(2+x)S_(4+y)∶Eu~(2+) Phosphors
     Ga_2S_3∶Eu~(2+)和SrGa~(2+x)S_(4+y)∶Eu~(2+)系列荧光粉的发光性能研究
短句来源
     Studies on Luminescent Properties of Phosphor Y_2O_3-B_2O_3-Nb_2O_5:Bi~(3+)、Eu~(3+)
     Bi~(3+)、Eu~(3+)在Y_2O_3-B_2O_3-Nb_2O_5体系中发光性能的研究
短句来源
     Relationship Between Luminescent Properties and Structures of Li_2O-CaO-Gd_2O_3-SiO_2 :Eu,Bi System
     Li_2O-CaO-Gd_2O_3-SiO_2:Eu,Bi体系的结构和发光性能之间的关系
短句来源
     Influence of Li_2CO_3/K_3PO_4 Flux Ratio on the Luminescent Properties of Y_2O_2S ∶Ti Phosphor
     Li_2CO_3/K_3PO_4复合助熔剂对新型Y_2O_2S:0.09Ti长余辉磷光体发光性能的影响
短句来源
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  发光性质
     Syntheses and Luminescent Properties of Ca_(1-x)Zn_xTiO_3∶Pr~(3+),R~+(R~+=Li~+,Na~+,K~+,Rb~+,Cs~+,Ag~+)
     Ca_(1-x)Zn_xTiO_3∶Pr~(3+),R~+(R~+=Li~+,Na~+,K~+,Rb~+,Cs~+,Ag~+)的合成和发光性质
短句来源
     Luminescent Properties of MO-RE_2O_3-B_2O_3 Glasses (M=Mg, Ca, Sr, Ba; RE=La, Eu, Gd)
     MO-RE_2O_3-B_2O_3 (M=Mg, Ca, Sr, Ba; RE=La, Eu, Gd)玻璃的发光性质
短句来源
     Syntheses and Luminescent Properties of R_2O-RE_2O_3-B_2 O_3 Glasses(R=Li, Na, K; RE=La, Eu, Gd)
     R_2O-RE_2O_3B_2O_3(R=Li,Na,K;RE=La,Eu,Gd)玻璃的合成和发光性质
短句来源
     Synthesis and luminescent properties of (Ba,Mg,Sr)O ·nAl_2O_3:M(n=4.6,M=Ce,Tb)
     (Ba,Mg,Sr)O·nAl_2O_3:M(n=4.6,M=Ce,Tb)的合成及发光性质研究
     Synthesis of CaO-SiO_2-B_2O_3∶Sm_2O_3 Glasses and Luminescent Properties of Sm~(3+)
     CaO-SiO_2-B_2O_3∶Sm_2O_3玻璃的合成及Sm~(3+)发光性质研究
短句来源
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  发光特性
     Luminescent Properties of Tm~(3+) Doped Li_2O-CdO-Al_2O_3-SiO_2 Glasses
     Tm~(3+)掺Li_2O-CdO-Al_2O_3-SiO_2玻璃的发光特性研究
短句来源
     The luminescent properties of YBa_2Cu_(3-x)Ag_xO_y systems (x=0.5, 1.0, 1.5, 2.0, 3.0) were studied by using H_2~+ beam spectroscopy.
     用H_2~+束流光谱研究YBa_2Cu_(3-x)Ag_xO_y(x=0.5、1.0、1.5、2.0、3.0)体系的发光特性
短句来源
     Synthesis and Luminescent Properties of Eu~(3+) -Doped Na_(24) As_2W_(22) O_(83) Phosphor
     掺杂Eu~(3+)的Na_(24)As_2W_(22)O_(83)的合成及发光特性
短句来源
     Luminescent Properties of (Y,Gd) Al_3(BO_3)_4:Re(Re=Ce,Tb) under VUV Excitation
     真空紫外激发下(Y,Gd)Al_3(BO_3)_4:Re(Re=Ce,Tb)的发光特性
短句来源
     Synthesis and Luminescent Properties of Eu~(3+)-Doped Na_(24)P_2Mo_(22)O_(83) Phosphor
     掺杂Eu~(3+)的Na_(24)P_2Mo_(22)O_(83)的合成及其发光特性
短句来源
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  荧光性质
     Structural and Luminescent Properties of LnBaB_9O _(16)∶Eu ~(3+)(Ln=La,Y)
     LnBaB_9O_(16)∶Eu~(3+)(Ln=La,Y)的结构与荧光性质
短句来源
     VUV Luminescent Properties of GdF_3∶Eu~(3+) Nanocrystals
     GdF_3∶Eu~(3+)纳米晶的VUV荧光性质
短句来源
     Synthesis and Luminescent Properties of Rare Earth Complexes of 6′,6″-Bis(2-pyridyl)-2,2:4′,4″:2″,2′″-quaterpyridine
     6′,6″-二吡啶基-2,2′:4′,4″:2″,2′″-四联吡啶稀土配合物的合成、表征及荧光性质研究(英文)
短句来源
     Structural and VUV Luminescent Properties of NaGdF4∶ Eu3+
     NaGdF_4:Eu~(3+)的结构和VUV荧光性质
短句来源
     The luminescent properties of the samples are investigated and up-conversion luminescence of Er3+,Ho3+ and Tm3+ doped Sr2CeO4 phosphors are observed.
     研究了样品的荧光性质,并观察到Er3+,Ho3+,Tm3+掺杂的Sr2CeO4材料的上转换发光现象.
短句来源
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  luminescent properties
The luminescent properties of the samples were investigated and the up-conversion luminescence of Er3+, Ho3+ and Tm3+ doped Sr2CeO4 phosphors was observed.
      
The spectral-luminescent properties of chromium-doped silica glass prepared by gas-phase plasma-chemical deposition are investigated.
      
Quantum-chemical study of spectral and luminescent properties and photolysis of phenol and its complexes with water
      
The spectral and luminescent properties of phenol and the photoinduced O-H bond cleavage reaction, depending on complexation and excitation energy, were considered using the INDO method.
      
It was shown that the formation of H-bonded complexes with water does not exert a noticeable effect on the spectral-luminescent properties of phenol.
      
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The effect of doping elements other than rare earths on the luminescent properties of La2O2S:Tb was investigated. Its brightness is enhanced by doping ⅡA group elements, but quenched by some heavy metals, such as Fe, Co, Ni and Cr. When their concentration is less than 0.1%, these impurities,excluding Fe,do not markedly change the colour and the decay time of La2O2S:Tb.

本文研究了22种非稀土元素对La_2O_2S:Tb阴极射线激发发光性能的影响,其中周期表第Ⅱ族元素对发光亮度起增强作用,而Fe、Co、Ni、Cr等重金属对发光亮度起猝灭作用,必须从原科中除去。除Fe外,非稀土杂质的量如<0.1%,一般对La_2O_2S:Tb的色度和余辉无明显的影响。

Lanthanum oxysulfide samples activated by terbium (with the mole ratio of Tb to La-5×10-5-7×10-2) were prepared by sulphidizing the mixed oxides of lanthanum and terbium at high temperature. The luminescent properties of these samples under the excitation of UV light,cathode-ray and x-ray were investigated. In all three cases, the phosphor's brightness increases with the terbium concentration, and comes up to a maximum at the terbium content about 5×10-3. The cathode-ray luminescence efficiency of La2O2S...

Lanthanum oxysulfide samples activated by terbium (with the mole ratio of Tb to La-5×10-5-7×10-2) were prepared by sulphidizing the mixed oxides of lanthanum and terbium at high temperature. The luminescent properties of these samples under the excitation of UV light,cathode-ray and x-ray were investigated. In all three cases, the phosphor's brightness increases with the terbium concentration, and comes up to a maximum at the terbium content about 5×10-3. The cathode-ray luminescence efficiency of La2O2S : Tb(4×10-3)may reach 62.8 Lumen/Watt. The emission spectra of UV-, CR-and x-ray-excited luminescence of all La2O2S. Tb samples are quite similar. The peaks of 489, 545, 587 and 620nm stem from 5D4→7F4→6D4→7F5,5D4→7F4 and 5D4→7F(?) transitions of Tb3+ ion respectively. The relative intensities of these 4 peaks remain unchanged within the concentration range of terbium studied. Therefore the values of colour indices of all these samples are about the same.

用氧化镧铽在高温下的硫化法,合成了含铽量为5×10~(-5)—7×10~(-2)(以克原子比计算)的硫氧化镧铽(La_2O_2S:Tb)。研究了这些试样在254nm紫外线、阴极射线和X射线激发下的发光特性。三种激发发光的亮度随铽含量的增加而增大,当铽含量在5×10~(-3)左右时,发光增至极大,随后又有所降低。含铽4×10~(-3)的La_2O_2S试样阴极射线发光的光度效率可达62.8流明/瓦。La_2O_2S:Tb各试样的紫外光、X射线和阴极射线激发的发光光谱很相似,都包括相应于Tb~(3+) ~5D_4→~7F_J跃迁的489、545、587和620nm四组谱线,而不显示有Tb~(3+)的~5D_3→~7F_J的跃迁。各谱线的相对强度在所研究的铽浓度范围内没有变化,各试样的色度值也不变。

Phosphors of (Y0.9Gd0.1)2O2S:Tb and(Gd0.9La0.1)2O2S:Tb with different Tb3+ concentrations 0.05-10mol. %have been prepared by sulfidizing the corresponding oxides. Their luminescent properties under CR rays and UV lights excitation have been investigated.It has been found that as there existed dependence of emission intensities of 5D3→7FJ and 5D4→7FJ upon terbium concentrations, so that there existed dependence of chro m aticity coordinates of these materials upon the activator's concentrations in them.

用稀土氧化物硫化法合成了固溶体发光材料(Y0.9Gd0.1)_2O_2S:Tb和(Gd0.9La0.1)_2O_2S:Tb,并且用阴极射线和254nm紫外线两种激发方式测试了它们的发光性能。研究了固溶体(Y0.9Gd0.1)_2O_2S:Tb和(Gd0.9La0.1)_2O_2S:Tb中Tb~(3+)离子~5D_3——7F_J和~5D_4——7F_J的能级跃迁强度随Tb~(3+)离子浓度而变化的关系,以及它们的发光色度随激活剂Tb~(3+)离子浓度的变化,探讨了Tb~(3+)离子的浓度猝灭机理。

 
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