نتایج جستجو برای: ce3 doped
تعداد نتایج: 48705 فیلتر نتایج به سال:
This work is devoted to the crystallization and investigation of optical properties single crystalline films (SCFs) Ce3+-doped Y3−xCaxAl5−ySiyO12 garnet, where content Ca2+ Si4+ cations varied in x = 0.13–0.52 y 0.065–0.5 ranges, respectively. The SCF samples were grown using liquid phase epitaxy technique onto Y3Al5O12 substrates from melt solution with equimolar Ca Si PbO-B2O3 flux. However, ...
We found that Ce3+:Lu2Si2O7 single crystals could be excited at 800 nm by using a femtosecond Ti:sapphire laser. The emission spectra of Ce3+:Lu2Si2O7 crystals were the same for one-photon excitation at 267 nm as for excitation at 800 nm. The emission intensity of Ce3+:Lu2Si2O7 crystals was found to depend on the cube of the laser power at 800 nm, consistent with simultaneous absorption of thre...
This review article summarizes the recent achievements in stabilization of the metastable lattice of gadolinium aluminate garnet (Gd3Al5O12, GAG) and the related developments of advanced optical materials, including down-conversion phosphors, up-conversion phosphors, transparent ceramics, and single crystals. Whenever possible, the materials are compared with their better known YAG and LuAG cou...
The focus of this study is the measurement and understanding of the sulfur poisoning phenomena of Ni/gadolinium-doped ceria (CGO) based solid oxide fuel cells (SOFC). Cells with Ni/CGO10 and NiCu5/CGO40 anodes were characterized by using impedance spectroscopy at different temperatures and H2 /H2 O fuel ratios. The short-term sulfur poisoning behavior was investigated systematically at temperat...
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