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Visible luminescence of lanthanide ions in Ca3Sc2Si3O12 and Ca3Y2Si3O12Fabio Piccinelli1,Adolfo Speghini2,Gino Mariotto3,Laura Bovo1,4,Marco Bettinelli11. Dipartimento Scientifico e Tecnologico... lanthanide ions and compared the results for the two hosts. Polycrystalline samples were prepared by solid state reaction, both undoped and doped with the trivalent lanthanide ions Eu3+, Tb3+ and Sm3......
Up-conversion processes of rare earth ions in heavy metal glassesL.Grobelny1,W.A.Pisarski1,J.Pisarska1,R.Lisiecki2,W.Ryba-Romanowski21. Institute of Chemistry,University of Silesia2. Institute of Low Temperature and Structure Research,Polish Academy of Sciences摘 要:Heavy metal lead germanate glasses doubly doped with Yb3+ and Ln3+ ions(Ln=Er,Tm) were......
Luminescence enhancement of rare earth ions by metal nanostructuresG.A.DenisenkoA.V.Shubnikov Institute of Crystallography, Russian Academy of SciencesD.V.Skobeltsyn Institute of Nuclear Physics... of absorbed media with rare earth ions were used. These arrays were prepared by the metal evaporation on track membranes. Calculations of resonance frequencies of tips regarded as semispheroids were done......
Up-conversion processes of rare earth ions in heavy metal glassesL.Grobelny1,W.A.Pisarski1,J.Pisarska1,R.Lisiecki2,W.Ryba-Romanowski21. Institute of Chemistry,University of Silesia2. Institute of Low Temperature and Structure Research,Polish Academy of Sciences摘 要:Heavy metal lead germanate glasses doubly doped with Yb3+ and Ln3+ ions(Ln=Er,Tm) were......
of metal and metal oxide, hydrometallurgy of chalcopyrite and metallic oxidized ore, and extraction and separation of metal ions, are introduced. Key words: ionic liquids; hydrometallurgy; nonferrous metals; metal oxides; mineral processing；extraction and separation of metal ions ......
DOI:10.19476/j.ysxb.1004.0609.2017.09.25 铜闪速吹炼过程杂质元素分配行为的热力学分析 李明周1, 3,周孑民1, 2,张文海1,李贺松2,童长仁3 (1. 中南大学 冶金与环境学院,长沙 410083； 2. 中南大学 能源科学与工程学院,长沙 410083； 3. 江西理工大学 冶金与化学工程学院,赣州 341000) 摘 要:利用已开发的铜闪速吹炼过程多相平衡热力学数学模型,计算某典型铜闪速吹炼生产工况,验证模型热力学分析的可行性,进而考察粗铜含硫(CSCu),渣中钙铁比(RCaFe),富氧浓度(CO,体积分数),吹炼温度(T)对杂质元素......
Thermodynamic Stability of Sulfate Ions on Calcium Aluminosilicate Hydrate Microstructure胡晨光1,2,DING Qingjun3,FENG Xiaoxin11. College of Materials Science and Engineering,North China University... 要:The thermodynamic stability of sulfate ions on synthesized calcium aluminosilicate hydrate(C-A-S-H) microstructure with different Ca/Si ratios and Al/Si......
="ChDivSummary">Praseodymium(Ⅲ) doped CeF3, CeF3:Gd, LaF3, GdF3 and YF3 inorganic fluorides were precipitated in an aqueous, surfactant-free solution, using NH4 F as a source of fluoride ions. The as-prepared... to the presence of Pr3+ ions, the synthesized nanomaterials showed yellow luminescence under a blue light irradiation. The nanoluminophore based on the YF3 host revealed the most promising spectroscopic......
="ChDivSummary">Praseodymium(Ⅲ) doped CeF3, CeF3:Gd, LaF3, GdF3 and YF3 inorganic fluorides were precipitated in an aqueous, surfactant-free solution, using NH4 F as a source of fluoride ions. The as-prepared... to the presence of Pr3+ ions, the synthesized nanomaterials showed yellow luminescence under a blue light irradiation. The nanoluminophore based on the YF3 host revealed the most promising spectroscopic......
