| Preparation of Ln3-xEuxS4 （Ln=Ce,Pr, and Nd） ceramics by pressureless sintering |
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| 引用本文： | YUAN HaiBin,ZHANG JianHui,YU RuiJin,SU Qiang. Preparation of Ln3-xEuxS4 （Ln=Ce,Pr, and Nd） ceramics by pressureless sintering[J]. 科学通报(英文版), 2009, 54(15): 2694-2697. DOI: 10.1007/s11434-009-0132-4 |
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| 作者姓名： | YUAN HaiBin ZHANG JianHui YU RuiJin SU Qiang |
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| 作者单位： | [1]MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China [2]Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China |
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| 摘 要： | The preparation of ternary rare earth sulfides of Ln3-xEuxS4 （Ln = Ce, Pr, and Nd） ceramics was investigated, and the effect of Eu substitution on Ln3-xEuxS4 ceramics was also studied. Ln3-xEuxS4 powders were synthesized by the sulfurization of their oxide powders using carbon disulfide gas. Ln3-xEuxS4 ceramics were sintered by pressure-less sintering method. All pressureless sintered Ln3-xEuxS4 ceramics crystallized in y-phase. It was found that Eu substitution could improve the density of Ln3-xEuxS4 ceramics. Furthermore, Eu substitution might narrow the optical band gaps of Ln3-xEuxS4 ceramics.
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| 关 键 词： | 稀土离子 陶瓷烧结 无压烧结 制备 稀土硫化物 铈 钕 镨 |
| 收稿时间： | 2008-09-22 |
| 修稿时间： | 2008-10-19 |
Preparation of Ln3-xEuxS4 (Ln=Ce, Pr, and Nd) ceramics by pressureless sintering |
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| HaiBin Yuan,JianHui Zhang,RuiJin Yu,Qiang Su. Preparation of Ln3-xEuxS4 (Ln=Ce, Pr, and Nd) ceramics by pressureless sintering[J]. Chinese science bulletin, 2009, 54(15): 2694-2697. DOI: 10.1007/s11434-009-0132-4 |
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| Authors: | HaiBin Yuan JianHui Zhang RuiJin Yu Qiang Su |
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| Affiliation: | (1) MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou, 510275, China;(2) Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, 454000, China |
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| Abstract: | The preparation of ternary rare earth sulfides of Ln3−x Eu x S4 (Ln = Ce, Pr, and Nd) ceramics was investigated, and the effect of Eu substitution on Ln3−x Eu x S4 ceramics was also studied. Ln3−x Eu x S4 powders were synthesized by the sulfurization of their oxide powders using carbon disulfide gas. Ln3−x Eu x S4 ceramics were sintered by pressure-less sintering method. All pressureless sintered Ln3−x Eu x S4 ceramics crystallized in γ-phase. It was found that Eu substitution could improve the density of Ln3−x Eu x S4 ceramics. Furthermore, Eu substitution might narrow the optical band gaps of Ln3−x Eu x S4 ceramics. |
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| Keywords: | ternary rare earth sulfides carbon disulfide Eu substitution ceramics pressureless sintering |
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