以铝和钇的水合物为反应前驱体,用乙二胺永溶液作为溶剂,在温和条件下合成了钇铝石榴石微粉.研究结果表明,其反应机理是随着温度升高,钇和铝的水合物逐渐溶解,200℃时发生脱水反应,并开始形成Al-O,Y-O键和四面体；220℃时开始形成Al-O八面体、Y-O多面体及Y-O-Al键,并梅成YAG兰维骨架成核；至280℃,YAG晶核不断长大,最终形成稳定的YAG晶相.
参考文献
| [1] | Veith M;Kareiva A;Jilavi M;Zimmer M;Huch V;Mathur S .Low temperature synthesis of nanocrystalline Y sub 3 Al sub 5 O sub 12 (YAG) and Ce-doped Y sub 3 Al sub 5 O sub 12 via different sol-gel methods[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,1999(12):3069-3079. |
| [2] | S.-M. SIM;K. A. KELLER;T.-I. MAH .Phase formation in yttrium aluminum garnet powders synthesized by chemical methods[J].Journal of Materials Science,2000(3):713-717. |
| [3] | Ikesue A.;Kamata K.;Furusato I. .FABRICATION OF POLYCRYSTALLINE, TRANSPARENT YAG CERAMICS BY A SOLID-STATE REACTION METHOD[J].Journal of the American Ceramic Society,1995(1):225-228. |
| [4] | Ji-Guang Li;Takayasu Ikegami .Co-precipitation synthesis and sintering of yttrium aluminum garnet (YAG) powders: the effect of precipitant[J].Journal of the European Ceramic Society,2000(14/15):2395-2405. |
| [5] | D. Hreniak;W. Strek .Synthesis and optical properties of Nd~(3+)-doped Y_3Al_5O_(12) nanoceramics[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2002(1/2):183-186. |
| [6] | Julien Marchal;Tyrone John;Rita Baranwal;Tom Hinklin;Richard M.Laine .Yttrium Aluminum Garnet Nanopowders Produced by Liquid-Feed Flame Spray Pyrolysis (LF-FSP) of Metalloorganic Precursors[J].Chemistry of Materials,2004(5):822-831. |
| [7] | HAKUTA Y;SEINO K;URA,H .Production of phosphor (YAG:Tb) fine particles by hydrothermal synthesis in super-critical water[J].Journal of Materials Chemistry,1999,9:2671-2674. |
| [8] | 张旭东,徐国纲,吴作贵,何文,杜元伟,贾乃涛.溶剂热法合成YAG：Ce荧光粉体的研究[J].稀有金属材料与工程,2009(z2):75-77. |
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