以Ta2O5和Zn(NO3)2·6H2O为原料、KCl-ZnCl2为熔盐,采用熔盐法在700℃保温3h合成了ZnTa2O6陶瓷粉体.通过XRD和SEM表征粉体的晶相组成和形貌,研究了不同反应条件(包括温度和熔盐体系中KCl/ZnCl2的物质的量比)对产物粉体的晶相和形貌的影响.结果表明,当KCl/ZnCl2的物质的量比为0.1:1时,在700℃保温3h为制备ZnTa2O6的最优工艺条件.
参考文献
| [1] | Liangzhai Guo;Jinhui Dai;Jintao Tian;Zhibin Zhu;Tian He .Molten salt synthesis of ZnNb_2O_6 powder[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2007(12):2013-2016. |
| [2] | 张绪礼 .电介质物理与微波介质陶瓷[J].压电与声光,1997,19(05):316. |
| [3] | Lee H J;Kim I T;Hong K S.Dielectric properties of AB2O6 compounds at microwave frequencies(A= Ca,Mg,Mn,Co,Ni,Zn and B=Nb,Ta)[J].Japanese Journal of Applied Physics,1997(36):1318. |
| [4] | Zhang Y C;Yue Z X;Qi X et al.Microwave dielectric properties of Zn(Nb1-xTax)2 O6 ceramics[J].Materials Letters,2004,58(7-8):1392. |
| [5] | Simoes A Z;Gonzalez A H M;Cavalheiro A A et al.Effect of magnesium on structure and properties of LiNbO3 prepared from polymeric precursors[J].Ceramics International,2002,28(03):265. |
| [6] | Kan A;Ogawa H;Ohsato H .Influence of microstructure on microwave dielectric properties of ZnTa2O6 ceramics with low dielectric loss[J].Journal of Alloys and Compounds,2002,337(1-2):303. |
| [7] | Ferrari C R;Hernandes A C .MgTa2O6 and ZnTa2O6 ceramics from oxide precursors[J].Journal of the European Ceramic Society,2002,22(13):2101. |
| [8] | Zhang Y C;Fu B J;Wang X .Synthesis of ZnTa2 O6 nanopowders by citrate sol-gel method[J].Journal of Alloys and Compounds,2009,478(1-2):498. |
| [9] | Yoon KH.;Kang DH.;Cho YS. .Molten salt synthesis of lead-based relaxors [Review][J].Journal of Materials Science,1998(12):2977-2984. |
| [10] | 徐如人.无机合成与制备化学[M].北京:高等教育出版社,2001:199. |
| [11] | Yoon K H;Cho Y S;Lee D H .Powder Characteristics of Pb(Mg1/3 Nb2/3)O3 prepared by molten salt synthesis[J].Journal of the American Ceramic Society,1993,76(05):1373. |
| [12] | Nagata K;Okazaki K .One-directional grain-oriented lead metaniobate ceramics[J].Japanese Journal of Applied Physics,1985,24:812. |
| [13] | Arendt R H;Rosolowski J H .Lead zirconate titanate ceramics from molten salt solvent synthesized powders[J].Materials Research Bulletin,1979,14(05):703. |
| [14] | Hua Tian;Junfeng Ma;Lijin Xie .Low temperature synthesis of nano-sized (Sn_(0.25),Ti_(0.75))O_2 photocatalysts by a molten salt method[J].CERAMICS INTERNATIONAL,2007(6):915-918. |
| [15] | 范亚红,孙清池,王裕斌,潘铁政,陆翠敏.熔盐法合成Na0.5K0.5NbO3粉体[J].功能材料,2005(12):1974-1976. |
| [16] | 李立宏,邢献然,陈骏,蔡宗英,邓金侠,孙策,刘桂荣.熔盐法合成LiTaO3粉体[J].无机化学学报,2006(08):1491-1494. |
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