采用水热法在500℃的低温条件下成功地合成了具有负热膨胀系数的材料ZrW2O8.X射线衍射结果表明,当加入的盐酸溶液浓度cHCl≥6 mol/L时,可用水热法合成出多晶前驱体ZrW2O7(OH)2(H2O)2.运用热重-差热分析法研究了前驱体ZrW2O7(OH)2(H2O)2和产物ZrW2O8的热稳定性.结果表明,前驱体在较低温度(500℃)下灼烧即可获得产物ZrW2O8.经X射线衍射和红外光谱分析证明,所获得的产物为单一立方相ZrW2O8.
参考文献
| [1] | Mary T A, Evans J S O, Vogt T, Sleight A W. Science,1996; 272:90 |
| [2] | Evans J S O, Hu Z, Jorgensen J D, Argyriou D N, Short S, Sleight A W. Science, 1997; 275:61 |
| [3] | Zhao X H. Chin Chem Bull, 1998; (11): 19(赵新华.化学通报,1998;(11):19) |
| [4] | Wang C, Wang T M, Shen R, Liang J K. Physics, 2001;30:772(王聪,王天民,沈容,梁敬魁.物理,2001;30:772) |
| [5] | Li S H, Zhao X H. Rare Met Cemented Carbides, 2002;30(1): 14(李淑欢,赵新华.稀有金属与硬质合金,2002;30(1):14) |
| [6] | Nakajima N, Yamamura Y, Tsuji T. Solid State Commun,2003; 128:193 |
| [7] | Holzer H, Dunand D C. J Mater Res, 1999; 14:780 |
| [8] | Verdon C, Dunand D C. Scr Mater, 1997; 36:1075 |
| [9] | Shen R, Wang C, Wang T M. J Inorg Mater, 2002; 17:1089(沈容,王聪,王天民.无机材料学报,2002;17:1089) |
| [10] | Chang L L Y, Scroger M G, Phillips B. J Am Ceram Soc,1967; 50:211 |
| [11] | Khosrovani N, Sleight A W, Vogt T. J Solid State Chem,1997; 132:355 |
| [12] | Kameswari U, Sleight A W, Evans J S O. Int J Inorg Mater, 2000; 2:333 |
| [13] | Shen R, Wang T M, Bai H L, Xiong C J. Mater Eng, 2003;(3): 3(沈容,王天民,白海龙,熊常健.材料工程,2003;(3):3) |
| [14] | Closmann C, Sleight A W. J Solid State Chem, 1998; 139:424 |
| [15] | Wilkinson A P, Lind C, Pattanaik S. Chem Mater, 1999;11:101 |
| [16] | Kong X Y, Wu J S, Zeng Z P. J Chin Ceram Soc, 1999;27:265(孔向阳,吴建生,曾振鹏.硅酸盐学报,1999;27:265) |
| [17] | Evans J S O, Mary T A, Vogt T, Subramanian A, Sleight A W. Chem Mater, 1996; 8:2809 |
| [18] | Gallardo-Amores J M, Amador U, Moran E, AlarioFranco M A. Int J Inorg Mater, 2000; 2:123 |
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