利用机械化学法合成了平均粒径为17nm的钠钨青铜NaxWO3(x～0.88) 纳米晶材料.高纯Na片和WO3粉末经过行星式球磨机1h高能球磨,有固相反应Na+WO3→NaxWO3+Na2WO4发生.反应经过44h基本完成.利用去离子水洗涤后可得到纯净的钠钨青铜粉末.182W穆斯堡尔谱在77K温度下为一单线峰,显示样品为立方晶体结构.电性质测量表明样品的电阻率随着温度降低而升高,呈半导体特征,并可用三维可变程跃迁模型来描述.
参考文献
| [1] | GranqvistCG.Hand Book of Inorganic Electrochromic Materials[M].First Edition, Amsterdam: Elsevier,1995 |
| [2] | Bartha L;Kiss A B .[J].International Journal of Refractory Metals and Hard Materials,1995,13(1-3):77. |
| [3] | Reich S;Tsabba Y .[J].the European Physical Journal B,1999,9(01):1. |
| [4] | Shengelaya A;Reich S;Tsabba Y et al.[J].the European Physical Journal B,1999,12(01):13. |
| [5] | Wohler F .[J].Annales De Chimie Et De Physique,1923,43:23. |
| [6] | Sharpe A G.Inorganic chemistry[M].Longman,1981:620. |
| [7] | 李立曼;王刚 .[J].物理学报,1989,38(05):846. |
| [8] | Zhao X Z;Roy R;Cherian K A et al.[J].NATURE,1993,385:513. |
| [9] | Chen Q W;Qian Y T .[J].PHYSICA C,1994,224:283. |
| [10] | Zhan J.H.;Xie Y.;Li B.F.;Qain Y.T.;Jia Y.B.;Yang X.G. .Solvothermal route for the synthesis of ammonium tungsten bronze[J].Solid state ionics,1999(3/4):373-377. |
| [11] | Ding J;Miao W F;McCormick P G et al.[J].Applied Physics Letters,1995(67):3804. |
| [12] | Ding J;Tsuzuki T;McCormick P G .739[J].Nano-Structured Materials,1997,8(06):739. |
| [13] | Ding J.;McCormick PG.;Tsuzuki T. .Ultrafine BaFe12O19 powder synthesised by mechanochemical processing[J].Journal of Magnetism and Magnetic Materials,1998(2):931-932. |
| [14] | Suryanarayana C. .Mechanical alloying and milling [Review][J].Progress in materials science,2001(1/2):1-184. |
| [15] | 张修庆,朱心昆,颜丙勇,程抱昌.反应球磨技术制备纳米材料[J].材料科学与工程,2001(02):95-99. |
| [16] | 黄润生,刘斌,张锦荣,刘聪,高学奎.液氮温区182W M（o）ssbauer实验[J].科学通报,2000(23):2498-2550. |
| [17] | Brown B W;Banks E .[J].Journal of the American Chemical Society,1954,76:963. |
| [18] | 马如璋.穆斯堡尔谱手册[M].北京:冶金工业出版社,1993:111. |
| [19] | Mott N F;Davis E A.Electronic Processes in Non-Crystalline Materials . 2nd Edition[M].Oxford:Oxford Press,1979 |
| [20] | Fan R.;Gui Z.;Sun Z.;Li SY.;Chen ZY.;Chen XH. .Chemical synthesis and electronic conduction properties of sodium and potassium tungsten bronzes[J].The journal of physics and chemistry of solids,2000(12):2029-2033. |
| [21] | Chaitanya Lekshmi I;Aruup G;Prasad V et al.[J].Materials Research Bulletin,2002,37(11):1815. |
| [22] | Webman I;Jortner J;Cohen M H .[J].Physical Review B,1976,13:713. |
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