报道了由聚合物前驱体衍生得到的非晶SiCN和SiBCN陶瓷的直流电学特性,硼掺杂引起SiCN陶瓷材料室温电导的增加,在不同的温度区域SiCN和SiBCN陶瓷的电导温度关系出现波动起伏,观察到正的和负的电导温度系数,并对这种现象进行了讨论,拟合数据表明电导温度关系符合Arrhenius模型,表明此种材料是迁移率隙中存在很多缺陷局域态的半导体材料,随着温度升高出现了载流子与声子的相互作用过程.
参考文献
| [1] | Riedel R et al.[J].NATURE,1995,374:526. |
| [2] | Riedel R.;Dressler W.;Ruwisch L.;Bill J.;Aldinger F.;Kienzle A. .A SILICOBORON CARBONITRIDE CERAMIC STABLE TO 2,000-DEGREES-C[J].Nature,1996(6594):796-798. |
| [3] | Mocaer D et al.[J].Journal of Materials Science,1993,28:2615. |
| [4] | Christoph Haluschka et al.[J].Journal of the European Ceramic Society,2000,20:1365. |
| [5] | Sawaguchi A et al.[J].Journal of the American Ceramic Society,1991,74(05):1442. |
| [6] | Ramakrishnan P et al.[J].Applied Physics Letters,1996,78:3076. |
| [7] | Overhof H. .Fundamental concepts in the physics of amorphous semiconductors[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,1998(Pt.A):15-22. |
| [8] | Haluschka C et al.[J].Journal of the European Ceramic Society,2000,20:1355. |
| [9] | Warren W .[J].Applied Physics Letters,1991,59:1699. |
| [10] | Warren WL.;Robertson J.;Kanicki J.;Poindexter EH.;Seager CH. .CREATION AND PROPERTIES OF NITROGEN DANGLING BOND DEFECTS IN SILICON NITRIDE THIN FILMS[J].Journal of the Electrochemical Society,1996(11):3685-3691. |
| [11] | Dosh M et al.[J].Physics Letters Section A:General,Atomic and Solid State Physics,1999,260:138. |
| [12] | Mzenda V M et al.[J].Synthetic Metals,2002,127:285. |
| [13] | Mott N F.Electric Processes in Non-Crystalline Materials[M].UK:Oxford University Press,1979 |
| [14] | Stephan Trassl;Manfred Puchinger;Ernst Rosslert .Electrical properties of amorphous SiC_xN_yH_z-ceramics derived from polyvinylsilazane[J].Journal of the European Ceramic Society,2003(5):781-789. |
| [15] | Moustafa SH.;Pocsik I.;Koos M. .DC electrical properties of amorphous carbon with different bonding hybridization[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,1998(Pt.B):1087-1091. |
| [16] | Vekilov H et al.[J].Physics Letters A,2002,300:500. |
| [17] | Burgemeister E A et al.[J].Journal of Applied Physics,1979,50:5790. |
| [18] | Cai Y et al.[J].Scripta Materialia,2001,45:1301. |
| [19] | Rivier N .[J].Physical Review Letters,1968,21:904. |
| [20] | Gurvitch M .[J].Physical Review Letters,1986,56:47. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%