测量了ZnO-TiO2和ZnO-CuO导电陶瓷的正电子寿命谱及其电阻率,研究了TiO2和CuO掺杂对ZnO陶瓷中电子密度和电阻率的影响.结果表明:在ZnO中加入少量的TiO2,随着ZnO陶瓷中TiO2含量的增加,样品中的自由电子密度升高,电阻率降低;在ZnO中加入少量的CuO,随着ZnO陶瓷中CuO含量的增加,样品中的自由电子密度降低,电阻率升高.
参考文献
| [1] | Look DC. .Recent advances in ZnO materials and devices[J].Materials Science & Engineering, B. Solid-State Materials for Advanced Technology,2001(1/3):383-387. |
| [2] | U. Ozgur;Ya. I. Alivov;C. Liu;A. Teke;M. A. Reshchikov;S. Dogan;V. Avrutin;S.-J. Cho;H. Morkoc .A comprehensive review of ZnO materials and devices[J].Journal of Applied Physics,2005(4) |
| [3] | 林元华,张中太,袁方利,李晋林.ZnO导电陶瓷的制备及其性能表征[J].半导体学报,1999(10):867. |
| [4] | 徐业彬;王士良 .ZnO线性电阻性能研究[J].功能材料,1994,25(01):49. |
| [5] | 袁方利;李晋林;徐业彬 等.ZnO基陶瓷的导电性能研究[J].功能材料,1998,29(06):592. |
| [6] | Dong Xu;Xiaonong Cheng;Guoping Zhao .Microstructure and electrical properties of Sc_2O_3-doped ZnO-Bi_2O_3-based varistor ceramics[J].CERAMICS INTERNATIONAL,2011(3):701-706. |
| [7] | 徐东,唐冬梅,焦雷,袁宏明,赵国平,程晓农.高能球磨掺杂氧化物粉体和压敏陶瓷粉体对氧化锌压敏陶瓷性能的影响[J].中国有色金属学报（英文版）,2012(06):1423-1431. |
| [8] | Ji-le Li;Guo-hua Chen;Chang-lai Yuan .Microstructure and electrical properties of rare earth doped ZnO-based varistor ceramics[J].CERAMICS INTERNATIONAL,2013(3):2231-2237. |
| [9] | Vasiliev A A;Godovski D Y;Buturlin A I et al.Semiconductor ensors for determination of fluorine-containing gas mixtures[J].Sensors and Actuators B: Chemical,1993,14(1-3):705. |
| [10] | Hidehito Nanto;Hideki Sokooshi;Takaaki Kawai .Aluminum-doped ZnO thin film gas sensor capable of detecting freshness of sea foods[J].Sensors and Actuators B: Chemical,1993,14(1-3):715. |
| [11] | Liu, H.;Avrutin, V.;Izyumskaya, N.;?zgr, ?.;Morko?, H. .Transparent conducting oxides for electrode applications in light emitting and absorbing devices[J].Superlattices and microstructures,2010(5):458-484. |
| [12] | Zu P.;Wong GKL.;Kawasaki M.;Ohtomo A.;Koinuma H.;Segawa Y.;Tang ZK. .ULTRAVIOLET SPONTANEOUS AND STIMULATED EMISSIONS FROM ZNO MICROCRYSTALLITE THIN FILMS AT ROOM TEMPERATURE[J].Solid State Communications,1997(8):459-463. |
| [13] | Y. R. Ryu;J. A. Lubguban;T. S. Lee;H. W. White;T. S. Jeong;C. J. Youn;B. J. Kim .Excitonic ultraviolet lasing in ZnO-based light emitting devices[J].Applied physics letters,2007(13):131115.1-131115.3. |
| [14] | Look DC;Claflin B;Alivov YI;Park SJ .The future of ZnO light emitters[J].Physica Status Solidi, A. Applied Research,2004(10):2203-2212. |
| [15] | Robert F. Service .Will UV Lasers Beat the Blues?[J].Science,1997(5314):895-0. |
| [16] | Chun-An Tseng;Jing-Chie Lin;Yu-Fong Chang;San-Der Chyou;Kun-Cheng Peng .Microstructure and characterization of Al-doped ZnO films prepared by RF power sputtering on Al and ZnO targets[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2012(16):5996-6002. |
| [17] | Kohan A F;Ceder G;Morgan D .First-principles study of native point defects in ZnO[J].Physical Review B: Condensed Matter,2000,61(22):15019. |
| [18] | Ramanachalam M S;Rohatgi A;Schaffer J P et al.Characterization of ZnO varistor degradation using life time positron Annihilation spectroscopy[J].Journal of Applied Physics,1991,69(12):8380. |
| [19] | Winston R A;Cordaro J F .Grain boundary electron traps in commercial zinc oxide varistors[J].Journal of Applied Physics,1990,68(12):6495. |
| [20] | 郭秋娥,黄宇阳,邓文.微观缺陷和3d电子对La2/3Ca1/3Mn1-xFexO3陶瓷磁电阻性能的影响[J].材料导报,2012(22):111-114. |
| [21] | DENG Wen;ZHONG Xiaping;HUANG Yuyang .Effects of Nb and Si on density of valence electrons in bulk and defects of Fe_3Al alloys[J].Science in China.Series A.Mathematics, physics, astronomy,1999(1):87-92. |
| [22] | Kirkegaard P .Positronfit extended:A new version of a program for analysing positron lifetime spectra[J].Computer Physics Communications,1974,7(07):401. |
| [23] | Brandt W;Paulin R .Positron diffusion in solid[J].Physical Review B: Condensed Matter,1972,5(07):2430. |
| [24] | Brandt W;Reinheimer J .Theory of semiconductor response to charged particles[J].Physical Review B: Condensed Matter,1970,2(08):3104. |
| [25] | Maleki Shahraki, M.;Ali Shojaee, S.;Faghihi Sani, M.A.;Nemati, A.;Safaee, I. .Two-step sintering of ZnO varistors[J].Solid state ionics,2011(1):99-105. |
| [26] | Shaft K Muhammed;Vinodkumar R;Bose R Jolly et al.Effect of Cu on the microstructure and electrical properties of Cu/ZnO thin films[J].Journal of Alloys and Compounds,2013,551(02):243. |
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%