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中国科学技术大学 物理系
收稿:2009-11-01,
修回:1900-1-2,
网络首发:2010-04-30,
纸质出版:2010-04-30
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刘秉策, 刘磁辉, 孙利杰, 等. ZnO薄膜微结构变化对光电特性的影响[J]. 发光学报, 2010,31(2):194-198.
LIU Bing-ce, LIU Ci-hui, SUN Li-jie, et al. Influence of ZnO Microstructure Variation on Its Photoelectricity Characteristics[J]. Chinese Journal of Luminescence, 2010, 31(2): 194-198.
使用脉冲激光淀积(PLD)技术在n型Si衬底上沉积氧化锌(ZnO)薄膜
在O
2
气氛下对样品进行了500 ℃(Sample 1
S1)
600 ℃(Sample 2
S2)
700 ℃(Sample 3
S3)和800 ℃(Sample 4
S4)退火
随后进行了X射线衍射(XRD)谱
椭偏光折射率
热激电流(TSC) 和电容-电压(
C-V
)的测量。研究发现:S1中晶界的电子陷阱由高浓度的深能级杂质(Zn
i
)提供的电子填充
该能级位于
E
T
=
E
C
-0.24±0.08 eV。S3中出现与中性施主(D
0
)有关的深能级中心
其
E
T
=
E
C
-0.13±0.03 eV
推测D
0
的出现与高温氧气条件退火下晶界处形成的复合体缺陷有关。XRD和椭偏光折射率测量结果表明:氧气对ZnO薄膜微结构的修饰是改变ZnO/Si结构光电特性的主要因素。
paper
. zgür V, Alivor Ya I, Liu C, et al. A comprehensive review of ZnO materials and devices [J]. J. Appl. Phys., 2005, 98 (4):041301-1-103.
. Kohan A F, Ceder G, Morgan D, et al. First-principles study of native point defects in ZnO [J]. Phys. Rev. B, 2000, 61 (22):15019-15027.
. Fu Z X, Lin B X, Zu J. Photoluminescence and structure of the ZnO films deposited on Si substrates by metal-organic chemical vapor deposition [J]. Thin Solid Films, 2002, 402 (1-2):302-306.
. Liu C H, Chen Y L, Lin B X, et al. Electrical properties of ZnO/Si heterostructure [J]. Chin. Phys. Lett., 2001, 18 (8):1108-1113.
. Kim H S, Jung E S, Lee W J, et al. Effects of oxygen concentration on the electrical properties of ZnO films [J]. Cera-mics International, 2008, 34 (4):1097-1101.
. Simpson J C, Cordaro J F. Characterization of deep levels in zinc oxide [J]. J. Appl. Phys., 1988, 63 (5):1781-1783.
. Fan J W, Freer R. Deep level transient spectroscopy of zinc oxide varistors doped with aluminum oxide and/or silver oxide [J]. J. Am. Ceram. Soc.,1994, 77 (10):2663-2668.
. Liu C H, Xu X Q, Zhong Z, et al. Donor-accepter luminescence in ZnO ∶ LiCl/p-Si films [J]. Chin. J. Semiconductor (半导体学报), 2007, 28 (zl):171-174 (in Chinese).
. Tang X, Clauzonnier A, Campbell H I, et al. Electrical characterization of zinc oxide thin films by electro chemical canacitance -voltage profiling [J]. Appl. Phys. Lett., 2004, 84 (16):3043-3045.
. Schroder D K, Guldberg J. Interpretation of surface and bulk effects using the pulsed MIS capacitor [J]. Solid-State Electronics, 1971, 14 (12):1285-1297.
. Liu E K, Zhu B S, Luo J S. Semiconductor Physics [M]. Beijing: National Defense Industry Press, 1994, 241 (in Chinese).
. Liu C H, Liu B C, Fu Z X, et al. Electrical and deep levels characteristics of ZnO/Si heterostructure by MOCVD deposition [J]. Chin. Phys. B, 2008, 17 (6):2292-2296.
. Liu C H, Su J F, Zhang W Y, et al. The investigation of ellipsometry and DLTS characteristic for the ZnO films [J]. Chin. J. Lumin. (发光学报), 2008, 29 (3):495-498 (in Chinese).
. He H B, Yi K, Fan Z X. Optical properties of ZnO films [J]. Acta Optica Sinica (光学学报), 1998, 18 (6):799-802 (in Chinese).
. Cevdet C, Mehmet B, Hasan E. Temperature dependence of current-voltage characteristics of Sn/p-GaTe Schottky diodes [J]. Appl. Surface Science, 2003, 211 (1-4):360-366.
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