Effects of Near-surface Defects on the Optical, Electrical and Magnetic Properties of ZnO Films

Vadim Sh. Yalishev; Shavkat U. Yuldashev; Khusan T. Igamberdiev; Tae Won Kang; Bae Ho Park

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Effects of Near-surface Defects on the Optical, Electrical and Magnetic Properties of ZnO Films

机译：近表面缺陷对ZnO薄膜的光学，电和磁性能的影响

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We studied the optical, electrical and magnetic properties of ZnO films prepared by using a pulsed laser deposition method. Low-temperature photoluminescence (PL) measurements revealed a strong emission line at 3.333 eV. A dependence of this emission intensity on oxygen adsorbed on the surface was observed, indicating a near-surface origin for the emission. The transition at 3.333 eV was attributed to bound exciton, and the observed anomalously small thermal activation energy in comparison with the localization energy could be explained by a modification of the surface state. The observed resistance switching effect and ferromagnetism in the ZnO films were related to the existence of defects responsible for the PL emission at 3.333 eV.

机译：我们研究了使用脉冲激光沉积法制备的ZnO薄膜的光学，电学和磁性。低温光致发光（PL）测量显示在3.333 eV处有很强的发射线。观察到该发射强度与吸附在表面上的氧的依赖性，表明发射的近表面起源。在3.333 eV处的跃迁归因于束缚激子，观察到的异常热活化能与定位能相比异常小，可以通过表面状态的改变来解释。在ZnO薄膜中观察到的电阻转换效应和铁磁性与在3.333 eV处的PL发射有关的缺陷的存在有关。

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来源
《Journal of the Korean Physical Society》 |2014年第10期|共5页
作者
Vadim Sh. Yalishev; Shavkat U. Yuldashev; Khusan T. Igamberdiev; Tae Won Kang; Bae Ho Park;
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正文语种 eng
中图分类物理学;
关键词
ZnO films; Photoluminescence; Surface defects;

机译：ZnO薄膜;光致发光;表面缺陷;

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1. Effects of Near-surface Defects on the Optical, Electrical and Magnetic Properties of ZnO Films [J] . Vadim Sh. Yalishev, Shavkat U. Yuldashev, Khusan T. Igamberdiev, Journal of the Korean Physical Society . 2014,第10期

机译：近表面缺陷对ZnO薄膜的光学，电和磁性能的影响
2. Effects of ZnO Buffer Layer on Characteristics of ZnO:Ga Films Grown on Flexible Substrates: Investigation of Surface Energy, Electrical, Optical, and Structural Properties [J] . Jia-Ling Wu, Han-Yu Lin, Yu-Cheng Chen ECS Journal of Solid State Science and Technology . 2013,第4期

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3. Effects of Hydrogen Plasma Treatment on the Electrical and Optical Properties of ZnO Films:Identification of Hydrogen Donors in ZnO [J] . J.J. Dong, X. W. Zhang, J. B. You ACS applied materials & interfaces . 2010,第6期

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6. Effects of Rapid Thermal Annealing on the Structural Electrical and Optical Properties of Zr-Doped ZnO Thin Films Grown by Atomic Layer Deposition [O] . Jingjin Wu, Yinchao Zhao, Ce Zhou Zhao, 2016

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7. Effect of doping concentration on optical and electrical properties of intrinsic n-type ZnO (i-ZnO) and (Cu, Na and K) doped p-type ZnO thin films grown by chemical bath deposition method [O] . Vipul Shukla, Dr. Amit Patel 2020

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8. Investigation of the Influence of Defects in Thin Metallic Films on Their Optical and Electrical Properties [R] . Abeles, F., Couzineau, M. M., Theye, M. L. 1970

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Effects of Near-surface Defects on the Optical, Electrical and Magnetic Properties of ZnO Films

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