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首页> 外文期刊>Journal of coatings technology and research >Fabrication and characterization of Cd-enriched CdTe thin films by close spaced sublimation
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Fabrication and characterization of Cd-enriched CdTe thin films by close spaced sublimation

机译：近距离升华富镉CdTe薄膜的制备与表征

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摘要

Cd-enriched cadmium telluride (CdTe) polycrystalline films were grown on corning glass substrates by close spaced sublimation (CSS) technique. To our knowledge, Cd-enriched CdTe thin films by CSS have not been reported earlier. The structural investigations performed by means of X-ray diffraction (XRD) technique, scanning electron microscope (SEM), and energy dispersive X-ray spectroscopy (EDX) showed that the deposited films exhibit a polycrystalline structure with (111) as preferred orientation. The structural, optical, and electrical properties of these films were analyzed as a function of the Cd concentration. For the films having an excess of Cd, the electrical resistivity dropped several orders of magnitude. The deposited films also showed that the value of resistivity decreased with increasing temperature manifesting the semiconducting behavior of the films. The results showed that using this deposition technique, n-type Cd-enriched CdTe polycrystalline film could be produced.
机译：通过近距离升华（CSS）技术，将富含镉的碲化镉（CdTe）多晶膜生长在康宁玻璃基板上。据我们所知，由CSS富Cd的CdTe薄膜尚未得到报道。通过X射线衍射（XRD）技术，扫描电子显微镜（SEM）和能量色散X射线光谱法（EDX）进行的结构研究表明，所沉积的膜表现出具有（111）作为优选取向的多晶结构。分析了这些薄膜的结构，光学和电学性质与Cd浓度的关系。对于具有过量Cd的膜，电阻率下降了几个数量级。沉积的膜还表明，电阻率的值随温度升高而降低，这表明膜的半导体行为。结果表明，使用这种沉积技术，可以制备出n型富Cd的CdTe多晶膜。

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  • 来源
    《Journal of coatings technology and research》 |2009年第2期|251-256|共6页
  • 作者

    M. Arif Khan; Nazar A. Shah; A. Ali; M. Basharat; M. A. Hannan; A. Maqsood;

  • 作者单位

    Thermal Physics Laboratory, Department of Physics,Quaid-I-Azam University, Islamabad 45320, Pakistan;

    Department of Physics COMSATS Institute of Information Technology, Islamabad, Pakistan;

    Thermal Physics Laboratory, Department of Physics,Quaid-I-Azam University, Islamabad 45320, Pakistan;

    Thermal Physics Laboratory, Department of Physics,Quaid-I-Azam University, Islamabad 45320, Pakistan;

    Thermal Physics Laboratory, Department of Physics,Quaid-I-Azam University, Islamabad 45320, Pakistan;

    Centre for Chemical Engineering and Material Sciences, National University of Sciences and Technology (NUST), B-2 NHS, F11/1, Islamabad, Pakistan;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    thin film; coatings; transmission; resistivity; cadmium telluride;

    机译：薄膜;涂料;传播;电阻率碲化镉;

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