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首页> 外文期刊>Applied Physics Letters >XPS study of Sb-/ln-doping and surface pinning effects on the Fermi level in SnO_2 (101) thin films
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XPS study of Sb-/ln-doping and surface pinning effects on the Fermi level in SnO_2 (101) thin films

机译：XPS研究Sb // In掺杂和表面钉扎对SnO_2（101）薄膜中费米能级的影响

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摘要

To investigate the doping and surface electron accumulation layer properties of tin dioxide (SnO_2), the Fermi level and surface band bending of unintentionally-, antimony (Sb)-, and indium (In)-doped SnO_2 (101) films were investigated by aluminum and hard x-ray photoelectron spectroscopy, which probe surface and bulk regions, respectively. The Fermi level was above the conduction band minimum (CBM) for unintentionally-doped films and for highly Sb-doped films, which showed the conduction band feature, and deep in the band gap for In-doped films. The band bending and surface Fermi level indicated a surface Fermi level pinning in the CBM.
机译：为了研究二氧化锡（SnO_2）的掺杂和表面电子累积层特性，通过铝研究了无意掺杂锑，锑（Sb）和铟（In）的SnO_2薄膜的费米能级和表面能带弯曲和硬X射线光电子能谱，分别探测表面和主体区域。对于无意掺杂的薄膜和高Sb掺杂的薄膜，费米能级高于导带最小值（CBM），这显示了导带特征，而In掺杂薄膜的带隙深。带弯曲和表面费米能级表示在CBM中钉扎的表面费米能级。

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  • 来源
    《Applied Physics Letters》 |2011年第23期|p.232107.1-232107.3|共3页
  • 作者

    T. Nagata; O. Bierwagen; M. E. White; M. Y. Tsai; Y. Yamashita; H. Yoshikawa; N. Ohashi; K. Kobayashi; T. Chikyow; J. S. Speck;

  • 作者单位

    Department of Materials, University of California, Santa Barbara, California 93106, USA,National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan;

    Department of Materials, University of California, Santa Barbara, California 93106, USA;

    Department of Materials, University of California, Santa Barbara, California 93106, USA;

    Department of Electrical and Computer Engineering, University of California, Santa Barbara,California 93106, USA;

    National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan;

    National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan;

    National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan;

    National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan;

    National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan;

    Department of Materials, University of California, Santa Barbara, California 93106, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 入库时间 2022-08-18 03:18:02

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