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作者:

Yi, Lu (Yi, Lu.) | Li, Wang (Li, Wang.)

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CPCI-S EI Scopus

摘要:

The amorphous oxide semiconductors (AOSs) are promising for emerging large-area optoelectronic applications because of capability of large-area, uniform deposition at low temperatures such as room temperature (RT). Indium-gallium-zinc oxide (InGaZnO) thin film is a promising amorphous semiconductors material in thin film transistors (TFT) for its excellent electrical properties. In our work, the InGaZnO thin films are fabricated on the SiO2 glass using pulsed laser deposition (PLD) in the oxygen partial pressure altered from 1 to 10 Pa at RT. The targets were prepared by mixing Ga2O3, In2O3, and ZnO powder at a mol ratio of 1: 7: 2 before the solid-state reactions in a tube furnace at the atmospheric pressure. The targets were irradiated by an Nd:YAG laser(355nm). Finally, we have three films of 270nm, 230nm, 190nm thick for 1Pa, 5Pa, 10Pa oxygen partial pressure. The product thin films were characterized by X-ray diffraction (XRD), atomic force microscopy (AFM), Hall-effect investigation. The comparative study demonstrated the character changes of the structure and electronic transport properties, which is probably occurred as a fact of the different oxygen partial pressure used in the PLD.

关键词:

AFM Hall-effect indium gallium zinc oxide(IGZO) pulsed laser deposition(PLD) Thin film transistors(TFT) XRD

作者机构:

  • [ 1 ] [Yi, Lu]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Wang]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

通讯作者信息:

  • [Yi, Lu]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

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来源 :

HIGH-POWER LASERS AND APPLICATIONS VI

ISSN: 0277-786X

年份: 2012

卷: 8551

语种: 英文

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