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Characterization of the structural and electrical properties of ion beam sputtered ZnO films

机译:离子束溅射ZnO薄膜的结构和电性能表征

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摘要

We report the structural and electrical properties of ion beam sputtered ZnO films vacuum annealed at varying temperatures. XRD results revealed that the films grow along the c-axis. The crystallite sizes increase from ~8 to ~30 nm upon annealing at 800 ℃. Annealing aided to recover the compressive strain and regain the standard lattice parameter values. The RMS surface roughness increased to ~5.0 nm after annealing at 800 ℃ as observed in AFM micrographs. Increased resistivity on the annealed films suggested that the oxygen vacancies are compensated by de-trapped oxygen at grain boundaries.
机译:我们报告了在不同温度下真空退火的离子束溅射ZnO薄膜的结构和电性能。 XRD结果表明,薄膜沿c轴生长。在800℃退火后,晶粒尺寸从〜8增加到〜30 nm。退火有助于恢复压缩应变并恢复标准晶格参数值。在AFM显微照片中观察到,在800℃退火后,RMS表面粗糙度增加到〜5.0 nm。退火后的薄膜电阻率增加,表明氧空位被晶界处的去离子氧所补偿。

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  • 来源
  • 会议地点 Wellington(NZ);Wellington(NZ)
  • 作者单位

    National Isotope Centre, GNS Science, PO Box 31312, Lower Hutt, New Zealand,The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand,School of Chemical and Physical Sciences, Victoria University of Wellington, PO Box 600, Wellington, New Zealand;

    National Isotope Centre, GNS Science, PO Box 31312, Lower Hutt, New Zealand,The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand;

    The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand,School of Chemical and Physical Sciences, Victoria University of Wellington, PO Box 600, Wellington, New Zealand;

    National Isotope Centre, GNS Science, PO Box 31312, Lower Hutt, New Zealand,The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料一般性问题;
  • 关键词

    ZnO; ion beam sputtering; XRD, AFM; resistivity; carrier concentration;

    机译:氧化锌;离子束溅射XRD,AFM;电阻率载流子浓度;

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