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Non-destructive detection of killer defects of diamond Schottky barrier diodes

机译:金刚石肖特基势垒二极管杀手缺陷的无损检测

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摘要

Reverse characteristics of vertical-type Au/p-diamond (100) Schottky barrier diodes were investigated and characterized with cathodoluminescence, which showed a correlation with crystalline defects. Electrical measurements revealed that most diodes had low reverse current below 0.1 pA in the bias voltage range up to 50 V, although reverse current increases rapidly in some diodes and reaches 0.1 mA at 10 V. A four-fold symmetrical luminescence pattern that aligned crystallographically to the substrate was observed from the Schottky diodes, showing large reverse current. Removal of these defects is a key issue to increase the diode area of diamond-based rectifiers.
机译:研究了垂直型Au / p金刚石(100)肖特基势垒二极管的反向特性,并通过阴极发光进行了表征,这与晶体缺陷相关。电气测量表明,大多数二极管在高达50 V的偏置电压范围内具有低于0.1 pA的低反向电流,尽管某些二极管中的反向电流迅速增加,并在10 V时达到0.1 mA。晶体学上排列成四向对称的四重对称发光图案从肖特基二极管观察到衬底,显示出大的反向电流。消除这些缺陷是增加基于金刚石的整流器的二极管面积的关键问题。

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  • 来源
    《Journal of Applied Physics》 |2011年第v110n5期|p.056105.1-056105.3|共3页
  • 作者单位

    Optical and Electronic Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba,Ibaraki 305-0044, Japan,Department of Applied Science for Electronics and Materials, Kyushu University, 6-1 Kasuga-kouen, Kasuga, Fukuoka 816-8580, Japan;

    Optical and Electronic Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba,Ibaraki 305-0044, Japan;

    Optical and Electronic Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba,Ibaraki 305-0044, Japan;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

  • 入库时间 2022-08-17 13:58:32

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