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首页> 外文期刊>Applied Physics Letters >Benchmarking current density in staggered gap In_(0.53)Ga_(0.47)As/GaAs_(0.5)Sb_(0.5) heterojunction Esaki tunnel diodes
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Benchmarking current density in staggered gap In_(0.53)Ga_(0.47)As/GaAs_(0.5)Sb_(0.5) heterojunction Esaki tunnel diodes

机译:交错间隙In_(0.53)Ga_(0.47)As / GaAs_(0.5)Sb_(0.5)异质结Esaki隧道二极管中的基准电流密度

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摘要

The impact of dopant concentration on the current densities of In_(0.53)Ga_(0.47)As/GaAs_(0.5)Sb_(0.5) heterojunction Esaki tunnel diodes is investigated. Increased doping density results in increased peak and Zener current densities. Two different structures were fabricated demonstrating peak current densities of 92 kA/cm~2 and 572 kA/cm~2, Zener current densities of 994 kA/cm~2 and 5.1 MA/cm~2 at a -0.5 V bias, and peak-to-valley current ratios of 6.0 and 5.4, respectively. The peak current scaled linearly with area down to a 70 nm diameter. The peak current densities were benchmarked against Esaki diodes from other material systems based on doping density and tunnel barrier height.
机译:研究了掺杂剂浓度对In_(0.53)Ga_(0.47)As / GaAs_(0.5)Sb_(0.5)异质结Esaki隧道二极管电流密度的影响。掺杂密度的增加导致峰值和齐纳电流密度的增加。制作了两种不同的结构,分别表明在-0.5 V偏压下的峰值电流密度分别为92 kA / cm〜2和572 kA / cm〜2,齐纳电流密度分别为994 kA / cm〜2和5.1 MA / cm〜2和-谷电流比分别为6.0和5.4。峰值电流线性减小,直径减小至70 nm。根据掺杂密度和隧道势垒高度,将峰值电流密度与其他材料系统的Esaki二极管进行了比较。

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  • 来源
    《Applied Physics Letters》 |2013年第21期|213504.1-213504.4|共4页
  • 作者单位

    Department of Electrical and Microelectronic Engineering, Rochester Institute of Technology, Rochester,New York 14623, USA;

    Department of Electrical and Microelectronic Engineering, Rochester Institute of Technology, Rochester,New York 14623, USA;

    Department of Electrical and Microelectronic Engineering, Rochester Institute of Technology, Rochester,New York 14623, USA;

    Department of Electrical and Microelectronic Engineering, Rochester Institute of Technology, Rochester,New York 14623, USA;

    SEMATECH, Albany, New York 12203, USA;

    SEMATECH, Albany, New York 12203, USA;

    SEMATECH, Albany, New York 12203, USA;

    SEMATECH, Albany, New York 12203, USA;

    SEMATECH, Albany, New York 12203, 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);
  • 原文格式 PDF
  • 正文语种 eng
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