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首页> 外文期刊>Japanese journal of applied physics >Investigation of electron emission site of p-i-n diode-type emitters with negative electron affinity
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Investigation of electron emission site of p-i-n diode-type emitters with negative electron affinity

机译：具有负电子亲和力的p-i-n二极管型发射器的电子发射部位的研究

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摘要

Electron emission sites of p-i-n diode-type electron emitters with a negative electron affinity (NEA) were investigated. Using a mesa with n~+-layer top structures, emission current was found to be proportional to the periphery length of a comb-shaped mesa, where only n~+- and i-layers were etched. In addition, when the gap between fingers of the comb-shaped mesa was too small, the emission current was clearly suppressed. These indicate that it is reasonable to consider that the i-layer is the main emission site in this device. Our present results provide directions for the future design of p-i-n diode-type NEA electron emitters.
机译：研究了具有负电子亲和力（NEA）的p-i-n二极管型电子发射器的电子发射位置。使用具有n〜+层顶部结构的台面，发现发射电流与梳状台面的外围长度成比例，其中仅蚀刻n〜+和i层。另外，当梳状台面的手指之间的间隙太小时，发射电流被明显抑制。这些表明合理地认为i层是此设备中的主要发射点。我们目前的结果为p-i-n二极管型NEA电子发射器的未来设计提供了方向。

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  • 来源
    《Japanese journal of applied physics》 |2014年第5s1期|05FP07.1-05FP07.5|共5页
  • 作者

    Daisuke Takeuchi; Satoshi Koizumi; Toshiharu Makino; Hiromitsu Kato; Hideyo Okushi; Hiromichi Ohashi; Satoshi Yamasaki;

  • 作者单位

    Energy Technology Research Institute, Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan,ALCA/JSTc/o AIST, Tsukuba, Ibaraki 305-8568, Japan,CREST/JST c/o AIST, Tsukuba, Ibaraki 305-8568, Japan;

    Wide Bandgap Materials Group, National Institute of Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan,ALCA/JSTc/o AIST, Tsukuba, Ibaraki 305-8568, Japan,CREST/JST c/o AIST, Tsukuba, Ibaraki 305-8568, Japan;

    Energy Technology Research Institute, Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan,ALCA/JSTc/o AIST, Tsukuba, Ibaraki 305-8568, Japan,CREST/JST c/o AIST, Tsukuba, Ibaraki 305-8568, Japan;

    Energy Technology Research Institute, Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan,ALCA/JSTc/o AIST, Tsukuba, Ibaraki 305-8568, Japan,CREST/JST c/o AIST, Tsukuba, Ibaraki 305-8568, Japan;

    Energy Technology Research Institute, Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan,ALCA/JSTc/o AIST, Tsukuba, Ibaraki 305-8568, Japan,CREST/JST c/o AIST, Tsukuba, Ibaraki 305-8568, Japan;

    Energy Technology Research Institute, Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan,ALCA/JSTc/o AIST, Tsukuba, Ibaraki 305-8568, Japan,CREST/JST c/o AIST, Tsukuba, Ibaraki 305-8568, Japan;

    Energy Technology Research Institute, Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan,ALCA/JSTc/o AIST, Tsukuba, Ibaraki 305-8568, Japan,CREST/JST c/o AIST, Tsukuba, Ibaraki 305-8568, Japan;

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