National Changhua University of Education Institutional Repository : Item 987654321/18477
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题名: Negative Differential Conductance in a Lateral Hot-electron Device
作者: Wu, Jong-Ching;Wybourne, M. N.;Berven, C.;Goodnick, S. M.;Smith, Doran D.
贡献者: 物理學系
日期: 1994
上传时间: 2014-06-06T07:16:53Z
出版者: IOP Publishing Ltd
摘要: We report on the observations of S-type negative differential conductance in the current-voltage characteristics of a pinched cavity quantum
dot structure. An energy balance approach is used to explain the existence of bistable current-voltage characteristics due to thermal runaway of the hot carriers in the dot structure. This runaway is shown to arise from heating of carriers in the quantum dot by incident electrons injected over the barrier of the input constriction. The observed S-type negative differential conductance is controlled by a third-terminal gate bias, and may be turned on or off depending on the bias voltage. Thus the effect may be utilized to realize a multiterminal switching device.
關聯: Semiconductor Science and Technology, 9(5S): 922-925
显示于类别:[物理學系] 期刊論文

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