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Vertical field-effect transistor based on wave-function extension

机译:基于波函数扩展的垂直场效应晶体管

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摘要

We demonstrate a mechanism for a dual layer, vertical field-effect transistor, in which nearly depleting one layer will extend its wave function to overlap the other layer and increase tunnel current. We characterize this effect in a specially designed GaAs/AlGaAs device, observing a tunnel current increase of two orders of magnitude at cryogenic temperatures, and we suggest extrapolations of the design to other material systems such as graphene.
机译:我们展示了一种用于双层垂直场效应晶体管的机制,其中几乎耗尽一层将扩展其波函数以重叠另一层并增加隧道电流。我们在专门设计的GaAs / AlGaAs器件中表征了这种效应,观察到在低温下隧道电流增加了两个数量级,我们建议将该设计推算到其他材料系统(例如石墨烯)上。

著录项

  • 来源
    《Physical review》 |2011年第8期|p.085301.1-085301.5|共5页
  • 作者单位

    Department ofApplied Physics, Stanford University, Stanford, California 94305-4045, USA,SIMES, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA;

    Department ofApplied Physics, Stanford University, Stanford, California 94305-4045, USA,SIMES, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA;

    Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, New Mexico 87185, USA;

    Materials Department, University of California Santa Barbara, Santa Barbara, California 93106, USA,Electrical and Computer Engineering Department, University of Texas at Austin, Austin, Texas 78758, USA;

    Materials Department, University of California Santa Barbara, Santa Barbara, California 93106, USA;

    Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA;

    Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA;

    SIMES, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA,Department of Physics, Stanford University, Stanford, California 94305-4045, USA;

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

    tunneling; quantum wells;

    机译:隧道量子阱;

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