Abstract Study of Coulomb attractive random telegraph signal in surface acoustic wave based single electron transport (SAW/SET) devices
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Study of Coulomb attractive random telegraph signal in surface acoustic wave based single electron transport (SAW/SET) devices

机译：基于表面声波的单电子传输（SAW / SED）器件的库仑吸引力随机电报信号研究

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摘要

AbstractWe investigated the random telegraph signal (RTS) in surface acoustic wave based single electron transport (SAW/SET) devices. In our experiment, the ratio of the average time at the high acoustoelectric (AE) current state to the average time at the low AE current state,τhigh/τlow, increases when the gate voltage is progressively positive, as well as the radio frequency (rf) power is increased and the offset voltage is gradually decreased. The experiment result indicates that the trap center is positively charged before trapping an electron. In this paper, we describe one kind of RTS attributed to the positively charged trap center. And we can get information on the spin properties of a single trap by investigating the magnetic field dependence of the average time ratioτhigh/τlowof the RTS.
机译：<！[cdata [ Abstract 我们调查了基于表面声波的单电子传输（SAW / SET）器件中的随机电报信号（RTS）。在我们的实验中，高声电（AE）电流状态的平均时间与低AE电流状态下的平均时间的比率 τ H I G H / τ< / MML：MI> L O W ，当栅极电压逐渐积极时增加，以及射频（RF）功率增加并且偏移电压逐渐降低。实验结果表明在捕获电子之前，陷阱中心是正电荷的。在本文中，我们描述了一种归因于带正电荷的陷阱中心的一种RT。通过调查平均时间比 τ H I G H / τ < / MML：MROW> L O W RTS。

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  • 来源
    《Physics Letters, A》 |2017年第44期|共6页
  • 作者

    Li Song; Jianzhuang Yin; Shuwei Chen;

  • 作者单位

    Laboratory of Mesoscopic and Low Dimensional Physics College of Physical Science and Technology Sichuan University;

    Laboratory of Mesoscopic and Low Dimensional Physics College of Physical Science and Technology Sichuan University;

    Laboratory of Mesoscopic and Low Dimensional Physics College of Physical Science and Technology Sichuan University;

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

    Acoustoelectric current; Quantum dot; Random telegraph signal;

    机译：声电流;量子点;随机电报信号;

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