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首页> 外文期刊>Nature nanotechnology >A semi-floating gate memory based on van der Waals heterostructures for quasi-non-volatile applications
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A semi-floating gate memory based on van der Waals heterostructures for quasi-non-volatile applications

机译：基于van der Waals异质结构的半浮栅存储器，用于准非易失性应用

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摘要

As conventional circuits based on field-effect transistors are approaching their physical limits due to quantum phenomena, semi-floating gate transistors have emerged as an alternative ultrafast and silicon-compatible technology. Here, we show a quasi-non-volatile memory featuring a semi-floating gate architecture with band-engineered van der Waals heterostructures. This two-dimensional semi-floating gate memory demonstrates 156 times longer refresh time with respect to that of dynamic random access memory and ultrahigh-speed writing operations on nanosecond timescales. The semi-floating gate architecture greatly enhances the writing operation performance and is approximately 10(6) times faster than other memories based on two-dimensional materials. The demonstrated characteristics suggest that the quasi-non-volatile memory has the potential to bridge the gap between volatile and non-volatile memory technologies and decrease the power consumption required for frequent refresh operations, enabling a high-speed and low-power random access memory.
机译：由于基于现场效应晶体管的传统电路正在接近它们由于量子现象而接近其物理限制，因此半浮栅晶体管作为替代超快和硅兼容的技术。在这里，我们示出了一种用于具有带工程van der Waals异质结构的半浮栅架构的准非易失性存储器。该二维半浮栅存储器在纳秒时间尺度上的动态随机存取存储器和超高速写入操作的刷新时间长156倍。半浮栅架构极大地增强了写入操作性能，比基于二维材料的其他存储器快约10（6）倍。所示的特征表明，准非易失性存储器具有桥接易失性和非易失性存储器技术之间的差距，并降低频繁刷新操作所需的功耗，从而实现高速和低功耗随机存取存储器。

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  • 来源
    《Nature nanotechnology》 |2018年第5期|共8页
  • 作者

    Liu Chunsen; Yan Xiao; Song Xiongfei; Ding Shijin; Zhang David Wei; Zhou Peng;

  • 作者单位

    Fudan Univ Sch Microelect State Key Lab ASIC &

    Syst Shanghai Peoples R China;

    Fudan Univ Sch Microelect State Key Lab ASIC &

    Syst Shanghai Peoples R China;

    Fudan Univ Sch Microelect State Key Lab ASIC &

    Syst Shanghai Peoples R China;

    Fudan Univ Sch Microelect State Key Lab ASIC &

    Syst Shanghai Peoples R China;

    Fudan Univ Sch Microelect State Key Lab ASIC &

    Syst Shanghai Peoples R China;

    Fudan Univ Sch Microelect State Key Lab ASIC &

    Syst Shanghai Peoples R China;

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