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Device performance limits and negative capacitance of monolayer GeSe and GeTe tunneling field effect transistors

机译:单层GEES和Gete隧道场效应晶体管的装置性能限制和负电容

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摘要

Exploring the device performance limits is meaningful for guiding practical device fabrication. We propose archetype tunneling field effect transistors (TFETs) with negative capacitance (NC) and use the rigorous ab initio quantum transport simulation to explore the device performance limits of the TFETs based on monolayer (ML) GeSe and GeTe along with their NC counterparts. With the ferroelectric dielectric acting as a negative capacitance material, the device performances of both the ML GeSe and GeTe NCTFETs outperform their TFET counterparts, particularly for the on-state current (I-on). I-on of the optimal ML GeSe and GeTe TFETs fulfills the demands of the International Technology Roadmap for Semiconductors (ITRS 2015 version) for low power (LP) and high performance (HP) devices, at the "6/5" node range, while with the aid of 80 nm and 50 nm thickness of ferroelectric SrBi2Nb2O9, both their NC counterparts extend the fulfillments at the "4/3" node range.
机译:探索设备性能限制对于引导实用的设备制造是有意义的。 我们提出了具有负电容(NC)的原型隧道场效应晶体管(TFET),并使用严格的AB Initio量子传输仿真来探索基于单层(ML)GESE的TFET的器件性能限制,以及GetE与其NC对应物一起。 利用作为负电容材料的铁电介质,ML GESE和GetE NCTFET的装置性能优于其TFET对应物,特别是对于导通状态电流(I-ON)。 最佳ML GEES和Gete TFETS的I-ON符合半导体(ITRS 2015版)的国际技术路线图的需求,用于低功耗(LP)和高性能(HP)设备,在“6/5”节点范围内, 虽然借助于80nm和50nm厚度的铁电SRBI2NB2O9,但它们的NC对应部分都延长了“4/3”节点范围的实现。

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  • 来源
    《RSC Advances》 |2020年第27期|共8页
  • 作者单位

    North China Univ Technol Coll Mech &

    Mat Engn Beijing 100144 Peoples R China;

    North China Univ Technol Coll Mech &

    Mat Engn Beijing 100144 Peoples R China;

    North China Univ Technol Coll Mech &

    Mat Engn Beijing 100144 Peoples R China;

    North China Univ Technol Coll Mech &

    Mat Engn Beijing 100144 Peoples R China;

    North China Univ Technol Coll Mech &

    Mat Engn Beijing 100144 Peoples R China;

    North China Univ Technol Coll Mech &

    Mat Engn Beijing 100144 Peoples R China;

    Beijing Res Inst Automat Machinery Ind Beijing Peoples R China;

    Peking Univ State Key Lab Mesoscop Phys Beijing 100871 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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