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Sub-1-nm gate length $MoS_2$ transistors have been experimentally fabricated, but their device performance limit remains elusive. Herein, we explore the performance limits of the sub-1-nm gate length monolayer (ML) $MoS_2$ transistors…

Computational Physics · Physics 2024-04-23 Ying Li , Yang Shen , Linqiang Xu , Shiqi Liu , Yang Chen , Qiuhui Li , Zongmeng Yang , Xiaotian Sun , He Tian , Jing Lu

Owing to its outstanding electronic properties, black phosphorus (BP) is considered as a promising material for next-generation optoelectronic devices. In this work, devices based on BP/MXene (Zrn+1CnT2, T = O, F, OH, n = 1, 2) van der…

Materials Science · Physics 2018-02-13 Hao Yuan , Zhenyu Li

Using the first-principles calculations based on density functional theory, we systematically investigate the strain-engineering (tensile and compressive strain) electronic, mechanical and transport properties of monolayer penta-SiC$_2$. By…

Materials Science · Physics 2017-01-16 Yuanfeng Xu , Zeyu Ning , Hao Zhang , Gang Ni , Hezhu Shao , Bo Peng , Xiangchao Zhang , Xiaoying He , Yongyuan Zhu , Heyuan Zhu

In this study, InSb nanowires have been formed by electrodeposition and integrated into NW-FETs. NWs were formed in porous anodic alumina (PAA) templates, with the PAA pore diameter of approximately 100 nm defining the NW diameter.…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Suprem R. Das , Collin J. Delker , Dmitri Zakharov , Yong P. Chen , Timothy D. Sands , David B. Janes

A heterojunction tunneling field effect transistor based on armchair graphene nanoribbons is proposed and studied using ballistic quantum transport simulation based on 3D real space nonequilibrium Green's function formalism. By using low…

Mesoscale and Nanoscale Physics · Physics 2013-12-13 Fei Liu , Xiaoyan Liu , Jinfeng Kang , Yi Wang

We study theoretically the structural and electronic response of layered bulk black phosphorus to in-layer strain. Ab initio density functional theory (DFT) calculations reveal that the strain energy and interlayer spacing display a strong…

Materials Science · Physics 2016-10-04 Jie Guan , Wenshen Song , Li Yang , David Tomanek

We describe a robust technique for the fabrication of high performance vertically scaled n-doped field-effect transistors from large band gap carbon nanotubes. These devices have a tunable threshold voltage in the technologically relevant…

Materials Science · Physics 2009-11-10 M. Radosavljevic , J. Appenzeller , Ph. Avouris , J. Knoch

Gate-all-around (GAA) nanowire (NW) field-effect transistor (FET) is a promising device architecture due to its superior gate controllability than that of the conventional FinFET architecture. The significantly higher electron mobility of…

Materials Science · Physics 2023-10-18 Linqiang Xu , Lianqiang Xu , Qiuhui Li , Shibo Fang , Ying Li , Ying Guo , Aili Wang , Ruge Quhe , Yee Sin Ang , Jing Lu

Despite the widespread use of solution-processable hybrid organic-inorganic perovskites in photovoltaic and light-emitting applications, determination of their intrinsic charge transport parameters has been elusive due to the variability of…

Materials Science · Physics 2019-06-26 Xin Yu Chin , Daniele Cortecchia , Jun Yin , Annalisa Bruno , Cesare Soci

Few-layer black phosphorus (BP), as the most alluring graphene analogue owing to its similar structure as graphene and thickness dependent direct band-gap, has now triggered a new wave of research on two-dimensional (2D) materials based…

We show that black phosphorus has room-temperature charge mobilities on the order of 10$^4$ cm$^2$V$^{-1}$s$^{-1}$, which are about one order of magnitude larger than silicon. We also demonstrate strong anisotropic transport in black…

Materials Science · Physics 2015-03-31 Jiaqi He , Dawei He , Yongsheng Wang , Qiannan Cui , Matthew Z. Bellus , Hsin-Ying Chiu , Hui Zhao

Black phosphorus (BP) has recently attracted significant interest due to its unique electronic and optical properties. Doping is an effective strategy to tune a material's electronic structures, however, the direct and controllable growth…

Materials Science · Physics 2020-07-21 Mingqiang Liu , Simin Feng , Yi Hou , Shilong Zhao , Lei Tang , Jiaman Liu , Feng Wang , Bilu Liu

We report on the electronic transport properties of black phosphorus and analyze them using a two-carrier model in a wide range of pressure up to 2.5 GPa. In semiconducting state at 0.29 GPa, the remarkable non-linear behavior in the Hall…

Strongly Correlated Electrons · Physics 2017-03-16 Kazuto Akiba , Atsushi Miyake , Yuichi Akahama , Kazuyuki Matsubayashi , Yoshiya Uwatoko , Masashi Tokunaga

Few-layer black phosphorus, a new elemental 2D material recently isolated by mechanical exfoliation, is a high-mobility layered semiconductor with a direct bandgap that is predicted to strongly depend on the number of layers, from 0.35 eV…

Power dissipation has become a major obstacle in performance scaling of modern integrated circuits, and has spurred the search for devices operating at lower voltage swing. In this letter, we study p-i-n band-to-band tunneling field effect…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Siyuranga O. Koswatta , Mark S. Lundstrom , Dmitri E. Nikonov

The attraction between electrons and holes in semiconductors forms excitons, which largely determine the optical properties of the hosting material, and hence the device performance, especially for low-dimensional systems. Mono- and…

Mesoscale and Nanoscale Physics · Physics 2018-03-20 Guowei Zhang , Andrey Chaves , Shenyang Huang , Fanjie Wang , Qiaoxia Xing , Tony Low , Hugen Yan

Carbon Nanotube (CNT) is one of the most significant materials for the development of faster and improved performance of nano-scaled transistors. This paper aims at analyzing a trade-off between device performance and device size of CNT…

Applied Physics · Physics 2018-11-20 Imtiaj Khan , Ovishek Morshed , Sharif Mohammad Mominuzzaman

The continuous down-scaling of transistors has been the key to the successful development of current information technology. However, with Moore's law reaching its limits, the development of alternative transistor architectures is urgently…

Lead-halide perovskites emerged as novel semiconducting materials suitable for a variety of optoelectronic applications. However, fabrication of reliable perovskite field-effect transistors (FETs), the devices necessary for the fundamental…

Materials Science · Physics 2021-12-28 V. Bruevich , L. Kasaei , S. Rangan , H. Hijazi , Z. Zhang , T. Emge , E. Andrei , R. A. Bartynski , L. C. Feldman , V. Podzorov

Field-effect transistors based on band-to-band tunneling (BTBT) have gained a lot of recent interest due to their potential for reducing power dissipation in integrated circuits. In this paper we present a detailed performance comparison…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Siyuranga O. Koswatta , Mark S. Lundstrom , Dmitri E. Nikonov