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Advancing complementary metal-oxide-semiconductor (CMOS) technology into the sub-1-nm angstr\"om-scale technology nodes is expected to involve alternative semiconductor channel materials, as silicon transistors encounter severe performance…

Two-dimensional (2D) materials are among the most promising candidates for next-generation electronics due to their atomic thinness, allowing for flexible transparent electronics and ultimate length scaling. Thus far, atomically-thin p-n…

The low-energy band structure of few-layer MoS$_2$ is relevant for a large variety of experiments ranging from optics to electronic transport. Its characterization remains challenging due to complex multi band behavior. We investigate the…

Mesoscale and Nanoscale Physics · Physics 2021-04-30 M. Masseroni , T. Davatz , R. Pisoni , F. K. de Vries , P. Rickhaus , T. Taniguchi , K. Watanabe , V. Fal'ko , T. Ihn , K. Ensslin

Low-dimensional materials such as layered semiconductors or carbon nanotubes (CNTs) have been attracting increasing attention in the last decades due to their inherent scaling properties, which become fundamental to sustain the scaling in…

Mesoscale and Nanoscale Physics · Physics 2019-04-23 Marta Perucchini , Enrique G. Marin , Damiano Marian , Giuseppe Iannaccone , Gianluca Fiori

Two-dimensional (2D) semiconducting transition metal dichalcogenides (TMDs) are good candidates for high-performance flexible electronics. However, most demonstrations of such flexible field-effect transistors (FETs) to date have been on…

Paper is the ideal substrate for the development of flexible and environmentally sustainable ubiquitous electronic systems, which, combined with two-dimensional materials, could be exploited in many Internet-of-Things applications, ranging…

This paper introduces monolayer molybdenum disulfide (MoS2) based junction-less (JL) field-effect transistor (FET) and evaluates its performance at the smallest foreseeable (5.9 nm) transistor channel length as per the International…

Mesoscale and Nanoscale Physics · Physics 2015-09-03 Wei Cao , Jiahao Kang , Kaustav Banerjee

Two-dimensional (2D) materials are a new class of materials with interesting physical properties and applications ranging from nanoelectronics to sensing and photonics. In addition to graphene, the most studied 2D material, monolayers of…

Materials Science · Physics 2022-04-12 Lianhua Zhang , Jian Chen , Fei Liu , Zhengyang Du , Yilun Jiang , Min Han

A widely used technique to mitigate the gate leakage in the ultra-scaled metal oxide semiconductor field effect transistors (MOSFETs) is the use of high-k dielectrics, which provide the same equivalent oxide thickness (EOT) as $\rm SiO_2$,…

Mesoscale and Nanoscale Physics · Physics 2016-08-30 Mehdi Salmani-Jelodar , Hesameddin Ilatikhameneh , SungGeun Kim , Kwok Ng , Gerhard Klimeck

The coexistence of semiconducting (2H) and metallic (1T) phases of MoS$_{2}$ monolayers have further pushed their strong potential for applications in the next generation of electronic devices based on the two-dimensional lateral…

Computational Physics · Physics 2021-12-01 Mohammad Bahmani , Mahdi Ghorbani-Asl , Thomas Frauenheim

Monolayer WSe2 is a two dimensional (2D) semiconductor with a direct bandgap, and it has been recently explored as a promising material for electronics and optoelectronics. Low field effect mobility is the main constraint preventing WSe2…

Materials Science · Physics 2016-05-02 Bilu Liu , Yuqiang Ma , Anyi Zhang , Liang Chen , Ahmad N. Abbas , Yihang Liu , Chenfei Shen , Haochuan Wan , Chongwu Zhou

We fabricated ambipolar field-effect transistors (FETs) from multi-layered triclinic ReSe2, mechanically exfoliated onto a SiO2 layer grown on p-doped Si. In contrast to previous reports on thin layers (~2 to 3 layers), we extract…

The two-dimensional layer of molybdenum disulfide (MoS2) has recently attracted much interest due to its direct-gap property and potential applications in optoelectronics and energy harvesting. However, the synthetic approach to obtain high…

Two-dimensional semiconductors are structurally ideal channel materials for the ultimate atomic electronics after silicon era. A long-standing puzzle is the low carrier mobility ({\mu}) in them as compared with corresponding bulk…

Atomically thin two-dimensional (2D) materials are promising candidates for sub-10 nm transistor channels due to their ultrathin body thickness, which results in strong electrostatic gate control. Properly scaling a transistor technology…

We report field-effect transistors (FETs) with single-crystal molybdenum disulfide (MoS2) channels synthesized by chemical vapor deposition (CVD). For a bilayer MoS2 FET, the mobility is ~17 cm2V-1s-1 and the on/off current ratio is ~108,…

Materials Science · Physics 2015-06-15 Wei Wu , Debtanu De , Su-Chi Chang , Yanan Wang , Haibing Peng , Jiming Bao , Shin-Shem Pei

The understanding of various types of disorders in atomically thin transition metal dichalcogenides (TMDs), including dangling bonds at the edges, chalcogen deficiencies in the bulk, and charges in the substrate, is of fundamental…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 Di Wu , Xiao Li , Lan Luan , Xiaoyu Wu , Wei Li , Maruthi N. Yogeesh , Rudresh Ghosh , Zhaodong Chu , Deji Akinwande , Qian Niu , Keji Lai

We have used a simple, analytically solvable model to analyze the characteristic s of dual-gate metal-oxide-semiconductor field-effect transistors (MOSFETs) with 10-nm-scale channel length L. The model assumes ballistic dynamics of 2D…

Condensed Matter · Physics 2009-10-30 F. G. Pikus , K. K. Likharev

We study the channel width scaling of back-gated MoS2 metal-oxide-semiconductor field-effect transistors (MOSFETs) from 2 {\mu}m down to 60 nm. We reveal that the channel conductance scales linearly with channel width, indicating no evident…

Mesoscale and Nanoscale Physics · Physics 2012-09-13 Han Liu , Jiangjiang Gu , Peide Ye

Two-dimensional transition metal dichalcogenide (2D-TMD) monolayers, which reveal remarkable semiconductor properties, are the subject of active experimental research.Recently it has been shown experimentally that quantum yield in MoS2 and…

Materials Science · Physics 2020-01-29 Maksym V. Strikha , Anatolii I. Kurchak , Anna N. Morozovska