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Related papers: Junction-Less Monolayer MoS2 FETs

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Over the past few years, there has been a growing interest in layered transition metal dichalcogenides (TMD) such as molybdenum disulfide (MoS2). Most studies so far have focused on the electronic and optoelectronic properties of…

Mesoscale and Nanoscale Physics · Physics 2016-10-03 Morteza Kayyalha , Jesse Maassen , Mark Lundstrom , Li Shi , Yong P. Chen

Atomically thin semiconducting MoS2 is of great interest for high-performance flexible electronic and optoelectronic devices. Initial measurements using back-gated field-effect transistor (FET) structures on SiO2 yielded mobility of 1-50…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Michael S. Fuhrer , James Hone

We fabricate ion-gated field-effect transistors (iFET) on mechanically exfoliated multilayer MoS$_2$. We encapsulate the flake by Al$_2$O$_3$, leaving the device channel exposed at the edges only. A stable Li$^+$ intercalation in the…

Mesoscale and Nanoscale Physics · Physics 2018-10-29 Erik Piatti , Qihong Chen , Mauro Tortello , Jianting Ye , Renato S. Gonnelli

Molybdenum disulfide is considered as one of the most promising two-dimensional semiconductors for electronic and optoelectronic device applications. So far, the charge transport in monolayer molybdenum disulfide is dominated by extrinsic…

Studying the reason, why single-layer molybdenum disulfide (MoS$_2$) appears to fall short of its promising potential in flexible nanoelectronics, we found that the nature of contacts plays a more important role than the semiconductor…

Materials Science · Physics 2015-06-04 Igor Popov , Gotthard Seifert , David Tománek

We implemented radio frequency-assisted electrostatic force microscopy (RF-EFM) to investigate the electric field response of biaxially strained molybdenum disulfide (MoS2) monolayers (MLs) in the form of mesoscopic bubbles, produced via…

In this article, we investigate electrical transport properties in ultrathin body (UTB) MoS2 two-dimensional (2D) crystals with channel lengths ranging from 2 {\mu}m down to 50 nm. We compare the short channel behavior of sets of MOSFETs…

Materials Science · Physics 2013-03-05 Han Liu , Adam T. Neal , Peide D. Ye

Two-dimensional (2D) semiconductors have attracted tremendous interests as natural passivation and atomically thin channels that could facilitate continued transistor scaling. However, air-stable 2D semiconductors with high performance were…

Mesoscale and Nanoscale Physics · Physics 2021-11-29 Jun-Sheng Huang , Ping Li , Xiao-Xiong Ren , Zhi-Xin Guo

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

Ferroelectric field-effect transistors (FeFET) with two-dimensional (2D) semiconductor channels are promising low-power, embedded non-volatile memory (NVM) candidates for next-generation in-memory computing. However, the performance of…

Ballistic transport characteristics of metal-oxide semiconductor field effect transistors (MOSFETs) based on anisotropic two-dimensional (2-D) materials monolayer HfS2 and phosphorene are explored through quantum transport simulations. We…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Jiwon Chang

The high contact resistance between MoS$_2$ and metals hinders its potential as an ideal solution for overcoming the short channel effect in silicon-based FETs at sub-3nm scales. We theoretically designed a MoS$_2$-based transistor,…

Mesoscale and Nanoscale Physics · Physics 2024-12-25 Huan Wang , Xiaojie Liu , Hui Wang , Yin Wang , Haitao Yin

In this work, we demonstrate interfacial charge transfer-driven transport enhancement in few-layer graphene monolayer MoS2 vertical heterostructure field-effect transistor. Raman scattering and Raman intensity mapping results confirm the…

Monolayer molybdenum disulfide (MoS$_2$) nanosheets, obtained via chemical vapor deposition onto SiO$_2$/Si substrates, are exploited to fabricate field-effect transistors with n-type conduction, high on/off ratio, steep subthreshold slope…

Unlike Si, 2-dimensional (2D) Transition Metal Dichalcogenides (TMDs) offer atomically thin channels for carrier transport in FETs. Despite advantages like superior gate control, steep sub-threshold swing and high carrier mobility offered…

Applied Physics · Physics 2019-01-09 Ansh , Jeevesh Kumar , Ravi K Mishra , Srinivasan Raghavan , Mayank Shrivastava

Atomically thin two-dimensional (2D) semiconductors such as molybdenum disulphide (MoS2) hold great promise in electrical, optical, and mechanical devices and display novel physical phenomena such as coupled spin-valley physics and the…

The intrinsic spin-dependent transport properties of two types of lateral VS2|MoS2 heterojunctions are systematically investigated using first-principles calculations, and their various nanodevices with novel properties are designed. The…

We study molybdenum disulfide (MoS2) structures generated by folding single- and bilayer MoS2 flakes. We find that this modified layer stacking leads to a decrease in the interlayer coupling and an enhancement of the photoluminescence…

Mesoscale and Nanoscale Physics · Physics 2016-02-05 Andres Castellanos-Gomez , Herre S. J. van der Zant , Gary A. Steele

We present a computational study on the impact of line defects on the electronic properties of monolayer MoS2. Four different kinds of line defects with Mo and S as the bridging atoms, consistent with recent theoretical and experimental…

Materials Science · Physics 2015-02-13 Amretashis Sengupta , Dipankar Saha , Thomas A. Niehaus , Santanu Mahapatra

Two-dimensional (2D) semiconductors offer a promising prospect for high-performance and energy-efficient devices especially in the sub-10 nm regime. Inspired by the successful fabrication of 2D $\beta$-TeO$_2$ and the high on/off ratio and…

Mesoscale and Nanoscale Physics · Physics 2022-02-17 Shiying Guo , Hengze Qu , Wenhan Zhou , Shengyuan A. Yang , Yee Sin Ang , Jing Lu , Haibo Zeng , Shengli Zhang