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The possibility of spatially resolving the optical properties of atomically thin materials is especially appealing as they can be modulated at the micro- and nanoscale by reducing their thickness, changing the doping level or applying a…

介观与纳米尺度物理 · 物理学 2016-03-23 Andres Castellanos-Gomez , Jorge Quereda , Herko P. van der Meulen , Nicolás Agraït , Gabino Rubio-Bollinger

Molybdenum disulfide (MoS2) is a layered semiconductor which has become very important recently as an emerging electronic device material. Being an intrinsic semiconductor the two-dimensional MoS2 has major advantages as the channel…

介观与纳米尺度物理 · 物理学 2013-04-02 Ferdows Zahid , Lei Liu , Yu Zhu , Jian Wang , Hong Guo

The success of isolating small flakes of atomically thin layers through mechanical exfoliation has triggered enormous research interest in graphene and other two-dimensional materials. For device applications, however, controlled large-area…

材料科学 · 物理学 2014-07-17 Yingnan Liu , Rudresh Ghosh , Di Wu , Ariel Ismach , Rodney Ruoff , Keji Lai

A simple perfect absorption structure is proposed to achieve the high efficiency light absorption of monolayer molybdenum disulfide (MoS 2 ) by the critical coupling mechanism of guided resonances. The results of numerical simulation and…

光学 · 物理学 2018-09-11 Xiaoyun Jiang , Tao Wang , Shuyuan Xiao , Xicheng Yan , Le Cheng , Qingfang Zhong

Recently emerging large-area single-layer MoS2 grown by chemical vapor deposition has triggered great interest due to its exciting potential for applications in advanced electronic and optoelectronic devices. Unlike gapless graphene, MoS2…

Semiconducting monolayer of 2D material are able to concatenate multiple interesting properties into a single component. Here, by combining opto-mechanical and electronic measurements, we demonstrate the presence of a partial 2H-1T phase…

Monolayer transition metal dichalcogenides (e.g., MoS2) exhibit exceptionally large optical nonlinearities for high-order nonlinear light generation (NLG), yet their inherent atomic thickness fundamentally limits light-matter interactions…

Molybdenum disulfide (MoS$_2$) is a prototypical layered transition-metal dichalcogenide whose electrocatalytic performance is governed by a delicate balance between crystallinity, defect density, and electronic conductivity. Here we report…

Molybdenum disulfide (MoS$_2$) is a promising material for making two-dimensional crystals and flexible electronic and optoelectronic devices at the nanoscale. MoS$_2$ flakes can show high mobilities and have even been integrated in…

材料科学 · 物理学 2015-06-15 Mohamed Boukhicha , Matteo Calandra , Marie-Aude Measson , Ophelie Lancry , Abhay Shukla

Monolayer Molybdenum Disulfide (MoS2) with a direct band gap of 1.8 eV is a promising two-dimensional material with a potential to surpass graphene in next generation nanoelectronic applications. In this letter, we synthesize monolayer MoS2…

介观与纳米尺度物理 · 物理学 2013-06-18 Han Liu , Mengwei Si , Sina Najmaei , Adam T. Neal , Yuchen Du , Pulickel M. Ajayan , Jun Lou , Peide D. Ye

The metal-insulator transition (MIT) is one of the remarkable electrical transport properties of atomically thin molybdenum disulphide (MoS2). Although the theory of electron-electron interactions has been used in modeling the MIT phenomena…

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…

介观与纳米尺度物理 · 物理学 2015-09-03 Wei Cao , Jiahao Kang , Kaustav Banerjee

Molybdenum disulfide (MoS$_2$) is a promising candidate for 2D nanoelectronic devices, that shows a direct band-gap for monolayer structure. In this work we study the electronic structure of MoS$_2$ upon both compressive and tensile strains…

材料科学 · 物理学 2016-05-03 Miquel López-Suárez , Igor Neri , Riccardo Rurali

Two-dimensional (2D) semiconducting transition metal dichalcogenides such as MoS$_2$ have attracted extensive research interests for potential applications in optoelectronics, spintronics, photovoltaics, and catalysis. To harness the…

材料科学 · 物理学 2020-07-01 Anne Marie Z. Tan , Christoph Freysoldt , Richard G. Hennig

Electron irradiation-induced damage is often the limiting factor in imaging materials prone to ionization or electronic excitations due to inelastic electron scattering. Quantifying the related processes at the atomic scale has only become…

Single layers of transition metal dichalcogenides such as MoS$_2$ are direct bandgap semiconductors with optical and electronic properties distinct from multilayers due to strong vertical confinement. Despite the fundamental monolayer limit…

介观与纳米尺度物理 · 物理学 2017-09-14 Guohua Wei , Erik J. Lenferink , David A. Czaplewski , Nathaniel P. Stern

Molybdenum disulfide, MoS2, has recently gained considerable attention as a layered material where neighboring layers are only weakly interacting and can easily slide against each other. Therefore, mechanical exfoliation allows the…

材料科学 · 物理学 2016-06-10 Alejandro Molina-Sánchez , Kerstin Hummer , Ludger Wirtz

Two-dimensional Molybdenum Disulfide (MoS2) has shown promising prospects for the next generation electronics and optoelectronics devices. The monolayer MoS2 can be patterned into quasi-one-dimensional anisotropic MoS2 nanoribbons (MNRs),…

材料科学 · 物理学 2016-09-27 Jiang-Bin Wu , Huan Zhao , Yuanrui Li , Douglas Ohlberg , Wei Shi , Wei Wu , Han Wang , Ping-Heng Tan

We study the transport properties of deeply scaled monolayer MoS2 n-channel metal-oxide-semiconductor field effect transistors (MOSFETs) using full-band ballistic quantum transport simulations with an atomistic tight-binding Hamiltonian…

介观与纳米尺度物理 · 物理学 2013-11-27 Jiwon Chang , Leonard F. Register , Sanjay K. Banerjee

Two-dimensional (2D) materials have attracted wide-spread interest due to their unique and tunable properties. Their optoelectronic, mechanical, and thermal properties are greatly influenced by crystal defects, which are, in turn, used to…