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Related papers: Large-area Epitaxial Monolayer MoS2

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The new generation of two-dimensional (2D) materials has shown a broad range of applications for optical and electronic devices. Understanding the properties of these materials when integrated with the more traditional three-dimensional…

Sub-10 nm continuous metal films are promising candidates for flexible and transparent nanophotonics and optoelectronics applications. In this Letter, we demonstrate that monolayer MoS2 is a perspective adhesion layer for the deposition of…

Two-dimensional (2D) layered transition metal dichalcogenides (TMDs) have emerged as promising materials for electronic, optoelectronic, and valleytronic applications. Recent work suggests drastic changes of the band gap and exciton binding…

Mesoscale and Nanoscale Physics · Physics 2017-08-02 Eric Parzinger , Martin Hetzl , Ursula Wurstbauer , Alexander W. Holleitner

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…

Mesoscale and Nanoscale Physics · Physics 2017-09-14 Guohua Wei , Erik J. Lenferink , David A. Czaplewski , Nathaniel P. Stern

In semiconductor physics, many essential optoelectronic material parameters can be experimentally revealed via optical spectroscopy in sufficiently large magnetic fields. For monolayer transition-metal dichalcogenide semiconductors, this…

Mesoscale and Nanoscale Physics · Physics 2020-08-20 M. Goryca , J. Li , A. V. Stier , T. Taniguchi , K. Watanabe , E. Courtade , S. Shree , C. Robert , B. Urbaszek , X. Marie , S. A. Crooker

Magnetic two-dimensional (2D) semiconductors have attracted a lot of attention because modern preparation techniques are capable of providing single crystal films of these materials with precise control of thickness down to the single-layer…

Two-dimensional (2D) transition metal dichalcogenides (TMDs), especially MoS2 and WS2 recently attract extensive attentions due to their rich physics and great potential applications. Superior to graphene, MS2 (M = Mo/W) monolayers have a…

Materials Science · Physics 2013-12-06 Chunxiao Cong , Jingzhi Shang , Xing Wu , Bingchen Cao , Namphung Peimyoo , Caiyu Qiu , Litao Sun , Ting Yu

On-chip integration of 2D materials provides a promising route towards next-generation integrated optical devices with performance beyond existing limits. Here, significantly enhanced spectral broadening induced by self-phase modulation…

Layer transfer offers enormous potential for the industrial implementation of 2D material technology platforms. However, the transfer method used must retain as-grown uniformity and cleanliness in the transferred films for the fabrication…

Applied Physics · Physics 2022-04-05 Madan Sharma , Aditya Singh , Pallavi Aggarwal , Rajendra Singh

The electronic properties of ultrathin crystals of molybdenum disulfide consisting of N = 1, 2, ... 6 S-Mo-S monolayers have been investigated by optical spectroscopy. Through characterization by absorption, photoluminescence, and…

Materials Science · Physics 2015-05-18 Kin Fai Mak , Changgu Lee , James Hone , Jie Shan , Tony F. Heinz

Developing techniques for high-quality synthesis of mono and few-layered 2D materials with lowered complexity and cost continues to remain an important goal, both for accelerating fundamental research and for applications development. We…

Materials Science · Physics 2020-10-27 Davoud Hejazi , Renda Tan , Neda Kari Rezapour , Mehrnaz Mojtabavi , Meni Wanunu , Swastik Kar

MoS2 monolayers exhibit excellent light absorption and large thermoelectric power, which are, however, accompanied with very strong exciton binding energy - resulting in complex photoresponse characteristics. We study the electrical…

Mesoscale and Nanoscale Physics · Physics 2016-07-05 Sangeeth Kallatt , Govindarao Umesh , Navakanta Bhat , Kausik Majumdar

Layered metal dichalcogenide materials are a family of semiconductors with a wide range of energy band gaps and properties, and potential to open up new areas of physics and technology applications. However, obtaining high crystal quality…

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…

Optics · Physics 2018-09-11 Xiaoyun Jiang , Tao Wang , Shuyuan Xiao , Xicheng Yan , Le Cheng , Qingfang Zhong

Synthesis of monolayer MoS2 is essential for fulfilling the potential of MoS2 in catalysis, optoelectronics and valleytronics, etc. Herein, we report for the first time the scalable growth of high quality, domain size tunable (edge length…

Atomically thin transition metal dichalcogenides are highly promising for integrated optoelectronic and photonic systems due to their exciton-driven linear and nonlinear interaction with light. Integrating them into optical fibers yields…

Transition metal dichalcogenides (TMDCs), together with other two-dimensional (2D) materials have attracted great interest due to the unique optical and electrical properties of atomically thin layers. In order to fulfill their potential,…

Two-dimensional materials such as graphene and transition metal dichalcogenides (TMDs) are ideal candidates to create ultra-thin electronics suitable for flexible substrates. Although optoelectronic devices based on TMDs have demonstrated…

Mesoscale and Nanoscale Physics · Physics 2018-03-15 Peize Han , Luke St. Marie , Qing X. Wang , Nicholas Quirk , Abdel El Fatimy , Masahiro Ishigami , Paola Barbara

Ultrathin sheets of MoS2 are a newly discovered 2D semiconductor that holds great promise for nanoelectronics. Understanding the pattern of current flow will be crucial for developing devices. In this talk, we present images of current flow…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Sagar Bhandari , Ke Wang , Kenji Watanabe , Takashi Taniguchi , Philip Kim , Robert M. Westervelt

Two dimensional material/semiconductor heterostructures offer alternative platforms for optoelectronic devices other than conventional Schottky and p-n junction devices. Herein, we use MoS2/GaAs heterojunction as a self-driven photodetector…

Instrumentation and Detectors · Physics 2021-03-02 Zhijuan Xu , Shisheng Lin , Xiaoqiang Li , Shengjiao Zhang , Zhiqian Wu , Wenli Xu , Yanghua Lu , Sen Xu