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Monolayer Molybdenum disulfide (MoS2), a two-dimensional crystal with a direct bandgap, is a promising candidate for 2D nanoelectronic devices complementing graphene. There have been recent attempts to produce MoS2 layers via chemical and…

Materials Science · Physics 2011-11-23 Yongjie Zhan , Zheng Liu , Sina Najmaei , Pulickel M. Ajayan , Jun Lou

Semiconducting 2D crystals are currently receiving significant attention due to their great potential to be an ultra-thin body for efficient electrostatic modulation which enables to overcome the limitations of silicon technology. Here we…

Mesoscale and Nanoscale Physics · Physics 2015-04-15 Hua-Min Li , Daeyeong Lee , Deshun Qu , Xiaochi Liu , Jungjin Ryu , Alan Seabaugh , Won Jong Yoo

2D MoS2 attracts increasing attention for its application in flexible electronics and photonic devices. For 2D material optoelectronic devices, light absorption of the molecularly thin 2D absorber would be one of the key limiting factors in…

Mesoscale and Nanoscale Physics · Physics 2023-01-04 Xiaoxue Gao , Sidan Fu , Tao Fang , Xiaobai Yu , Haozhe Wang , Qingqing Ji , Jing Kong , Xiaoxin Wang , Jifeng Liu

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…

Copper nanowires are widely used as on-chip interconnects due to superior conductivity. However, with aggressive Cu interconnect scaling, the diffusive surface scattering of electrons drastically increases the electrical resistivity. In…

Layered molecular materials and especially MoS2 are already accepted as promising candidates for nanoelectronics. In contrast to the bulk material, the observed electron mobility in single-layer MoS2 is unexpectedly low. Here we reveal the…

Materials Science · Physics 2013-05-30 Andrey N. Enyashin , Maya Bar-Sadan , Lothar Houben , Gotthard Seifert

Monolithic realization of metallic 1T and semiconducting 2H polymorphic phases makes MoS2 a potential candidate for future microelectronic circuits. Though co-existence of these phases has been reported, a method for engineering a stable 1T…

Mesoscale and Nanoscale Physics · Physics 2018-08-22 Chithra H. Sharma , Ananthu P. Surendran , Abin Varghese , Madhu Thalakulam*

We fabricate paper-supported semiconducting devices by rubbing a layered molybdenum disulfide (MoS2) crystal onto a piece of paper, similarly to the action of drawing/writing with a pencil on paper. We show that the abrasion between the…

Two-dimensional (2D) transition metal dichalcogenides (TMDs) such as molybdenum disulfide (MoS2) have been intensively investigated because of their exclusive physical properties for advanced electronics and optoelectronics. In the present…

In the modern electronics overheating is one of the major reasons for device failure. Overheating causes irreversible damage to circuit components and can also lead to fire, explosions, and injuries. Accordingly, in the advent of 2D…

The two-dimensional (2D) layered semiconductors such as MoS2 have attracted tremendous interest as a new class of electronic materials. However, there is considerable challenge in making reliable contacts to these atomically thin materials.…

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

We detect electroluminescence in single layer molybdenum disulphide (MoS2) field-effect transistors built on transparent glass substrates. By comparing absorption, photoluminescence, and electroluminescence of the same MoS2 layer, we find…

Mesoscale and Nanoscale Physics · Physics 2017-07-26 R. S. Sundaram , M. Engel , A. Lombardo , R. Krupke , A. C. Ferrari , Ph. Avouris , M. Steiner

Monolayer MoS$_2$ is a direct band gap semiconductor with potential applications in optoelectronics and photonics. MoS$_2$ also has a large optical nonlinearity. However, the atomic thickness of the monolayer limits the strength of the…

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 discovery of graphene has put the spotlight on other layered materials including transition metal dichalcogenites (TMD) as building blocks for novel heterostructures assembled from stacked atomic layers. Molybdenum disulfide, MoS2, a…

Mesoscale and Nanoscale Physics · Physics 2014-09-19 Chih-Pin Lu , Guohong Li , Jinhai Mao , Li-Min Wang , Eva Y. Andrei

Developing novel techniques for depositing transition metal dichalcogenides is crucial for the industrial adoption of 2D materials in optoelectronics. In this work, the lateral growth of molybdenum disulfide (MoS2) over an insulating…

Establishing ohmic contact to van der Waals semiconductors such as MoS2 is crucial to unlocking their full potential in next-generation electronic devices. Encapsulation of few layer MoS2 with hBN preserves the material's electronic…

Mesoscale and Nanoscale Physics · Physics 2021-04-12 A. Seredinski , E. G. Arnault , V. Z. Costa , L. Zhao , T. F. Q. Larson , K. Watanabe , T. Taniguchi , F. Amet , A. K. M. Newaz , G. Finkelstein

Molybdenum disulfide has recently emerged as a promising two-dimensional semiconducting material for nano-electronic, opto-electronic and spintronic applications. However, demonstrating spin-transport through a semiconducting MoS2 channel…

Two-dimensional semiconductors such as MoS2 are an emerging material family with wide-ranging potential applications in electronics, optoelectronics and energy harvesting. Large-area growth methods are needed to open the way to the…