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Related papers: Electromechanics in MoS2 and WS2: nanotubes vs. mo…

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Two dimensional transition metal dichalcogenides (TMDC) have very interesting properties for optoelectronic devices. In this work we theoretically investigate and predict that superlattices comprised of MoS$_{2}$ and WSe$_{2}$ multilayers…

Materials Science · Physics 2013-10-29 Yong-Hong Zhao , Feng Yang , Jian Wang , Hong Guo , Wei Ji

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

This paper demonstrates the high-quality tunnel barrier characteristics and layer number controlled tunnel resistance of a transition metal dichalcogenide (TMD) measuring just a few monolayers in thickness. Investigation of vertical…

Transition metal dichalcogenides (TMDs) are layered semiconducting van der Waal crystals and promising materials for a wide range of electronic and optoelectronic devices. Realizing practical electrical and optoelectronic device…

Mesoscale and Nanoscale Physics · Physics 2019-08-05 Hao Lee , S. Deshmukh , Jing Wen , V. Z. Costa , J. S. Schuder , M. Sanchez , A. S. Ichimura , Eric Pop , Bin Wang , A. K. M. Newaz

Two-dimensional (2D) semiconducting transition metal dichalcogenides (TMDs) can withstand a large deformation without fracture or inelastic relaxation, making them attractive for application in novel strain-engineered and flexible…

Materials Science · Physics 2016-01-18 Junwen Li , Nikhil V. Medhekar , Vivek B. Shenoy

In the field of 2D materials, transition metal dichalcogenides (TMDs) are gaining attention for electronic applications. Our study delves into the H-phase monolayer VS$_2$ of the TMD family, analyzing its electronic structure and how strain…

Materials Science · Physics 2024-01-18 Oguzhan Orhan , Şener Özönder , Soner Ozgen

Transition metal dichalcogenides (TMDs) are a branch of two-dimensional materials which in addition to having an easy-to-exfoliate layered structure, also host semiconducting, metallic, superconducting, and topological properties in various…

Superconductivity · Physics 2023-01-25 Suvodeep Paul , Saswata Talukdar , Ravi Shankar Singh , Surajit Saha

The sensitive dependence of electronic and thermoelectric properties of MoS$_2$ on the applied strain opens up a variety of applications in the emerging area of straintronics. Using first principles based density functional theory…

Materials Science · Physics 2015-06-22 Swastibrata Bhattacharyya , Tribhuwan Pandey , Abhishek K. Singh

Low-dimensional (LD) transition metal dichalcogenides (TMDs) in the form of nanoflakes, which consist of one or several layers, are the subject of intensive fundamental and applied research. Due to the size-induced transition from a bulk to…

Geometrical confinement effect in exfoliated sheets of layered materials leads to significant evolution of energy dispersion with decreasing layer thickness. Molybdenum disulphide (MoS2) was recently found to exhibit indirect to direct gap…

Materials Science · Physics 2014-03-13 Weijie Zhao , Zohreh Ghorannevis , Leiqiang Chua , Minglin Toh , Christian Kloc , Ping-Heng Tan , Goki Eda

Two-dimensional (2D) transition metal nitrides (TMNs) are new members in the 2D materials family with a wide range of applications. Particularly, highly crystalline and large area thin films of TMNs are potentially promising for…

Materials Science · Physics 2019-10-07 Jun Cao , Tianshu Li , Hongze Gao , Yuxuan Lin , Xingzhi Wang , Haozhe Wang , Tomás Palacios , Xi Ling

Transition metal dichalcogenide (TMD) monolayers attract great attention due to their specific structural, electronic and mechanical properties. The formation of their lateral heterostructures allows a new degree of flexibility in…

Materials Science · Physics 2020-09-29 Sadegh Imani Yengejeh , William Wen , Yun Wang

Atomically thin two-dimensional semiconducting transition metal dichalcogenides (TMDs) can withstand large levels of strain before their irreversible damage occurs. This unique property offers a promising route for control of the optical…

The influence of an external electric field on single-layer transition-metal dichalcogenides TX2 with T = Mo, W and X = S, Se (MoWSeS) have been investigated by means of density-functional theory within two-dimensional periodic boundary…

Materials Science · Physics 2017-09-13 Nourdine Zibouche , Pier Philipsen , Thomas Heine , Agnieszka Kuc

Layered transition metal dichalcogenides (TMDs) offer many attractive features for next-generation low-dimensional device geometries. Due to the practical and fabrication challenges related to in situ methods, the atomistic dynamics that…

As silicon transistors scale toward future technology nodes, three-dimensional architectures -- including gate-all-around (GAA) nanoribbon and complementary field-effect transistors (CFETs) -- require channel widths in the tens 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

Monolayer transition metal dichalcogenides recently emerge as a new family of two-dimensional material potentially suitable for numerous applications in electronic and optoelectronic devices due to the presence of finite band gap. Many…

Materials Science · Physics 2014-01-21 Yongqing Cai , Zhaoqiang Bai , Hui Pan , Yuan Ping Feng , Boris I. Yakobson , Yong-Wei Zhang

Over the past years, transition metal dichalcogenides (TMDs) have attracted attention as potential building blocks for various electronic applications due to their atomically thin nature. An exciting development is the recent success in…