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Molybdenum disulfide (MoS2) is a highly attractive 2D material due to its interesting electronic properties. Recent experimental advances confirm the possibility of further tuning the electronic properties of MoS2 through the fabrication of…

Materials Science · Physics 2017-04-17 B Mortazavi , A Ostadhossein , T Rabczuk , ACT van Duin

Nanomaterials based on MoS2 are remarkably versatile; MoS2 nanoparticles are proven catalysts for processes such as hydrodesulphurization and the hydrogen evolution reaction, and transition metal dichalcogenides in general have recently…

Materials Science · Physics 2018-05-04 Albert Bruix , Jeppe Vang Lauritsen , Bjørk Hammer

We report on a modified transfer technique for atomically thin materials integrated onto microelectromechanical systems (MEMS) for studying strain physics and creating strain-based devices. Our method tolerates the non-planar structures and…

The crystal structure of MoS$_2$ with strong covalent bonds in plane and weak Van der Waals interactions out of plane gives rise to interesting properties for applications such as solid lubrication, optoelectronics, and catalysis, which can…

Materials Science · Physics 2021-07-28 Rijan Karkee , Enrique Guerrero , David A. Strubbe

Applications like high density information storage, neuromorphic computing, nanophotonics, etc. require ultra-thin electronic devices which can be controlled with applied electric field. Of late, atomically thin two-dimensional (2D)…

Benefited from the advantages on environmental benign, easy purification, and high thermal stability, the recently synthesized two-dimensional (2D) material MoN2 shows great potential for clean and renewable energy applications. Here,…

Materials Science · Physics 2017-02-03 Xiaoming Zhang , Zhiming Yu , Shan-Shan Wang , Shan Guan , Hui Ying Yang , Yugui Yao , Shengyuan A. Yang

Self-assembled topological structures of post-processed two-dimensional materials exhibit novel physical properties distinct from those of their parent materials. Herein, the critical role of desulphurization on self-assembled topological…

Materials Science · Physics 2021-01-08 Pinqiang Cao , Jianyang Wu

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…

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

Molybdenum disulfide (MoS2) of single and few-layer thickness was exfoliated on SiO2/Si substrate and characterized by Raman spectroscopy. The number of S-Mo-S layers of the samples was independently determined by contact-mode atomic-force…

Materials Science · Physics 2010-11-16 Changgu Lee , Hugen Yan , Louis E. Brus , Tony F. Heinz , James Hone , Sunmin Ryu

Transition metal dichalcogenides are 2D structures with remarkable electronic, chemical, optical and mechanical properties. Monolayer and crystal properties of these structures have been extensively investigated, but a detailed…

Mesoscale and Nanoscale Physics · Physics 2018-01-18 Y. M. Jaques , P. Manimunda , Y. Nakanishi , S. Susarla , C. F. Woellner , S. Bhowmick , S. A. S. Asif , D. S. Galvão , C. S. Tiwary , P. M. Ajayan

We report on fabrication of large-scale arrays of suspended molybdenum disulfide (MoS2) atomic layers, as two-dimensional (2D) MoS2 nanomechanical resonators. We employ a water-assisted lift-off process to release chemical vapor deposited…

Mesoscale and Nanoscale Physics · Physics 2016-07-15 Hao Jia , Rui Yang , Ariana E. Nguyen , Sahar N. Alvillar , Thomas Empante , Ludwig Bartels , Philip X. -L. Feng

The two-dimensional layer of molybdenum disulfide (MoS2) has recently attracted much interest due to its direct-gap property and potential applications in optoelectronics and energy harvesting. However, the synthetic approach to obtain high…

Two-dimensional (2D) compounds provide unique building blocks for novel layered devices and hybrid photonic structures. However, large surface-to-volume ratio in thin films enhances the significance of surface interactions and charging…

Two-dimensional (2D) transition metal dichalcogenides (TMDs) are prospective materials for quantum devices owing to their inherent 2D confinements. They also provide a platform to realize even lower-dimensional in-plane electron…

Mesoscale and Nanoscale Physics · Physics 2019-12-19 Ziqian Wang , Ruichun Luo , Isaac Johnson , Hamzeh Kashani , Mingwei Chen

The application of two-dimensional (2D) semiconductors, such as monolayer MoS2, is limited by the high contact resistance commonly attributed to interfacial barriers at metal contacts. Furthermore, the dependence of electrical conductivity…

The intercalation-induced phase transition of MoS2 from the semiconducting 2H to the semimetallic 1T' phase has been studied in detail for nearly a decade; however, the effects of a heterointerface between MoS2 and other two-dimensional…

MoS2 is one of the important members of transition metal dichalogenides which is emerging as a potential 2D atomically thin layered material for low power electronic and opto-electronic applications. However, for MoS2 a critical fundamental…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Anand P. S. Gaur , Satyaprakash Sahoo , Majid Ahmadi , Saroj P Dash , Maxime J-F Guinel , Ram S. Katiyar

Two-dimensional (2D) nanomaterials derived from non-van der Waals solids are promising due to their fantastic physical and chemical properties, but it remains challenging to obtain 2D atomic laminates with high stability owing to the strong…

Materials Science · Physics 2023-02-16 Zhiguo Du , Zongju Cheng , Qi Zhao , Haiyang Wang , Qi Zhu , Hao Chen , Xiao Chen , Bin Li , Shubin Yang

In this letter we report on the synthesis of monolayers of MoS$_2$ via chemical vapor deposition directly on thin films of Al$_2$O$_3$ grown by spatial atomic layer deposition. The synthesized monolayers are characterized by atomic force…