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Related papers: Mechanical Properties of MoS2/Graphene Heterostruc…

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Graphene and MoS2 are two well-known quasi two-dimensional materials. This review is a comparative survey of the complementary lattice dynamical and mechanical properties of graphene and MoS2. This comparison facilitates the study of…

Materials Science · Physics 2015-04-14 Jin-Wu Jiang

Graphene/MoS2 heterostructures are formed by combining the nanosheets of graphene and monolayer MoS2. The electronic features of both constituent monolayers are rather well-preserved in the resultant heterostructure due to the weak van der…

Materials Science · Physics 2020-02-13 Sobhit Singh , Abdulrhman M. Alsharari , Sergio E. Ulloa , Aldo H. Romero

We fabricate freely suspended nanosheets of MoS2 which are characterized by quantitative optical microscopy and high resolution friction force microscopy. We study the elastic deformation of freely suspended nanosheets of MoS2 using an…

We directly measure the electronic structure of twisted graphene/MoS2 van der Waals heterostructures, in which both graphene and MoS2 are monolayers. We use cathode lens microscopy and microprobe angle-resolved photoemission spectroscopy…

Misfit strain is inevitable in various heterostructures like the graphene/MoS 2 van der Waals heterostructure. Although the misfit strain effect on electronic and other physical properties have been well studied, it is still unclear how…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 Ji-Dong He , Jin-Wu Jiang

Although very similar in many technological applications, graphene and MoS2 bear significant differences if exposed to humid environments. As an example, lubrication properties of graphene are reported to improve while those of MoS2 to…

Mesoscale and Nanoscale Physics · Physics 2016-07-20 Giacomo Levita , Paolo Restuccia , M. C. Righi

Van der Waals (vdW) homo-/hetero-structures are ideal systems for studying interfacial tribological properties such as structural superlubricity. Previous studies concentrated on the mechanism of translational motion in vdW interfaces.…

We derive, from an empirical interaction potential, an analytic formula for the elastic bending modulus of single-layer MoS2 (SLMoS2). By using this approach, we do not need to define or estimate a thickness value for SLMoS2, which is…

Materials Science · Physics 2013-10-03 Jin-Wu Jiang , Zenan Qi , Harold S. Park , Timon Rabczuk

One of the enduring challenges in graphene research and applications is the extreme sensitivity of its charge carriers to external perturbations, especially those introduced by the substrate. The best available substrates to date, graphite…

Mesoscale and Nanoscale Physics · Physics 2015-04-29 Chih-Pin Lu , Guohong Li , K. Watanabe , T. Taniguchi , Eva Y. Andrei

We study the free energy across a stratified media made by graphene (G) and/or molybdenum disulfide (MoS2). The flux depends not only on the number of G/MoS2 layers but also on the priority of graphene layer respect to MoS2 layer in the…

Mesoscale and Nanoscale Physics · Physics 2017-09-19 Hamidreza Simchi

The graphene/MoS2 heterojunction formed by joining the two components laterally in a single plane promises to exhibit a low-resistance contact according to the Schottky-Mott rule. Here we provide an atomic-scale description of the…

Materials Science · Physics 2017-04-11 Wei Chen , Yuan Yang , Zhenyu Zhang , Efthimios Kaxiras

Recent studies showed that the in-plane and inter-plane thermal conductivities of two-dimensional (2D) MoS2 are low, posing a significant challenge in heat management in MoS2-based electronic devices. To address this challenge, we design…

Materials Science · Physics 2017-03-29 Xiangjun Liu , Junfeng Gao , Gang Zhang , Yong-Wei Zhang

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

Graphene/MoS$_2$ van der Waals (vdW) heterostructures have promising technological applications due to their unique properties and functionalities. Many experimental and theoretical research groups across the globe have made outstanding…

Materials Science · Physics 2018-10-17 Sobhit Singh , Camilo Espejo , Aldo H. Romero

Graphene extraordinary strength, stiffness and lightness have generated great expectations towards its application in flexible electronics and as mechanical reinforcement agent. However, the presence of lattice defects, unavoidable in…

Van der Waals heterostructures are constructed by stacking different atomic layers and can inherit many novel electronic and optical properties from the constituting atomic layers. Mechanical stability is of key importance for the high…

Materials Science · Physics 2021-06-23 Zhang Run-Sen , Jiang Jin-Wu

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…

Materials Science · Physics 2016-06-10 Alejandro Molina-Sánchez , Kerstin Hummer , Ludger Wirtz

Layered materials such as graphite and transition metal dichalcogenides have extremely anisotropic mechanical properties owing to orders of magnitude difference between in-plane and out-of-plane interatomic interaction strengths. Although…

Materials Science · Physics 2017-11-10 Jae-Ung Lee , Sungjong Woo , Jaesung Park , Hee Chul Park , Young-Woo Son , Hyeonsik Cheong

We study molybdenum disulfide (MoS2) structures generated by folding single- and bilayer MoS2 flakes. We find that this modified layer stacking leads to a decrease in the interlayer coupling and an enhancement of the photoluminescence…

Mesoscale and Nanoscale Physics · Physics 2016-02-05 Andres Castellanos-Gomez , Herre S. J. van der Zant , Gary A. Steele

Combining the electronic properties of graphene and molybdenum disulphide (MoS$_2$) monolayers in two-dimensional (2D) ultrathin hybrid nanocomposites have been synthesized experimentally to create excellent electronic, electrochemical,…

Materials Science · Physics 2016-03-03 Wei Hu , Tian Wang , Jinlong Yang
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