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Related papers: Defect-Moderated Oxidative Etching of MoS2

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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

We report piezoelectric response in liquid phase exfoliated MoS2 nanosheets with desired structure and morphology. The piezoelectric effect in liquid phase exfoliated few layers of MoS2 flakes is interesting as it may allow the scalable…

Materials Science · Physics 2023-06-07 Jyoti Shakya , Gayathri H N , Arindam Ghosh

The phonon band structure of monolayer MoS2 is characteristic for a large energy gap between acoustic and optical branches, which protects the vibration of acoustic modes from being scattered by optical phonon modes. Therefore, the phonon…

Materials Science · Physics 2014-08-05 Jin-Wu Jiang

We have synthesized MoS$_{2}$ incorporated $\alpha$-Fe$_{2}$O$_{3}$/ZnO nanocomposites by the hydrothermal process. The effect of incorporating ultrasonically exfoliated MoS$_{2}$ on the photocatalytic performance of…

Applied Physics · Physics 2021-11-16 Angkita Mistry Tama , Subrata Das , Sagar Dutta , M. D. I. Bhuyan , M. N. Islam , M. A. Basith

Dielectric metasurfaces that combine high-index materials with optical nonlinearities are widely recognized for their potential in various quantum and classical nanophotonic applications. However, the fabrication of high-quality…

We study the effect of electric stress, gas pressure and gas type on the hysteresis in the transfer characteristics of monolayer molybdenum disulfide (MoS2) field effect transistors. The presence of defects and point vacancies in the MoS2…

Precise tunability of electronic properties of 2D nanomaterials is a key goal of current research in this field of materials science. Chemical modification of layered transition metal dichalcogenides leads to the creation of…

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…

MoS2 are facile, stable, non-toxic, affordable materials with reasonable price, and have exhibit its superior potential in catalysis, sensing, opt electrochemical, environmental relate application1, etc. Modification of MoS2 materials has…

Materials Science · Physics 2020-12-03 Yang Cao

Semiconductor heterostructures provide a powerful platform for the engineering of excitons. Here we report the excitonic properties of two-dimensional (2D) heterostructures that consist of monolayer MoS2 and WS2 stacked epitaxially or…

The integration of high-k dielectrics with two-dimensional (2D) semiconductors is a critical step towards high-performance nanoelectronics, which however remains challenging due to high density of interface states and the damage to the…

The possibility of spatially resolving the optical properties of atomically thin materials is especially appealing as they can be modulated at the micro- and nanoscale by reducing their thickness, changing the doping level or applying a…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Andres Castellanos-Gomez , Jorge Quereda , Herko P. van der Meulen , Nicolás Agraït , Gabino Rubio-Bollinger

A uniformly coated MoS2/Carbon-nanocomposite with three-dimensional hierarchical architecture based on carbonized bacterial cellulose (CBC) nanofibers is synthesized by a facile one-step hydrothermal method followed by thermal annealing at…

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

Semiconducting 2D materials, such as transition metal dichalcogenides (TMDs), are emerging in nanomechanics, optoelectronics, and thermal transport. In each of these fields, perfect control over 2D material properties including strain,…

Materials can, in principle, be imaged at the level of individual atoms with aberration corrected transmission electron microscopy. However, such resolution can be attained only with very high electron doses. Consequently, radiation damage…

Materials Science · Physics 2015-06-17 Gerardo Algara-Siller , Simon Kurasch , Mona Sedighi , Ossi Lehtinen , Ute Kaiser

Moir\'e superlattices in twisted two-dimensional materials have generated tremendous excitement as a platform for achieving quantum properties on demand. However, the moir\'e pattern is highly sensitive to the interlayer atomic registry,…

We demonstrated selective gas sensing with MoS2 thin-film transistors using the change in the channel conductance, characteristic transient time and low-frequency current fluctuations as the sensing parameters. The back-gated MoS2 thin-film…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 R. Samnakay , C. Jiang , S. L. Rumyantsev , M. S. Shur , A. A. Balandin

We demonstrate the tunability of the photoluminescence (PL) properties of monolayer (1L)-MoS2 via chemical doping. The PL intensity of 1L-MoS2 was drastically enhanced by the adsorption of p-type dopants with high electron affinity, but…

Materials Science · Physics 2015-06-16 Shinichiro Mouri , Yuhei Miyauchi , Kazunari Matsuda

Due to the distinguished properties offered by different structural phases of monolayer MoS2, phase engineering design are urgently required for achieving switchable structural phase. Strain engineering is widely accepted as a clean and…

Materials Science · Physics 2017-03-14 Bin Ouyang , Shiyun Xiong , Zhi Yang , Yuhang Jing , Yongjie Wang
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