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Molybdenum disulfide (MoS$_2$) is a high-potential material for nanoelectronic applications, especially when thinned to a few layers. Liquid phase exfoliation enables large-scale fabrication of thin films comprising single- and few-layer…

材料科学 · 物理学 2024-11-19 Alireza Ghasemifard , Agnieszka Kuc , Thomas Heine

Intensive research is carried out on two-dimensional materials, in particular molybdenum disulfide, towards high-performance transistors for integrated circuits. Fabricating transistors with ohmic contacts is challenging due to the high…

The proper design and synthesis of molecular junctions for the purpose of establishing percolative networks of conductive nanoparticles represent an opportunity to develop more efficient thermally-conductive nanocomposites, with several…

Interfacial interactions allow the electronic properties of graphene to be modified, as recently demonstrated by the appearance of satellite Dirac cones in the band structure of graphene on hexagonal boron nitride (hBN) substrates. Ongoing…

介观与纳米尺度物理 · 物理学 2015-10-28 Zhe Wang , Dong-Keun Ki , Hua Chen , Helmuth Berger , Allan H. MacDonald , Alberto F. Morpurgo

Graphene, Silicene, $\mathrm{MoS}_2$ and other similar two-dimensional structures have unusual electronic properties that lend themselves to exotic device applications. These properties emanate from the fact that the electrons are endowed…

介观与纳米尺度物理 · 物理学 2019-05-01 Sushanta Dattagupta , Manvendra Singh

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…

In low-dimensional systems, the combination of reduced dimensionality, strong interactions, and topology has led to a growing number of many-body quantum phenomena. Thermal transport, which is sensitive to all energy-carrying degrees of…

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…

材料科学 · 物理学 2015-04-14 Jin-Wu Jiang

Atomic vacancies, such as chalcogen vacancies in 2D TMDs, are important in changing the host material's electronic structure and transport properties. We present a straightforward one-step method for growing monolayer MoS2 utilizing…

介观与纳米尺度物理 · 物理学 2024-05-28 Sudipta Majumder , Vaibhav Walve , Rahul Chand , Gokul M. A. , Sooyeon Hwang , G. V. Pavan Kumar , Aparna Deshpande , Atikur Rahman

Interface chemistry and defect formation in MoS2 thin films grown on single crystal substrates critically determine the electronic structure of MoS2 and thus can strongly modify material functionality relevant for many applications,…

Graphene is a promising candidate for building fast and ultra-sensitive bolometric detectors due to its weak electron-phonon coupling and low heat capacity. In order to realize a practical graphene-based bolometer, several important issues,…

介观与纳米尺度物理 · 物理学 2014-02-25 Heli Vora , Bent Nielsen , Xu Du

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…

The success of isolating small flakes of atomically thin layers through mechanical exfoliation has triggered enormous research interest in graphene and other two-dimensional materials. For device applications, however, controlled large-area…

材料科学 · 物理学 2014-07-17 Yingnan Liu , Rudresh Ghosh , Di Wu , Ariel Ismach , Rodney Ruoff , Keji Lai

Recent theoretical works on two-dimensional molybdenum disulfide, MoS$_2$, with sulfur vacancies predict that the suppression of thermal transport in MoS$_2$ by point defects is more prominent in monolayers and becomes negligible as layer…

材料科学 · 物理学 2023-12-08 Ranjuna M K , Jayakumar Balakrishnan

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…

介观与纳米尺度物理 · 物理学 2015-06-19 Anand P. S. Gaur , Satyaprakash Sahoo , Majid Ahmadi , Saroj P Dash , Maxime J-F Guinel , Ram S. Katiyar

We review the current state of the art of graphene-enhanced thermal interface materials for the management of heat the next generation of electronics. Increased integration densities, speed, and power of electronic and optoelectronic…

Graphene-based vertical field effect transistors have attracted considerable attention in the light of realizing high-speed switching devices; however, the functionality of such devices has been limited by either their small ON-OFF current…

介观与纳米尺度物理 · 物理学 2015-06-22 Rai Moriya , Takehiro Yamaguchi , Yoshihisa Inoue , Sei Morikawa , Yohta Sata , Satoru Masubuchi , Tomoki Machida

Preceding the current interest in layered materials for electronic applications, research in the 1960's found that black phosphorus combines high carrier mobility with a fundamental band gap. We introduce its counterpart, dubbed few-layer…

介观与纳米尺度物理 · 物理学 2014-04-25 Han Liu , Adam T. Neal , Zhen Zhu , David Tomanek , Peide D. Ye

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…

材料科学 · 物理学 2017-04-17 B Mortazavi , A Ostadhossein , T Rabczuk , ACT van Duin

Phase transitions of two-dimensional materials and their heterostructures enable many applications including electrochemical energy storage, catalysis, and memory; however, the nucleation pathways by which these transitions proceed remain…