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Charge transport in MoS2 in the low carrier density regime is dominated by trap states and band edge disorder. The intrinsic transport properties of MoS2 emerge in the high density regime where conduction occurs via extended states. Here,…

Mesoscale and Nanoscale Physics · Physics 2014-12-08 Leiqiang Chu , Hennrik Schmidt , Jiang Pu , Shunfeng Wang , Barbaros Özyilmaz , Taishi Takenobu , Goki Eda

In recent years, the investigation of novel materials for various technological applications has gained much importance in materials science research. Tri-molybdenum phosphide (Mo3P), a promising transition metal phosphide (TMP), has…

Materials Science · Physics 2023-12-12 Md. Sohel Rana , Razu Ahmed , Md. Sajidul Islam , R. S. Islam , S. H. Naqib

We investigate electrical gating of photoluminescence and optical absorption in monolayer molybdenum disulfide (MoS$_2$) configured in field effect transistor geometry. We observe an hundredfold increase in photoluminescence intensity and…

Mesoscale and Nanoscale Physics · Physics 2012-11-19 A. K. M. Newaz , D. Prasai , J. I. Ziegler , D. Caudel , S. Robinson , R. F. Haglund , K. I. Bolotin

Ultra-thin MoS2 has recently emerged as a promising two-dimensional semiconductor for electronic and optoelectronic applications. Here, we report high mobility (>60 cm2/Vs at room temperature) field-effect transistors that employ…

Moir\'e materials with flat electronic bands provide a highly controllable quantum system for studies of strong-correlation physics and topology. In particular, angle-aligned heterobilayers of semiconducting transition metal dichalcogenides…

Strongly Correlated Electrons · Physics 2022-10-05 Yang Xu , Kaifei Kang , Kenji Watanabe , Takashi Taniguchi , Kin Fai Mak , Jie Shan

Moir\'e patterns are known to confine electronic states in transition metal dichalcogenide bilayers, thus generalizing the notion of magic angles discovered in twisted bilayer graphene to semiconductors. Here, we present a revised…

Mesoscale and Nanoscale Physics · Physics 2020-08-12 Somepalli Venkateswarlu , Andreas Honecker , Guy Trambly de Laissardière

Achieving tunability of two dimensional (2D) transition metal dichalcogenides (TMDs) functions calls for the introduction of hybrid 2D materials by means of localized interactions with zero dimensional (0D) materials. A metal-semiconductor…

Mesoscale and Nanoscale Physics · Physics 2014-06-25 Udai Bhanu , Muhammad R. Islam , Laurene Tetard , Saiful I. Khondaker

The discovery of graphene has put the spotlight on other layered materials including transition metal dichalcogenites (TMD) as building blocks for novel heterostructures assembled from stacked atomic layers. Molybdenum disulfide, MoS2, a…

Mesoscale and Nanoscale Physics · Physics 2014-09-19 Chih-Pin Lu , Guohong Li , Jinhai Mao , Li-Min Wang , Eva Y. Andrei

The concept of alloy engineering has emerged as a viable technique towards tuning the bandgap as well as engineering the defect levels in two-dimensional transition metal dichalcognides (TMDC). Possibility to synthesize these ultrathin TMDC…

Materials Science · Physics 2022-07-01 Shubhrasish Mukherjee , Didhiti Bhattacharya , Samit Kumar Ray , Atindra Nath Pal

The wide research interest for the potential nanoelectronics applications are attracted by the organic and inorganic monolayer materials. In this work, we have studied the organic monolayer such as trichloro…

Mesoscale and Nanoscale Physics · Physics 2014-09-24 J. Cyril Robinson Azariah , U. Satheesh , D. Devaprakasam

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

We simulate the electronic and transport properties of metal/two-dimensional material/metal vertical heterostructures, with a focus on graphene, hexagonal boron nitride and two phases of molybdenum diselenide. Using density functional…

Mesoscale and Nanoscale Physics · Physics 2025-02-06 Gaëlle Bigeard , Zineb Kerrami , François Triozon , Alessandro Cresti

We study how fermions in molybdenum disulfide MoS$_2$ interact with a laser field and a static potential barrier, focusing on the transmission probability. Our aim is to understand and control photon-assisted quantum transport in this…

Mesoscale and Nanoscale Physics · Physics 2026-01-09 Rachid El Aitouni , Aotmane En Naciri , Clarence Cortes , David Laroze , Ahmed Jellal

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

Transition-metal dichalcogenides (TMDs) are valuable as solid lubricants because of their layered structure, which allows for easy shearing along the basal planes. Using Density Functional Theory (DFT) we conducted a first-principles study…

Transition metal dichalcogenides have recently emerged as promising two-dimensional materials with intriguing electronic properties. Existing calculations of intrinsic phonon-limited electronic transport so far have concentrated on the…

Materials Science · Physics 2017-10-05 Nicki Frank Hinsche , Kristian Sommer Thygesen

We present a computational study on the impact of line defects on the electronic properties of monolayer MoS2. Four different kinds of line defects with Mo and S as the bridging atoms, consistent with recent theoretical and experimental…

Materials Science · Physics 2015-02-13 Amretashis Sengupta , Dipankar Saha , Thomas A. Niehaus , Santanu Mahapatra

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…

Thermal transport property of homogeneous twisted molybdenum disulfide (MoS$_2$) is investigated using non-equilibrium molecular dynamics simulations with the state-of-art force fields. The simulation results demonstrate that the…

Computational Physics · Physics 2023-10-16 Wenwu Jiang , Ting Liang , Jianbin Xu , Wengen Ouyang

Transition metal dichalcogenide MoS2 is a two-dimensional material, attracting much attention for next-generation applications thanks to rich functionalities stemmed from the crystal structure. Many experimental and theoretical works have…