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Combining single-layer two-dimensional semiconducting transition metal dichalcogenides (TMDs) with graphene layer in van der Waals heterostructures offers an intriguing means of controlling the electronic properties through these…

Two-dimensional Janus van der Waals (vdW) heterojunctions, referring to the junction containing at least one Janus material, are found to exhibit tuneable electronic structures, wide light adsorption spectra, controllable contact…

Materials Science · Physics 2020-09-29 Lin Ju , Mei Bie , Xiwei Zhang , Xiangming Chen , Liangzhi Kou

Stability and electronic properties of atomic layers of GaN are investigated in the framework of the van der Waals-density functional theory. We find that the ground state of the layered GaN is a planar graphene-like configuration rather…

Mesoscale and Nanoscale Physics · Physics 2013-02-22 Dongwei Xu , Haiying He , Ravindra Pandey , Shashi P. Karna

Magnetic van der Waals materials are an important building block to realize spintronic functionalities in heterostructures of two-dimensional (2D) materials. Yet, establishing their magnetic and electronic properties and the…

We predict a mechanism of spontaneous stabilization of a uniaxial density wave in a two-dimensional metal with an isotropic Fermi surface in the presence of external magnetic field. The topological transformation of a closed Fermi surface…

Mesoscale and Nanoscale Physics · Physics 2019-09-05 Anatoly M Kadigrobov , Danko Radić , Aleksa Bjeliš

The search for one-dimensional (1D) topologically-protected electronic states has become an important research goal for condensed matter physics owing to their potential use in spintronic devices or as a building block for topologically…

Mesoscale and Nanoscale Physics · Physics 2018-11-16 Chi Ming Yim , Christopher Trainer , Ana Maldonado , Bernd Braunecker , Alexander Yaresko , Darren C. Peets , Peter Wahl

Layered transition metal dichalcogenides have rich phase diagram and they feature two dimensionality on numerous physical properties. Co1/3NbS2 is one of the newest members of this family where Co atoms are intercalated into the Van der…

Transition metal dichalcogenides are rich in their structural phases, e.g. 1T-TaS2 and 1T-TaSe2 form charge density wave (CDW) under low temperature with interesting and exotic properties. Here, we present a systematic study of different…

Materials Science · Physics 2022-01-12 Tao Jiang , Tao Hu , Guodong Zhao , Yongchang Li , Shaowen Xu , Chao Liu , Yaning Cui , Wei Ren

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…

Intercalation of magnetic atoms into van der Waals materials provides a versatile platform for tailoring unconventional magnetic properties. However, its impact on electronic dimensionality and exchange mechanisms remains poorly understood.…

Two dimensional layered van der Waals (vdW) magnets have demonstrated their potential to study both fundamental and applied physics due to their remarkable electronic properties. However, the connection of vdW magnets to spintronics as well…

Mesoscale and Nanoscale Physics · Physics 2021-09-01 H. Y. Yuan , Akashdeep Kamra , Dion M. F. Hartmann , Rembert A. Duine

Controlling collective electronic phases in low-dimensional materials is a central challenge for developing technologies based on charge-density waves. Here, we report that perpendicular electric and magnetic fields can be used to tune…

We have examined the electronic structure evolution in transition metal dichalcogenides MX$_2$, where M=Mo,W and X=S,Se and Te. These are generally referred to as van der Waals heterostructures on the one hand, yet one has band gap changes…

Mesoscale and Nanoscale Physics · Physics 2024-02-02 S. K. Pandey , Ruma Das , Priya Mahadevan

The natural van der Waals heterostructure 4H$_b$-TaS$_2$ composed of alternating 1T- and 1H-TaS$_2$ layers serves as a platform for investigating the electronic correlations and layer-dependent properties of novel quantum materials. The…

Mesoscale and Nanoscale Physics · Physics 2025-10-07 R. Mathew Roy , X. Feng , M. Wenzel , V. Hasse , C. Shekhar , M. G. Vergniory , C. Felser , A. V. Pronin , M. Dressel

Semiconductor heterostructures form the cornerstone of many electronic and optoelectronic devices and are traditionally fabricated using epitaxial growth techniques. More recently, heterostructures have also been obtained by vertical…

Mesoscale and Nanoscale Physics · Physics 2014-07-29 Marco M. Furchi , Andreas Pospischil , Florian Libisch , Joachim Burgdörfer , Thomas Mueller

van der Waals stacking of two-dimensional (2D) materials offers a powerful platform for engineering material interfaces with tailored electronic and optical properties. While most van der Waals multilayers have featured inorganic…

The electronic structure of semiconducting 2D materials such as transition metal dichalcogenides (TMDs) is known to be tunable by its environment, from simple external fields applied with electrical contacts up to complex van der Waals…

When atomically thin van der Waals (vdW) magnet forms long-period moir\'e pattern with a magnetic substrate, the sensitive dependence of interlayer magnetic coupling on the atomic registries can lead to moir\'e defined magnetization…

Mesoscale and Nanoscale Physics · Physics 2020-10-23 Chengxin Xiao , Jianju Tang , Pei Zhao , Qingjun Tong , Wang Yao

Designing molecular organic semiconductors with distinct frontier orbitals is key for the development of devices with desirable properties. Generating defined organic nanostructures with atomic precision can be accomplished by on-surface…

Despite the weak nature of interlayer forces in transition metal dichalcogenide (TMD) materials, their properties are highly dependent on the number of layers in the few-layer two-dimensional (2D) limit. Here, we present a combined scanning…