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Intense light-matter interactions and unique structural and electrical properties make Van der Waals heterostructures composed by Graphene (Gr) and monolayer transition metal dichalcogenides (TMD) promising building blocks for tunnelling…

The van der Waals coefficients and the separation dependent retardation functions of the interactions between the atomically thin films of the multi-layered transition metal molybdenum disulfide (MoS$_2$) dichalcogenides with the alkali…

材料科学 · 物理学 2020-08-12 Shankar Dutt , Sukhjit Singh , A. Mahajan , Bindiya Arora , B. K. Sahoo

Transition Metal Dichalcogenides (TMD) are layered materials obtained by stacking two-dimensional sheets weakly bonded by van der Waals interactions. In bulk TMD, band dispersions are observed in the direction normal to the sheet plane…

Understanding the mechanisms involved in chemical vapour deposition (CVD) synthesis of atomically thin transition metal dichalcogenides (TMDCs) requires the precise control of numerous growth parameters. All the proposed mechanisms and…

材料科学 · 物理学 2018-08-16 Hamid Reza Rasouli , Naveed Mehmood , Onur Çakıroğlu , T. Serkan Kasırga

Two dimensional (2D) transition metal dichalcogenide (TMDC) materials, such as MoS2, WS2, MoSe2, and WSe2, have received extensive attention in the past decade due to their extraordinary physical properties. The unique properties make them…

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…

介观与纳米尺度物理 · 物理学 2025-10-07 R. Mathew Roy , X. Feng , M. Wenzel , V. Hasse , C. Shekhar , M. G. Vergniory , C. Felser , A. V. Pronin , M. Dressel

Heterostructures of two-dimensional (2D) transition metal dichalcogenides (TMDs) and inorganic semiconducting zero-dimensional (0D) quantum dots (QDs) offer unique charge and energy transfer pathways which could form the basis of novel…

Monolayers of Transition Metal Dichalcogenides (TMDs) are atomically thin two-dimensional crystals with attractive optoelectronic properties, which are promising for emerging applications in nanophotonics. Here, we report on the…

材料科学 · 物理学 2016-06-27 I. Paradisanos , N. Pliatsikas , P. Patsalas , C. Fotakis , E. Kymakis , G. Kioseoglou , E. Stratakis

Compelling evidence suggests distinct correlated electron behavior may exist only in clean 2D materials such as 1T-TaS2. Unfortunately, experiment and theory suggest that extrinsic disorder in free standing 2D layers disrupts…

Nanotubes (NTs) of transition metal dichalcogenides (TMDs), such as MoS2 and WS2, were first synthesized more than a quarter of a century ago; nevertheless, many of their properties have so far remained basically unknown. This review…

材料科学 · 物理学 2019-07-24 T. V. Shubina , M. Remškar , V. Yu. Davydov , K. G. Belyaev , A. A. Toropov , B. Gil

Near-field optical microscopy can be used as a viable route to understand the nanoscale material properties below the diffraction limit. On the other hand, atomically thin two-dimensional (2D) transition metal dichalcogenides (TMDs) are the…

Due to their unique two-dimensional nature, charge carriers in semiconducting transition metal dichalcogenides (TMDs) exhibit strong unscreened Coulomb interactions and sensitivity to defects and impurities. The versatility of van der Waals…

Excitons dominate the optics of atomically-thin transition metal dichalcogenides and 2D van der Waals heterostructures. Interlayer 2D excitons, with an electron and a hole residing in different layers, form rapidly in heterostructures…

介观与纳米尺度物理 · 物理学 2021-04-20 M. G. Burdanova , M. Liu , M. Staniforth , Y. Zheng , R. Xiang , S. Chiashi , A. Anisimov , E. I. Kauppinen , S. Maruyama , J. Lloyd-Hughes

Dispersion interactions such as the van der Waals interaction between atoms or molecules derive from quantum fluctuations of the electromagnetic field and can be understood as the exchange of virtual photons between the interacting…

量子物理 · 物理学 2015-06-11 Harald R. Haakh , Stefan Scheel

Highly customizable interfaces created by van der Waals stacked 2D materials provide an extremely flexible opportunity for engineering and effectively controlling material properties. The atomic-thin nature and strong scalability of…

材料科学 · 物理学 2024-02-14 Xueqian Sun , Ermin Malic , Yuerui Lu

Two-dimensional transition metal dichalcogenides (TMDs) exhibit remarkable thermal anisotropy due to their strong intralayer covalent bonding and weak interlayer van der Waals (vdW) interactions. However, accurately modeling their thermal…

计算物理 · 物理学 2025-05-02 Wenwu Jiang , Hekai Bu , Ting Liang , Penghua Ying , Zheyong Fan , Jianbin Xu , Wengen Ouyang

The unique electrical and optical properties of emerging two-dimensional transition metal dichal-cogenides (TMDs) present compelling advantages over conventional semiconductors, including Si, Ge, and GaAs. Nevertheless, realising the full…

材料科学 · 物理学 2025-07-23 Yusuf Kerem Bostan , Elanur Hut , Cem Sanga , Nadire Nayir , Ayse Erol , Yue Wang , Fahrettin Sarcan

Van der Waals heterostructures built by vertically stacked transition metal dichalcogenides (TMDs) exhibit a rich energy landscape including interlayer and intervalley excitons. Recent experiments demonstrated an ultrafast charge transfer…

介观与纳米尺度物理 · 物理学 2022-09-09 Giuseppe Meneghini , Samuel Brem , Ermin Malic

The optical emission efficiency of two dimensional layered transition metal dichalcogenides (TMDs) is one of the most important parameter that affects their optoelectronic performance. Optimization of growth parameters of chemical vapor…

材料科学 · 物理学 2017-06-13 Amina Zafar , Haiyan Nan , Zainab Zafar , Zhangting Wu , Jie Jiang , Yumeng You , Zhenhua Ni

Van der Waals materials enable the construction of atomically sharp interfaces between compounds with distinct crystal and electronic properties. This is dramatically exploited in moir\'e systems, where a lattice mismatch or twist between…