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Even if individual two-dimensional materials own various interesting and unexpected properties, the stacking of such layers leads to van der Waals solids which unite the characteristics of two dimensions with novel features originating from…

Mesoscale and Nanoscale Physics · Physics 2020-06-04 Thorsten Deilmann , Michael Rohlfing , Ursula Wurstbauer

The optical properties of transition metal dichalcogenide monolayers such as the two-dimensional semiconductors MoS$_2$ and WSe$_2$ are dominated by excitons, Coulomb bound electron-hole pairs. The light emission yield depends on whether…

Materials Science · Physics 2016-03-23 J. P. Echeverry , B. Urbaszek , T. Amand , X. Marie , I. C. Gerber

Monolayers of transition metal dichalcogenides (TMDCs) feature exceptional optical properties that are dominated by excitons, tightly bound electron-hole pairs. Forming van der Waals heterostructures by deterministically stacking individual…

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…

Monolayer two-dimensional transitional metal dichalcogenides, such as MoS2, WS2 and WSe2, are direct band gap semiconductors with large exciton binding energy. They attract growing attentions for opto-electronic applications including solar…

Mesoscale and Nanoscale Physics · Physics 2017-10-05 Shoujun Zheng , Jinkyu So , Fucai Liu , Zheng Liu , Nikolay Zheludev , Hong Jin Fan

Two-dimensional transition metal dichalcogenides (TMDCs) have recently become attractive semiconductor materials for several optoelectronic applications, such as photodetection, light harvesting, phototransistors, light-emitting diodes, and…

Optics · Physics 2018-07-04 Alex Krasnok , Sergey Lepeshov , Andrea Alú

Atomically thin materials such as graphene and monolayer transition metal dichalcogenides (TMDs) exhibit remarkable physical properties resulting from their reduced dimensionality and crystal symmetry. The family of semiconducting…

Two-dimensional (2D) materials are a new type of materials under intense study because of their interesting physical properties and wide range of potential applications from nanoelectronics to sensing and photonics. Monolayers of…

In semiconductor physics, many essential optoelectronic material parameters can be experimentally revealed via optical spectroscopy in sufficiently large magnetic fields. For monolayer transition-metal dichalcogenide semiconductors, this…

Mesoscale and Nanoscale Physics · Physics 2020-08-20 M. Goryca , J. Li , A. V. Stier , T. Taniguchi , K. Watanabe , E. Courtade , S. Shree , C. Robert , B. Urbaszek , X. Marie , S. A. Crooker

In the last decade atomically thin 2D materials have emerged as a perfect platform for studying and tuning light-matter interaction and electronic properties in nanostructures. The optoelectronic properties in layered materials such as…

Mesoscale and Nanoscale Physics · Physics 2024-10-07 Roberto Rosati , Ioannis Paradisanos , Ermin Malic , Bernhard Urbaszek

Atomic-scale control of light-matter interactions represent the ultimate frontier for many applications in photonics and quantum technology. Two-dimensional semiconductors, including transition metal dichalcogenides, are a promising…

Mesoscale and Nanoscale Physics · Physics 2024-08-22 John M. Woods , Saroj B. Chand , Enrique Mejia , Takashi Taniguchi , Kenji Watanabe , Johannes Flick , Gabriele Grosso

Two-dimensional group-VI transition metal dichalcogenide semiconductors, such as MoS2, WSe2 and others, exhibit strong light-matter coupling and possess direct band gaps in the infrared and visible spectral regimes, making them potentially…

Mesoscale and Nanoscale Physics · Physics 2020-03-03 Thomas Mueller , Ermin Malic

Exciton binding energies of hundreds of meV and strong light absorption in the optical frequency range make transition metal dichalcogenides (TMDs) promising for novel optoelectronic nanodevices. In particular, atomically thin TMDs can be…

Mesoscale and Nanoscale Physics · Physics 2018-04-24 Simon Ovesen , Samuel Brem , Christopher Linderälv , Mikael Kuisma , Paul Erhart , Malte Selig , Ermin Malic

Monolayer (ML) transition metal dichalcogenides (TMDs) integrated in optical microcavities host exciton-polaritons as a hallmark of the strong light-matter coupling regime. Analogous concepts for hybrid light-matter systems employing…

Van der Waals heterostructures composed of transition metal dichalcogenide monolayers (TMDs) are characterized by their truly rich excitonic properties which are determined by their structural, geometric and electronic properties: In…

Two-dimensional semiconducting transition metal dichalcogenides embedded in optical microcavities in the strong exciton-photon coupling regime may lead to promising applications in spin and valley addressable polaritonic logic gates and…

Because of their strong excitonic photoluminescence (PL) and electroluminescence (EL), together with an excellent electronic tunability, transition metal dichalcogenide (TMD) semiconductors are promising candidates for novel optoelectronic…

Mesoscale and Nanoscale Physics · Physics 2019-03-08 Lukas Dobusch , Simone Schuler , Vasili Perebeinos , Thomas Mueller

The investigation of 2D van der Waals (vdW) materials is a vibrant, fast moving and still growing interdisciplinary area of research. 2D vdW materials are truly 2D crystals with strong covalent in-plane bonds and weak van der Waals…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Ursula Wurstbauer , Bastian Miller , Eric Parzinger , Alexander W. Holleitner

Heterostructures of atomically thin van der Waals bonded monolayers have opened a unique platform to engineer Coulomb correlations, shaping excitonic, Mott insulating, or superconducting phases. In transition metal dichalcogenide…

We performed high-throughput density functional theory calculations of optical matrix elements between band edges across a diverse set of non-magnetic two-dimensional monolayers with direct band gaps. Materials were ranked as potential…

Materials Science · Physics 2025-08-15 A. F. Gómez-Bastidas , Karthik Sriram , A. C. Garcia-Castro , Oleg Rubel
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