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Broadband optical p...
Broadband optical properties of monolayer and bulk MoS 2
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- Ermolaev, Georgy A. (författare)
- Moscow Institute of Physics and Technology,Skolkovo Institute of Science and Technology
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- Stebunov, Yury V. (författare)
- Moscow Institute of Physics and Technology
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- Vyshnevyy, Andrey A. (författare)
- Moscow Institute of Physics and Technology
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- Tatarkin, Dmitry E. (författare)
- Moscow Institute of Physics and Technology
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- Yakubovsky, Dmitry I. (författare)
- Moscow Institute of Physics and Technology
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- Novikov, Sergey M. (författare)
- Moscow Institute of Physics and Technology
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- Baranov, Denis, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Shegai, Timur, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nikitin, Alexey Y. (författare)
- Donostia International Physics Center,Basque Foundation for Science (Ikerbasque),Moscow Institute of Physics and Technology
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- Arsenin, Aleksey V. (författare)
- Moscow Institute of Physics and Technology
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- Volkov, Valentyn S. (författare)
- Moscow Institute of Physics and Technology
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(creator_code:org_t)
- 2020-07-10
- 2020
- Engelska.
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Ingår i: npj 2D Materials and Applications. - : Springer Science and Business Media LLC. - 2397-7132. ; 4:1
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://www.nature.c...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Layered semiconductors such as transition metal dichalcogenides (TMDs) offer endless possibilities for designing modern photonic and optoelectronic components. However, their optical engineering is still a challenging task owing to multiple obstacles, including the absence of a rapid, contactless, and the reliable method to obtain their dielectric function as well as to evaluate in situ the changes in optical constants and exciton binding energies. Here, we present an advanced approach based on ellipsometry measurements for retrieval of dielectric functions and the excitonic properties of both monolayer and bulk TMDs. Using this method, we conduct a detailed study of monolayer MoS2 and its bulk crystal in the broad spectral range (290–3300 nm). In the near- and mid-infrared ranges, both configurations appear to have no optical absorption and possess an extremely high dielectric permittivity making them favorable for lossless subwavelength photonics. In addition, the proposed approach opens a possibility to observe a previously unreported peak in the dielectric function of monolayer MoS2 induced by the use of perylene-3,4,9,10-tetracarboxylic acid tetrapotassium salt (PTAS) seeding promoters for MoS2 synthesis and thus enables its applications in chemical and biological sensing. Therefore, this technique as a whole offers a state-of-the-art metrological tool for next-generation TMD-based devices.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Ermolaev, Georgy ...
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Stebunov, Yury V ...
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Vyshnevyy, Andre ...
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Tatarkin, Dmitry ...
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Yakubovsky, Dmit ...
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Novikov, Sergey ...
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visa fler...
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Baranov, Denis, ...
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Shegai, Timur, 1 ...
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Nikitin, Alexey ...
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Arsenin, Aleksey ...
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Volkov, Valentyn ...
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Atom och molekyl ...
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Annan fysik
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Den kondenserade ...
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npj 2D Materials ...
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Chalmers tekniska högskola