Dresden 2020 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 29: Poster: 2D Materials and their Heterostructures

DS 29.6: Poster

Mittwoch, 18. März 2020, 15:00–18:00, P1A

Impact of disorder and imperfections on the optical properties of TMDCs — •Hendrik Lambers1, Julian Klein2, Margaux Lassaunière1, David O. Tiede1, Katharina Nisi2, Alexander Holleitner2, and Ursula Wurstbauer11Institute of Physics, University of Münster, Münster, Germany — 2Walter Schottky Institute and Physics Department, Technical University of Munich, Garching, Germany

Interfacial imperfections induced by substrate and environment are known to potentially reduce the electronic and optical properties of semiconducting transition metal dichalcogenides [1]. On the other hand, deterministically induced point defects induced by focused ion beams are promising candidates to serve as quantum emitters with well controlled energies that can be positioned with nm resolution [2]. Here, we investigate signature of disorder, imperfections and lattice defects one the properties of semiconducting 2D materials by a combination of scanning probe methods, optical and Raman spectroscopy.

[1] J. Klein et al. arXiv:1905.01242 (2019). [2] J. Klein et al. Nature Commun. 10, 10, 2755 (2019).

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