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Regensburg 2022 – scientific programme

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DS: Fachverband Dünne Schichten

DS 7: 2D Materials 2 (joint session HL/CPP/DS)

DS 7.1: Talk

Monday, September 5, 2022, 15:00–15:15, H36

On-demand light emission from helium ion induced defects in atomically thin WS2 — •Nina Pettinger, Ana Micevic, Alexander Hötger, Christoph Kastl, and Alexander Holleitner — TU Munich, Germany

Optically active defects created with a helium ion microscope (HIM) propose the possibility for structuring and tailoring quantum emitters on an atomistic scale [1]. We introduce the generation of positioned defects in encapsulated monolayer WS2 with a HIM. The HIM induced defects exhibit sharp photoluminescence emission in the energy range of 1.55 to 1.79 eV.

[1] J. Klein and L. Sigl et al., ACS Photonics 8, 669 (2021).

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