Regensburg 2022 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 55: Poster Wednesday: Organic Molecules at Surfaces 2
O 55.11: Poster
Mittwoch, 7. September 2022, 18:00–20:00, P4
New Photon Scanning Tunnelling Microscope for studying electrically driven single photon emitters in the GHz range — •Andreas Reutter1,2, Mike Stummvoll1,2, Neda Noei1, Markus Etzkorn1,2, and Uta Schlickum1,2 — 1Institut für Angewandte Physik, Technische Universität Braunschweig, Mendelssohntraße 2, 38106 Braunschweig — 2Laboratory for Emerging Nanometrology, Langer Kamp 6a/b, 38106 Braunschweig
Single atoms and molecules have always been an interesting research area. An important tool for investigating such is scanning tunnelling microscopy (STM) which has become a widely used method to characterize not only the surface density states and vibrational excitations but also electrical excitations and recombination processes of individual atoms and molecules by STM-induced luminescence (STML).
We would like to present a state-of-the-art, self-build, low-temperature, ultra-high vacuum STM with the possibility for STML measurements and for the time-resolved probing of electrically driven single photon emitters with a band width of up to around 20 GHz. This allows for instance the investigation of charge transfer in molecules below the nanosecond range and further insight into its exciton decay.