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DPG

Berlin 2015 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 64: New Methods

O 64.3: Poster

Mittwoch, 18. März 2015, 18:15–21:00, Poster A

Setup for time-resolved STM-induced luminescence — •Michael Mohr and Richard Berndt — IEAP, Christian-Albrechts-Universität zu Kiel, D-24098 Kiel, Germany

Scanning tunneling microscopy (STM) can be used to induce light emission. The correlation between the arrival times of different STM-induced photons at a detector can be measured with time-correlated single photon counting (TCSPC). These correlation-measurements can provide information about the time scale of rapid processes in the tunnel-junction that influence the STM-induced light emission. These can be, e. g., charge fluctuations on molecules or the fluorescence of molecules themselves. We present a setup for such TCSPC-measurements with a resolution down to the sub-nanosecond range.

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DPG-Physik > DPG-Verhandlungen > 2015 > Berlin