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Regensburg 2019 – scientific programme

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O: Fachverband Oberflächenphysik

O 3: New Methods and Developments I: Scanning Probe Techniques

O 3.9: Talk

Monday, April 1, 2019, 12:30–12:45, H5

Combining high-resolution Atomic Force Microscopy with Scanning Tunneling Microscopy induced light emission on single molecules — •Katharina Kaiser, Fabian Schulz, and Leo Gross — IBM Research - Zurich, Saeumerstrasse 4, 8803 Rueschlikon

The field of STM induced light emission (STM-LE), especially on single molecules, has grown rapidly in the past 25 years [1, 2] with astounding spatial as well as energetic resolution [3, 4]. Yet, combining structural and optical information on single molecules remains challenging.

We present first results of a combined AFM and STM-LE setup on single vanadyl-phthalocyanine (VOPc) molecules. This setup so far allows for structure determination with atomic resolution by AFM with CO functionalized tips [5] and the possibility to perform controlled atom manipulation conjunct with the investigation of opto-electronic properties by STM-LE.

This work was financially supported by the European Research Council consolidator grant AMSEL.

[1] R. Berndt et al. (1993). Science, 262(5138), 1425-1427.

[2] X. Qiu et al. (2003). Science, 299(5606), 542-547.

[3] B. Doppagne et al. (2017). Phys. Rev. Lett., 118(12), 127401.

[4] A. Yu et al. (2018). Nano Lett., 18(5), 3076-3080.

[5] Gross et al. (2009). Science, 325(5944), 1110-1114.

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