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Charge transport in a single molecule transistor probed by scanning tunneling microscopy

Charge transport in a single molecule transistor probed by scanning tunneling microscopy

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Prüfsumme: MD5:f1e1a06092ebd8e190bd2dd8a2bb1da6

BOUVRON, Samuel, Romain MAURAND, Alexander GRAF, Philipp ERLER, Luca GRAGNANIELLO, Maxim SKRIPNIK, Dirk WIEDMANN, Clara ENGESSER, Fabian PAULY, Mikhail FONIN, 2018. Charge transport in a single molecule transistor probed by scanning tunneling microscopy. In: Nanoscale. 10(3), pp. 1487-1493. ISSN 2040-3364. eISSN 2040-3372. Available under: doi: 10.1039/c7nr06860c

@article{Bouvron2018Charg-41100, title={Charge transport in a single molecule transistor probed by scanning tunneling microscopy}, year={2018}, doi={10.1039/c7nr06860c}, number={3}, volume={10}, issn={2040-3364}, journal={Nanoscale}, pages={1487--1493}, author={Bouvron, Samuel and Maurand, Romain and Graf, Alexander and Erler, Philipp and Gragnaniello, Luca and Skripnik, Maxim and Wiedmann, Dirk and Engesser, Clara and Pauly, Fabian and Fonin, Mikhail} }

Wiedmann, Dirk Erler, Philipp Fonin, Mikhail Engesser, Clara Wiedmann, Dirk terms-of-use We report on the scanning tunneling microscopy/spectroscopy (STM/STS) study of cobalt phthalocyanine (CoPc) molecules deposited onto a back-gated graphene device. We observe a clear gate voltage (V<sub>g</sub>) dependence of the energy position of the features originating from the molecular states. Based on the analysis of the energy shifts of the molecular features upon tuning V<sub>g</sub>, we are able to determine the nature of the electronic states that lead to a gapped differential conductance. Our measurements show that capacitive couplings of comparable strengths exist between the CoPc molecule and the STM tip as well as between CoPc and graphene, thus facilitating electronic transport involving only unoccupied molecular states for both tunneling bias polarities. These findings provide novel information on the interaction between graphene and organic molecules and are of importance for further studies, which envisage the realization of single molecule transistors with non-metallic electrodes. Skripnik, Maxim Skripnik, Maxim Fonin, Mikhail Graf, Alexander Bouvron, Samuel 2018-01-18T10:46:08Z Engesser, Clara Bouvron, Samuel Gragnaniello, Luca 2018-01-18T10:46:08Z Maurand, Romain eng Gragnaniello, Luca Pauly, Fabian Pauly, Fabian Charge transport in a single molecule transistor probed by scanning tunneling microscopy Maurand, Romain Graf, Alexander 2018 Erler, Philipp

Dateiabrufe seit 18.01.2018 (Informationen über die Zugriffsstatistik)

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