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説明:

We have accomplished the control of electronic properties of individual molecules by integrating a FET with a STM, thus enabling isolated molecules on a graphene surface to be electrostatically gated and spectroscopically interrogated. Using this technique we demonstrate gate-controlled switching of the charge state of individual tetrafluoro-tetracyanoquinodimethane (F4TCNQ) molecules at the surface of a graphene FET. We observe a non-rigid shift in the F4TCNQ lowest unoccupied molecular orbital (LUMO) energy relative to the Dirac point as a function of gate voltage. This can be explained by gate-tunable graphene polarization effects that renormalize the molecular quasiparticle energies.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Single-molecule devices, graphene, scanning tunneling microscope

刊行年月日: 2016-11-25

出版者: Springer Science and Business Media LLC

掲載誌:

• Nature Communications (ISSN: 20411723) vol. 7 issue. 1 13553

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1038/ncomms13553

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更新時刻: 2025-02-27 08:30:36 +0900

MDRでの公開時刻: 2025-02-27 08:30:36 +0900