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説明:

The design of magnetic topological states due to spin polarization in an extended π carbon system has great potential in spintronics application. Although magnetic zigzag edges in graphene nanoribbons (GNRs) have been investigated earlier, real-space observation and manipulation of spin polarization in a heteroatom substituted system remains challenging. Here, we investigate a zero-bias peak at a boron site embedded at the center of an armchair-type GNR on a AuSiX/Au(111) surface with a combination of low-temperature scanning tunneling microscopy/spectroscopy and density functional theory calculations. After the tip-induced removal of a Si atom connected to two adjacent boron atoms, a clear Kondo resonance peak appeared and was further split by an applied magnetic field of 12 T. This magnetic state can be relayed along the longitudinal axis of the GNR by sequential removal of Si atoms.

権利情報:

• In Copyright
  This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Nano, copyright © 2022 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsnano.2c04563

キーワード: spin polarization, boron, graphene nanoribbons

刊行年月日: 2022-07-26

出版者: American Chemical Society (ACS)

掲載誌:

• ACS Nano (ISSN: 1936086X) vol. 16 issue. 7 p. 11244-11250

研究助成金:

• Japan Society for the Promotion of Science 21F21058
• Japan Society for the Promotion of Science 21K18885
• Japan Society for the Promotion of Science 22H00285

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4349

公開URL: https://doi.org/10.1021/acsnano.2c04563

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更新時刻: 2024-01-16 09:44:59 +0900

MDRでの公開時刻: 2024-01-16 12:30:11 +0900