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  • Papawassiliou, WassiliosStockholms universitet,Institutionen för material- och miljökemi (MMK) (author)

Resolving Dirac electrons with broadband high-resolution NMR

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-03-09
  • Springer Science and Business Media LLC,2020
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-185668
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-185668URI
  • https://doi.org/10.1038/s41467-020-14838-4DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Detecting the metallic Dirac electronic states on the surface of Topological Insulators (TIs) is critical for the study of important surface quantum properties (SQPs), such as Majorana zero modes, where simultaneous probing of the bulk and edge electron states is required. However, there is a particular shortage of experimental methods, showing at atomic resolution how Dirac electrons extend and interact with the bulk interior of nanoscaled TI systems. Herein, by applying advanced broadband solid-state 125Te nuclear magnetic resonance (NMR) methods on Bi2Te3 nanoplatelets, we succeeded in uncovering the hitherto invisible NMR signals with magnetic shielding that is influenced by the Dirac electrons, and we subsequently showed how the Dirac electrons spread inside the nanoplatelets. In this way, the spin and orbital magnetic susceptibilities induced by the bulk and edge electron states were simultaneously measured at atomic scale resolution, providing a pertinent experimental approach in the study of SQPs.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Jaworski, AleksanderStockholms universitet,Institutionen för material- och miljökemi (MMK)(Swepub:su)ajawo (author)
  • Pell, Andrew J.Stockholms universitet,Institutionen för material- och miljökemi (MMK)(Swepub:su)apell (author)
  • Jang, Jae Hyuck (author)
  • Kim, Yeonho (author)
  • Lee, Sang-Chul (author)
  • Kim, Hae Jin (author)
  • Alwahedi, Yasser (author)
  • Alhassan, Saeed (author)
  • Subrati, Ahmed (author)
  • Fardis, Michael (author)
  • Karagianni, Marina (author)
  • Panopoulos, Nikolaos (author)
  • Dolinšek, Janez (author)
  • Papavassiliou, Georgios (author)
  • Stockholms universitetInstitutionen för material- och miljökemi (MMK) (creator_code:org_t)

Related titles

  • In:Nature Communications: Springer Science and Business Media LLC112041-1723

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