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  • Wiesner, M.Uniwersytet im. Adama Mickiewicza w Poznaniu,Adam Mickiewicz University in Poznań (author)

The electron-phonon interaction at deep Bi 2 Te3-semiconductor interfaces from Brillouin light scattering

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • 2017-11-27
  • Springer Science and Business Media LLC,2017
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:5a1e0c73-014c-42e8-acd9-e9d4e9c5c0f2
  • https://doi.org/10.1038/s41598-017-16313-5DOI
  • https://research.chalmers.se/publication/253813URI
  • https://research.chalmers.se/publication/500842URI

Supplementary language notes

  • Language:English
  • Summary in:English

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

Notes

  • It is shown that the electron-phonon interaction at a conducting interface between a topological insulator thin film and a semiconductor substrate can be directly probed by means of high-resolution Brillouin light scattering (BLS). The observation of Kohn anomalies in the surface phonon dispersion curves of a 50 nm thick Bi2Te3 film on GaAs, besides demonstrating important electron-phonon coupling effects in the GHz frequency domain, shows that information on deep interface electrons can be obtained by tuning the penetration depth of optically-generated surface phonons so as to selectively probe the interface region, as in a sort of quantum sonar.

Subject headings and genre

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

  • Trzaskowska, A.Uniwersytet im. Adama Mickiewicza w Poznaniu,Adam Mickiewicz University in Poznań (author)
  • Mroz, B.Uniwersytet im. Adama Mickiewicza w Poznaniu,Adam Mickiewicz University in Poznań (author)
  • Charpentier, Sophie,1983Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)csophie (author)
  • Wang, S.Chinese Academy of Sciences (author)
  • Song, Yuxin,1981Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)yuxin (author)
  • Lombardi, Floriana,1967Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)lombardi (author)
  • Lucignano, P.Universita Degli Studi Di Napoli Federico Ii,University of Naples Federico II (author)
  • Benedek, G.Donostia International Physics Center (author)
  • Campi, D.Universita' degli Studi di Milano-Bicocca,University of Milano-Bicocca (author)
  • Bernasconi, M.Universita' degli Studi di Milano-Bicocca,University of Milano-Bicocca (author)
  • Guinea, FranciscoUniversity of Manchester,IMDEA Nanoscience Institute (author)
  • Tagliacozzo, A.Laboratori Nazionali di Frascati di INFN,Universita Degli Studi Di Napoli Federico Ii,University of Naples Federico II (author)
  • Uniwersytet im. Adama Mickiewicza w PoznaniuChalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Scientific Reports: Springer Science and Business Media LLC7:12045-23222045-2322

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