Determination of the energy band gap of Bi2Se3 View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2017-12

AUTHORS

G. Martinez, B. A. Piot, M. Hakl, M. Potemski, Y. S. Hor, A. Materna, S. G. Strzelecka, A. Hruban, O. Caha, J. Novák, A. Dubroka, Č. Drašar, M. Orlita

ABSTRACT

Despite intensive investigations of Bi2Se3 in past few years, the size and nature of the bulk energy band gap of this well-known 3D topological insulator still remain unclear. Here we report on a combined magneto-transport, photoluminescence and infrared transmission study of Bi2Se3, which unambiguously shows that the energy band gap of this material is direct and reaches E g = (220 ± 5) meV at low temperatures. More... »

PAGES

6891

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/s41598-017-07211-x

DOI

http://dx.doi.org/10.1038/s41598-017-07211-x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1090931927

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/28761158


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