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Portrait of Reine Wallenberg. Photo: Kennet Ruona

Reine Wallenberg

Professor, Coordinator Materials Science

Portrait of Reine Wallenberg. Photo: Kennet Ruona

Valence Band Splitting in Wurtzite InP Nanowires Observed by Photoluminescence and Photoluminescence Excitation Spectroscopy

Author

  • Gerben L. Tuin
  • Magnus Borgström
  • Johanna Trägårdh
  • Martin Ek
  • Reine Wallenberg
  • Lars Samuelson
  • Mats-Erik Pistol

Summary, in English

We have investigated individual bulk-like wires of wurtzite InP using photoluminescence, photoluminescence excitation spectroscopy and transmission electron microscopy. Using two different methods we find that the top of the valence band is split, as expected theoretically. This splitting of the valence band is peculiar to wurtzite InP and does not occur in zinc blende InP. We find the energy difference between the two bands to be 40 meV.

Department/s

  • Solid State Physics
  • Centre for Analysis and Synthesis
  • NanoLund

Publishing year

2011

Language

English

Pages

159-163

Publication/Series

Nano Reseach

Volume

4

Issue

2

Document type

Journal article

Publisher

Springer

Topic

  • Chemical Sciences
  • Condensed Matter Physics

Keywords

  • wurtzite InP
  • photoluminescence
  • excitation spectroscopy
  • valence band
  • structure

Status

Published

ISBN/ISSN/Other

  • ISSN: 1998-0124