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

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Abstract

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.

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Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Chemical Sciences
  • Condensed Matter Physics

Keywords

  • wurtzite InP, photoluminescence, excitation spectroscopy, valence band, structure
Original languageEnglish
Pages (from-to)159-163
JournalNano Reseach
Volume4
Issue number2
Publication statusPublished - 2011
Publication categoryResearch
Peer-reviewedYes

Bibliographic note

The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Solid State Physics (011013006), Polymer and Materials Chemistry (LTH) (011001041)

DOI