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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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Publication history

Received: 23 August 2010
Revised: 14 October 2010
Accepted: 26 October 2010
Published: 01 February 2011
Issue date: February 2011

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© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2010

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Reprints and Permission requests may be sought directly from editorial office.
Email: nanores@tup.tsinghua.edu.cn

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