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Determination of the wurtzite content and orientation distribution of nanowire ensembles

Published online by Cambridge University Press:  31 January 2011

Dominik Kriegner ,
Mario Keplinger ,
Julian Stangl ,
Aaron M. Andrews ,
Pavel Klang ,
Bernhard Mandl ,
Thomas Mårtensson ,
Magnus Borgstrom ,
Knut Deppert  and
Lars Samuelson
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Dominik Kriegner
Affiliation:
[email protected], University Linz, Institute of Semiconductor and Solid State Physics, Linz, Austria
Mario Keplinger
Affiliation:
[email protected], University Linz, Institute of Semiconductor and Solid State Physics, Linz, Upper Austria, Austria
Julian Stangl
Affiliation:
[email protected], University Linz, Institute of Semiconductor and Solid State Physics, Linz, Upper Austria, Austria
Aaron M. Andrews
Affiliation:
[email protected], Vienna University of Technology, Institute of Solid State Electronics, Vienna, Austria
Pavel Klang
Affiliation:
[email protected], Vienna University of Technology, Institute of Solid State Electronics, Vienna, Austria
Bernhard Mandl
Affiliation:
[email protected], University Linz, Institute of Semiconductor and Solid State Physics, Linz, Upper Austria, Austria
Thomas Mårtensson
Affiliation:
[email protected], Lund University, Solid State Physics, Lund, Sweden
Magnus Borgstrom
Affiliation:
[email protected], Lund University, Solid State Physics, Lund, Sweden
Knut Deppert
Affiliation:
[email protected], Lund University, Solid State Physics, Lund, Sweden
Lars Samuelson
Affiliation:
[email protected], Lund University, Solid State Physics, Lund, Sweden
Gottfried Strasser
Affiliation:
[email protected], Vienna University of Technology, Institute of Solid State Electronics, Vienna, Austria
Güenther Bauer
Affiliation:
[email protected]
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Abstract

We present x-ray diffraction based methods to quantitatively determine the wurtzite content of nanowire ensembles and to investigate the effect of twinning. An increased lattice constant in growth direction is found for all investigated InAs and InP nanowire samples. This increase is independent of the wurtzite content. Using x-ray pole figures we find that twinning is present in GaAs/Si branched nanowires, which leads to 60° rotations of the lattice.

Keywords

nanostructurex-ray diffraction (XRD)crystallographic structure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1206: Symposium M – Multifunction at the Nanoscale through Nanowires , 2009 , 1206-M11-39
Copyright
Copyright © Materials Research Society 2010

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References

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