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Enhanced Sb incorporation in InAsSb nanowires grown by metalorganic vapor phase epitaxy

In English

Författare

Summary, in English

We demonstrate metalorganic vapor phase epitaxy of InAs1-xSbx nanowires (x=0.08-0.77) for applications in high-speed electronics and long-wavelength optical devices. The composition of the InAsSb nanowires and InAsSb epilayers on the same sample is independently determined using lab-setup high resolution x-ray diffraction, by making use of the size-dependent in-plane broadening of the nanowire Bragg peak. We find that the incorporation of Sb into the nanowires is significantly higher than for planar epitaxy under the same growth conditions. Thermodynamic calculations indicate that this is due to a dramatically decreased effective V/III ratio at the particle/nanowire interface. (C) 2011 American Institute of Physics. (C) [doi: 10.1063/1.3566980]

Publiceringsår

2011

Språk

Engelska

Publikation/Tidskrift/Serie

Applied Physics Letters

Volym

98

Issue

11

Dokumenttyp

Artikel i tidskrift

Förlag

American Institute of Physics (AIP)

Ämne

  • Condensed Matter Physics
  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Forskningsgrupp

  • Nano

ISBN/ISSN/Övrigt

  • ISSN: 0003-6951