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Effects of crystal phase mixing on the electrical properties of InAs nanowires

In English

Författare

Summary, in English

We report a systematic study of the relationship between crystal quality and electrical properties of InAs nanowires grown by MOVPE and MBE, with crystal structure varying from wurtzite to zinc blende. We find that mixtures of these phases can exhibit up to 2 orders of magnitude higher resistivity than single-phase nanowires, with a temperature-activated transport mechanism. However, it is also found that defects in the form of stacking faults and twin planes do not significantly affect the resistivity. These findings are important for nanowire-based devices, where uncontrolled formation of particular polytype mixtures may lead to unacceptable device variability.

Publiceringsår

2011

Språk

Engelska

Sidor

2424-2429

Publikation/Tidskrift/Serie

Nano Letters

Volym

11

Issue

April 29, 2011

Dokumenttyp

Artikel i tidskrift

Förlag

The American Chemical Society (ACS)

Ämne

  • Nano Technology

Status

Published

Forskningsgrupp

  • Digital ASIC
  • Nano

ISBN/ISSN/Övrigt

  • ISSN: 1530-6992