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Demonstration of Defect-Free and Composition Tunable Ga(x)In(1-x)Sb Nanowires.

In English

Författare

Summary, in English

The Ga(x)In(1-x)Sb ternary system has many interesting material properties, such as high carrier mobilities and a tunable range of bandgaps in the infrared. Here we present the first report on the growth and compositional control of Ga(x)In(1-x)Sb material grown in the form of nanowires from Au seeded nanoparticles by metalorganic vapor phase epitaxy. The composition of the grown Ga(x)In(1-x)Sb nanowires is precisely controlled by tuning the growth parameters where x varies from 1 to ∼0.3. Interestingly, the growth rate of the Ga(x)In(1-x)Sb nanowires increases with diameter, which we model based on the Gibbs-Thomson effect. Nanowire morphology can be tuned from high to very low aspect ratios, with perfect zinc blende crystal structure regardless of composition. Finally, electrical characterization on nanowire material with a composition of Ga(0.6)In(0.4)Sb showed clear p-type behavior.

Publiceringsår

2012

Språk

Engelska

Sidor

4914-4919

Publikation/Tidskrift/Serie

Nano Letters

Volym

12

Issue

9

Dokumenttyp

Artikel i tidskrift

Förlag

The American Chemical Society (ACS)

Ämne

  • Nano Technology

Nyckelord

  • nanowire
  • III-V semiconductor
  • antimonide
  • GaInSb
  • zinc blende
  • structure
  • MOSFET

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1530-6992