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Knut Deppert

Knut Deppert

Professor

Knut Deppert

Transients in the Formation of Nanowire Heterostructures.

Author

  • Linus Fröberg
  • Brent Wacaser
  • Jakob Wagner
  • Sören Jeppesen
  • Jonas Ohlsson
  • Knut Deppert
  • Lars Samuelson

Summary, in English

We present results on the effect of seed particle reconfiguration on the growth of short InAs and InP nanowire segments. The reconfiguration originates in two different steady state alloy compositions of the Au/In seed particle during growth of InAs and InP. From compositional analysis of the seed particle, the In content in the seed particle is determined to be 34 and 44% during InAs and InP growth, respectively. When switching between growing InAs and InP, transient effects dominate during the time period of seed particle reconfiguration. We developed a model that quantitatively explains the effect and with the added understanding we are now able to grow short period (<10 nm) nanowire superlattices.

Department/s

  • Solid State Physics
  • Centre for Analysis and Synthesis

Publishing year

2008

Language

English

Pages

3815-3818

Publication/Series

Nano Letters

Volume

8

Issue

11

Document type

Journal article

Publisher

The American Chemical Society (ACS)

Topic

  • Nano Technology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1530-6992