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Fabrication, optical characterization and modeling of strained core-shell nanowires

In English

Författare

Summary, in English

Strained nanowires with varying InAs/InP core/shell thicknesses were grown using Chemical Beam Epitaxy. Microphotoluminescence spectroscopy, performed at low temperature, was then used to study the optical properties of single wires. Emission from the InAs core was observed and its dependence on the shell thickness/core diameter ratio was investigated. We found that it is possible to tune the emission energy towards 0.8 eV by controlling this ratio. We have compared the measured energies with calculated energies. Our findings are consistent with the wires having a hexagonal crystal structure. (c) 2005 Elsevier B.V. All rights reserved.

Publiceringsår

2006

Språk

Engelska

Sidor

793-796

Publikation/Tidskrift/Serie

Proceedings of the Eighth International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures and the Thirteenth International Congress on Thin Films - ACSIN-8/ICTF-13 (Thin Solid Films)

Volym

515

Issue

2

Dokumenttyp

Konferensbidrag

Förlag

Elsevier

Ämne

  • Condensed Matter Physics

Nyckelord

  • CBE growth
  • nanowires
  • photoluminescence

Conference name

13th Intl Congr on Thin Films and 8th Intl Conf on Atomically Controlled Surf, Interfaces and Nanostr, Stockholm, Sweden (2005)

Conference date

2005-06-19 - 2005-06-23

Conference place

Stockholm, Sweden

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0040-6090