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Laser Induced Heating of Group IV Nanowires

Published online by Cambridge University Press:  21 February 2012

J. Anaya ,
A. Torres ,
A. Martin-Martín ,
J. Jiménez ,
A. Rodríguez  and
T. Rodríguez
J. Anaya
Affiliation:
GdS Optronlab, Ed I+D, Universidad de Valladolid, P. de Belén, 1, 47011 Valladolid, Spain
A. Torres
Affiliation:
GdS Optronlab, Ed I+D, Universidad de Valladolid, P. de Belén, 1, 47011 Valladolid, Spain
A. Martin-Martín
Affiliation:
GdS Optronlab, Ed I+D, Universidad de Valladolid, P. de Belén, 1, 47011 Valladolid, Spain
J. Jiménez
Affiliation:
GdS Optronlab, Ed I+D, Universidad de Valladolid, P. de Belén, 1, 47011 Valladolid, Spain
A. Rodríguez
Affiliation:
Tecnología Electrónica, ETSIT, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
T. Rodríguez
Affiliation:
Tecnología Electrónica, ETSIT, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
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Abstract

Semiconductor nanowires (NWs) are fundamental structures for nanoscale devices. The excitation of NWs with laser beams results in thermal effects that can substantially change the spectral shape of the spectroscopic data. In particular, the interpretation of the Raman spectrum is greatly influenced by excitation induced temperature. A study of the interaction of the NWs with the excitation laser beam is essential to interpret the spectra. We present herein a finite element analysis of the interaction between the laser beam and the NWs. The resultas are applied to the interpretation of the Raman spectrum of bundles of NWs.

Keywords

nanostructureRaman spectroscopythermal conductivity
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1404: Symposium W – Phonons in Nanomaterials–Theory, Experiments and Applications , 2012 , mrsf11-1404-w07-03
Copyright
Copyright © Materials Research Society 2012

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References

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