A non-destructive analytic tool for nanostructured materials : Raman and photoluminescence spectroscopy

Details A non-destructive analytic tool for nanostructured materials : Raman and photoluminescence spectroscopy A non-destructive analytic tool for nanostructured materials : Raman and photoluminescence spectroscopy

2004-06-04

arxiv.org/abs/cond-mat/0406096v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

32 pages, 13 figures

Scientific paper

10.1119/1.1819933

Modern materials science requires efficient processing and characterization techniques for low dimensional systems. Raman spectroscopy is an important non-destructive tool, which provides enormous information on these materials. This understanding is not only interesting in its own right from a physicist's point of view, but can also be of considerable importance in optoelectronics and device applications of these materials in nanotechnology. The commercial Raman spectrometers are quite expensive. In this article, we have presented a relatively less expensive set-up with home-built collection optics attachment. The details of the instrumentation have been described. Studies on four classes of nanostructures - Ge nanoparticles, porous silicon (nanowire), carbon nanotubes and 2D InGaAs quantum layers, demonstrate that this unit can be of use in teaching and research on nanomaterials.

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