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Please use this identifier to cite or link to this item: http://hdl.handle.net/2108/566

Title: Raman spectroscopy on nanostructures
Authors: Geurts, Jean
Speiser, Eugen
Keywords: Raman spectroscopy
Nearfield optics
apertureless SNOM
semiconductor nanostructures
phonon confinement
Issue Date: 30-Jul-2008
Abstract: One of the most current and also most promising fields of research in solid state physics is that of nano-structured materials. In particular, there is a great interest in nanostructured semiconductors, thanks to the latest developments in preparation techniques. These techniques allow to prepare nano-sized semiconductors with excellent crystalline structure and most often also with epitaxially determined orientations with respect to a template. The interest in nano-structures is triggered by the discovery that their physical properties (electronic, optical, thermodynamical) are different from those of the corresponding bulk material due to confinement. Consequently, the size becomes a new design parameter for new electronic and optoelectronic devices, for example. The goal of this work is to study nano-structures by optical methods, especially by Raman spectroscopy. 1-dimensional nano-structures are the main focus because of their recently intensively investigated and improved growt...
Description: 20. ciclo
URI: http://hdl.handle.net/2108/566
Appears in Collections:Tesi di dottorato in scienze matematiche e fisiche

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