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Journal of Nanoparticle Research
Erschienen in: Journal of Nanoparticle Research 3/2013

01.03.2013 | Research Paper

Ge quantum dot lattices in Al2O3 multilayers

verfasst von: M. Buljan, N. Radić, M. Ivanda, I. Bogdanović-Radović, M. Karlušić, J. Grenzer, S. Prucnal, G. Dražić, G. Pletikapić, V. Svetličić, M. Jerčinović, S. Bernstorff, V. Holý

Erschienen in: Journal of Nanoparticle Research | Ausgabe 3/2013

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Abstract

In this article, we show how to produce materials consisting of regularly ordered Ge quantum dot lattices in an amorphous alumina matrix with a controllable Ge quantum dot size, shape, spacing, crystalline structure, and degree of regularity in their ordering. The production of such materials is achievable already at room temperature by magnetron sputtering deposition of a (Ge + Al2O3)/Al2O3 multilayer. The materials show photoluminescence in the visible and ultraviolet light range, a size-dependent blue shift of the photoluminescence peak and an enhancement of its intensity by size reduction, indicating the quantum dot origin of the photoluminescence. The materials also exhibit excellent mechanical properties due to the alumina matrix. Their internal structure is shown to be highly resistive to irradiation with energetic particles for a large range of the irradiation parameters.
Vorheriger Artikel Influence of pH on the transport of silver nanoparticles in saturated porous media: laboratory experiments and modeling
Nächster Artikel PAMAM dendrimer-coated iron oxide nanoparticles: synthesis and characterization of different generations

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Metadaten
Titel
Ge quantum dot lattices in Al2O3 multilayers
verfasst von
M. Buljan
N. Radić
M. Ivanda
I. Bogdanović-Radović
M. Karlušić
J. Grenzer
S. Prucnal
G. Dražić
G. Pletikapić
V. Svetličić
M. Jerčinović
S. Bernstorff
V. Holý
Publikationsdatum
01.03.2013
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 3/2013
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-013-1485-9

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