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Open Access research which pushes advances in bionanotechnology

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SIPBS is a major research centre in Scotland focusing on 'new medicines', 'better medicines' and 'better use of medicines'. This includes the exploration of nanoparticles and nanomedicines within the wider research agenda of bionanotechnology, in which the tools of nanotechnology are applied to solve biological problems. At SIPBS multidisciplinary approaches are also pursued to improve bioscience understanding of novel therapeutic targets with the aim of developing therapeutic interventions and the investigation, development and manufacture of drug substances and products.

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High density InAlAs/GaAlAs quantum dots for non-linear optics in microcavities

Kuszelewicz, R. and Benoit, J.-M. and Barbay, S. and Lemaitre, A. and Patriarche, G. and Meunier, K. and Tierno, Alessio and Ackemann, Thorsten (2012) High density InAlAs/GaAlAs quantum dots for non-linear optics in microcavities. Journal of Applied Physics, 111. ISSN 0021-8979

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    Abstract

    Structural and optical properties of InAlAs/GaAlAs quantum dots grown by molecular beam epitaxy are studied using transmission electron microscopy, temperature- and time resolvedphotoluminescence. The control of the recombination lifetime (50 ps – 1.25 ns), and of the dot density (5.10−8 – 2.1011 cm−3) strongly suggest that these material systems can find wide applications in opto-electronic devices as focusing non linear dispersive materials as well as fast saturable absorbers.