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1.	Fox, Z, et al. (author) Predictors of CD4 count change over 8 months of follow up in HIV-1-infected patients with a CD4 count>or=300 cells/microL who were assigned to 7.5 MIU interleukin-2 2007 In: HIV medicine. - : Wiley. - 1464-2662 .- 1468-1293. ; 8:2, s. 112-123 Journal article (peer-reviewed)
2.	Heiss, M., et al. (author) Self-assembled quantum dots in a nanowire system for quantum photonics 2013 In: Nature Materials. - 1476-4660. ; 12:5, s. 439-444 Journal article (peer-reviewed)abstract Quantum dots embedded within nanowires represent one of the most promising technologies for applications in quantum photonics. Whereas the top-down fabrication of such structures remains a technological challenge, their bottom-up fabrication through self-assembly is a potentially more powerful strategy. However, present approaches often yield quantum dots with large optical linewidths, making reproducibility of their physical properties difficult. We present a versatile quantum-dot-innanowire system that reproducibly self-assembles in core-shell GaAs/AlGaAs nanowires. The quantum dots form at the apex of a GaAs/AlGaAs interface, are highly stable, and can be positioned with nanometre precision relative to the nanowire centre. Unusually, their emission is blue-shifted relative to the lowest energy continuum states of the GaAs core. Large-scale electronic structure calculations show that the origin of the optical transitions lies in quantum confinement due to Al-rich barriers. By emitting in the red and self-assembling on silicon substrates, these quantum dots could therefore become building blocks for solid-state lighting devices and third-generation solar cells.

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Type of publication: journal article (2)

Type of content: peer-reviewed (2)

Author/Editor: Beck, S (1); Nakamura, T. (1); Owen, M. (1); Vogel, M. (1); Barber, T. (1); Weber, J. (1); show more...; Smith, M. (1); Pena, J (1); Weber, C. (1); Martinez, A (1); Johnson, M. (1); Vidal, M. (1); Thompson, G. (1); Schmidt, S. (1); Jimenez, M. (1); Salmon, D (1); Nielsen, H (1); Valenti, S. (1); Herrera, J. (1); Cepeda, C. (1); Williams, L. (1); White, D. (1); Bentwich, Z (1); Poli, G (1); Bell, ML (1); Leung, J (1); Watson, A (1); Schultz, T. (1); Williams, B (1); Perez, G. (1); Phillips, A. (1); Guenette, R. (1); Ohara, M (1); Mortier, E (1); Shaw, D (1); Simon, A (1); Baxter, J. (1); Dolan, S. (1); Fernandez, P. (1); Mori, M. (1); Walker, J. (1); Clotet, B (1); Horban, A (1); Anderson, J. (1); Munoz, R. (1); Schneider, K. (1); Sandstrom, E (1); Aboulker, JP (1); Babiker, A (1); Darbyshire, JH (1); show less...

University: Lund University (1); Karolinska Institutet (1)

Language: English (2)

Research subject (UKÄ/SCB): Natural sciences (1)

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