L-NESS

Laboratory for Epitaxial Nanostructures on Silicon and Spintronics

Affiliated Institutions

Nobuyuki Koguchi

Visiting Professor

Contact

e-mail:
tel:Como: +39 031 332 7616
fax:Como: +39 031 332 7617
address:Politecnico di Milano
Polo di Como
Via Anzani 42
22100 Como
Italy
office:Via Anzani 1.03

Nobuyuki Koguchi

Main Research Interest

Publications

  1. L. Cavigli, M. Abbarchi, S. Bietti, C. Somaschini, S. Sanguinetti, N. Koguchi, A. Vinattieri, and M. Gurioli: Individual GaAs quantum emitters grown on Ge substrates, Appl. Phys. Lett. 98, 103104 (2011).
  2. S. Bietti, C. Somaschini, N. Koguchi, C. Frigeri, and S. Sanguinetti: Self-assembled GaAs local artificial substrates on Si by droplet epitaxy, J. Cryst. Growth 323, 267 (2011).
  3. C. Somaschini, S. Bietti, A. Fedorov, N. Koguchi, and S. Sanguinetti: Outer zone morphology in GaAs ring/disk nanostructures by droplet epitaxy, J. Cryst. Growth 323, 279 (2011).
  4. C. Somaschini, S. Bietti, N. Koguchi, and S. Sanguinetti: Shape control via surface reconstruction kinetics of droplet epitaxy nanostructures, Appl. Phys. Lett. 97, 203109 (2010).
  5. C. Somaschini, S. Bietti, A. Fedorov, N. Koguchi, and S. Sanguinetti: Growth interruption effect on the fabrication of GaAs concentric multiple rings by droplet epitaxy, Nanoscale Res. Lett. 5, 1897 (2010).
  6. C. Somaschini, S. Bietti, A. Fedorov, N. Koguchi, and S. Sanguinetti: Concentric multiple rings by droplet epitaxy: Fabrication and study of the morphological anisotropy, Nanoscale Res. Lett. 5, 1865 (2010).
  7. S. Bietti, C. Somaschini, N. Koguchi, C. Frigeri, and S. Sanguinetti: Self-assembled local artificial substrates of GaAs on Si substrate, Nanoscale Res. Lett. 5, 1905 (2010).
  8. S. Bietti, C. Somaschini, E. Sarti, N. Koguchi, S. Sanguinetti, G. Isella, D. Chrastina, and A. Fedorov: Photoluminescence study of low thermal budget III--V nanostructures on silicon by droplet epitaxy, Nanoscale Res. Lett. 5, 1650 (2010).
  9. S. Bietti, C. Somaschini, S. Sanguinetti, N. Koguchi, G. Isella, D. Chrastina, and A. Fedorov: Low thermal budget fabrication of III-V quantum nanostructures on Si substrates, J. Phys. Conf. Ser. 245, 012078 (2010).
  10. C. Somaschini, S. Bietti, N. Koguchi, F. Montalenti, C. Frigeri, and S. Sanguinetti: Self-assembled GaAs islands on Si by droplet epitaxy, Appl. Phys. Lett. 97, 053101 (2010).
  11. C. Somaschini, S. Bietti, S. Sanguinetti, N. Koguchi, and A. Fedorov: Self-assembled GaAs/AlGaAs coupled quantum ring-disk structures by droplet epitaxy, Nanotechnology 21, 125601 (2010).
  12. S. Bietti, S. Sanguinetti, C. Somaschini, N. Koguchi, G. Isella, D. Chrastina, and A. Fedorov: Fabrication of GaAs quantum dots by droplet epitaxy on Si/Ge virtual substrate, IOP Conf. Ser.: Mat. Sci. Eng. 6, 012009 (2009).
  13. C. Somaschini, S. Bietti, S. Sanguinetti, N. Koguchi, A. Fedorov, M. Abbarchi, and M. Gurioli: Fabrication of GaAs concentric multiple quantum rings by droplet epitaxy, IOP Conf. Ser.: Mat. Sci. Eng. 6, 012008 (2009).
  14. S. Bietti, C. Somaschini, M. Abbarchi, N. Koguchi, S. Sanguinetti, E. Poliani, M. Bonfanti, M. Gurioli, A. Vinattieri, T. Kuroda, T. Mano, and S. Sakoda: Quantum dots to double concentric quantum ring structures transition, phys. stat. sol. (c) 6, 928 (2009).
  15. S. Bietti, C. Somaschini, S. Sanguinetti, N. Koguchi, G. Isella, and D. Chrastina: Fabrication of high efficiency III-V quantum nanostructures at low thermal budget on Si, Appl. Phys. Lett. 95, 241102 (2009).
  16. C. Somaschini, S. Bietti, N. Koguchi, and S. Sanguinetti: Fabrication of multiple concentric nanoring structures, Nano Lett. 9, 3419 (2009).

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Last updated: 11th July 2016