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Silvano DE FRANCESCHI 04.38.78.54.80 04.38.78.50.96 silvano.defranceschi cea.fr |
Research staff
Field of expertise: experimental condensed-matter physics, mesoscopic quantum transport,
science and technology of nanostructures and nanodevices
Main research subjects: control of electron spin dynamics in quantum-dot nanostructures, quantum spintronics
Nanostructures of interest: semiconductor nanowires, semiconductor quantum dots, carbon nanotubes
Professional career:
1999: PhD in physics, Scuola Normale Superiore, Pisa, Italy.
1999 - 2001: TMR postdoct, QT group, TU Delft, The Netherlands
2001 - 2004: ERATO researcher, QT group, TU Delft, The Netherlands
2004 - 2006: Staff researcher, CNR-INFM TASC Laboratory,
Since 5/11/2006: Staff researcher, CEA,
Awards:
Nicholas Kurti European Science Prize 2005 [http://www.oxford-instruments.com/scienceprize/europe/prize.asp]
Selected publications:
· J. van Dam, Y. Nazarov, E. Bakkers, S. De Franceschi, L. Kouwenhoven, “Supercurrent reversal in quantum dots”, Nature 442, 667 (2006).
· Y.-J. Doh, J.A. van Dam, A.L. Roest, E.P.A.M. Bakkers, L.P. Kouwenhoven, S. De Franceschi, “Tunable Supercurrent Through Semiconductor Nanowires”, Science 309, 272 (2005).
· P. Jarillo-Herrero, J. Kong, H.S.J. van der Zant, C. Dekker, L.P. Kouwenhoven, and S. De Franceschi, “Orbital Kondo effect in carbon nanotubes”, Nature 434, 484 (2005).
· S. De Franceschi,S. Sasaki, J.M. Elzerman,W.G. van der Wiel,S. Tarucha, and L.P. Kouwenhoven, “Electron Cotunneling in a Semiconductor Quantum Dot”, Phys. Rev. Lett. 86, 878 (2001).
· S. Sasaki, S. De Franceschi, J.M. Elzerman, W.G. van der Wiel, M. Eto, S. Tarucha, and L.P. Kouwenhoven,“Kondo effect in an integer-spin quantum dot”, Nature 405, 764 (2000).
Selected invited talks:
· TNT2007, San Sebastian, Spain, Sept. 2007
· 2007 RCIQE International Seminar, Hokkaido, Japan, Feb. 2007
· European MRS Spring Meeting, Nice, France, May 2006
· 2006 MRS Spring Meeting, San Francisco, US, April 2006
· DPG-Spring meeting (German Condensed-Matter Division),Dresden,Germany,March ‘06
· IWEPNM 2005, Kirchberg, Austria, March 2005..
· Modern Aspects of Quantum Impurity Systems, Dresden, Germany, April 2003.
· CISN2003, NTT-Atsugi, Japan, March 2003.
· Workshop on Strongly Correlated Electron Systems, Hvar, Croatia, October 2002.
· Macroscopic Quantum Coherence and Computing, Naples, Italy, June 2000.
Funded research projects:
· HYSWITCH: “Tunable Josephson Dots” (FP6 EU STREP, 3 years, started: Jan. 2006)
· SpiCo: “Spin-coherent transport and control in quantum nanostructures” (ESF program on “Fundamentals in Nanoelectronics”, 3 years, started: Dec. 2006)
· COHESION: “COHerence of Electron Spins In One-dimensional Nanostructures” (ANR, Programme Chaire d’Excellence « Junior »,4 years, start:~Jan 2008)
2007
1. Silvano De Franceschi and Natalio Mingo, “Cooling electrons one by one”, Nature Nanotechnology 2, 538 (2007).
2. A. Colli, A. Fasoli, P. Beecher, P. Servati, S. Pisana, Y. Fu, A. J. Flewitt, W. I. Milne, J. Robertson, C. Ducati, S. De Franceschi, S. Hofmann and A. C. Ferrari, J. Appl. Phys. 102, 034302 (2007).
3. M. Piccin, G. Bais, V. Grillo, F. Jabeen, S. De Franceschi, et al., “Growth by molecular beam epitaxy and electrical characterization of GaAs nanowires”, Physica E : Low dimensional Systems and Nanostructures 37, 134 (2007).
2006
4. Jorden van Dam, Yuli Nazarov, Erik Bakkers, Silvano De Franceschi, Leo Kouwenhoven, “Supercurrent reversal in quantum dots”, Nature 442, 667 (2006).
5. Faustino Martelli, Silvia Rubini, Matteo Piccin, Giorgio Bais, Fauzia Jabeen, Silvano De Franceschi et al., “Manganese-induced growth of GaAs nanowires”, Nano Letters 6, 2130 (2006).
2005
6. Y.-J. Doh, J.A. van Dam, A.L. Roest, E.P.A.M. Bakkers, L.P. Kouwenhoven, S. De Franceschi “Tunable Supercurrent Through Semiconductor Nanowires”, Science 309, 272 (2005).
7. Pablo Jarillo-Herrero, Jing Kong, Herre S. J. van der Zant, Cees Dekker, Leo P. Kouwenhoven, and Silvano De Franceschi, “Orbital Kondo effect in carbon nanotubes”, Nature 434, 484 (2005).
8. Pablo Jarillo-Herrero, Jing Kong, Herre S. J. van der Zant, Cees Dekker, Leo P. Kouwenhoven, and Silvano De Franceschi, “Transport spectroscopy of carbon nanotubes in a magnetic field”, Phys. Rev. Lett. 94, 156802 (2005).
2004
10. Erik Bakkers, Jorden van Dam, Silvano De Franceschi, Leo Kouwenhoven, Monja Kaiser, Marcel Verheijen, Harry Wondergem, and Paul van der Sluis, “Epitaxial growth of InP nanowires on Germanium”, Nature Materials 3, 769 (2004).
11. J.M. Elzerman, R. Hanson, J.S. Greidanus L.H. Willems van Beveren, S. De Franceschi, L.M.K. Vandersypen, S. Tarucha, L.P. Kouwenhoven, “Tunable few-electron double quantum dots with Integrated charge read-out”, Physica E 25, 135 (2004).
12. W. G. van der Wiel, M. Stopa, S. De Franceschi, L. P. Kouwenhoven, and S. Tarucha, “Electron spin redistribution in a Kondo quantum dot in the low-magnetic-field regime”, Physica E 22, 538 (2004).
13. Pablo Jarillo-Herrero, Jing Kong, Herre S. J. van der Zant, Cees Dekker, Leo P. Kouwenhoven, and Silvano De Franceschi, “Tunable Orbital Pseudospin and Multi-level Kondo Effect in Carbon Nanotubes”, AIP Conf. Proc. 786, 482 (2005).
14. Erik P.A.M. Bakkers, Louis F. Feiner, Marcel A. Verheijen, Jorden A. van Dam, Silvano De Franceschi, and Leo Kouwenhoven, “Monocrystalline InP Nanotubes”, Mat. Res. Soc. Symp. Proc. Vol. 789, N12.5.1 (2004).
15. L. M. K. Vandersypen, R. Hanson, L. H. Willems van Beveren, , J. M. Elzerman, J. S. Greidanus, S. De Franceschi, L. P. Kouwenhoven, “Quantum Computing with Electron Spins in Quantum Dots”, in “Quantum Computing and Quantum Bits in Mesoscopic Systems”, ed. by A.J. Leggett, B. Ruggiero, and P. Silvestrini, (Kluwer Academic Plenum Publishers, 2004), p. 201. See also quant-ph/0207059.
2003
16. W. G. van der Wiel, S. De Franceschi, J. M. Elzerman, T. Fujisawa, S. Tarucha and L. P. Kouwenhoven, “Electron transport through double quantum dots”, Rev. Mod. Phys. 75 Vol. 1, 1 (2003).
17. S. De Franceschi, J. A. van Dam, E. P. A. M. Bakkers, L.-F. Feiner, L. Gurevich, L. P. Kouwenhoven, “Single-electron tunneling in InP nanowires”, Appl. Phys. Lett. 83, 344 (2003).
18. M. Stopa, W. G. van der Wiel, S. De Franceschi, S. Tarucha, L. P. Kouwenhoven, “Magnetically induced chessboard pattern in the conductance of a Kondo quantum dot”, Phys. Rev. Lett. 91, 046601 (2003).
19. J. M. Elzerman, J. Greidanus, R. Hanson, L. H. Willems van Beveren, S. De Franceschi, L. M. K. Vandersypen, L. P. Kouwenhoven, “Few-Electron Quantum Dot Circuit with Integrated Charge Read-Out”, Phys. Rev. B 67, 161308(R) (2003).
20. W. G. van der Wiel, Yu. V. Nazarov, S. De Franceschi, T. Fujisawa, J. M. Elzerman, E. W. G. M. Huizeling, S. Tarucha, and L. P. Kouwenhoven, “Electro-magnetic Aharonov-Bohm effect in a 2-D electron gas ring”, Phys. Rev. B 67, 033307 (2003).
21. Jorden van Dam, Silvano De Franceschi, Erik Bakkers, en Leo Kouwenhoven,” Elektronica met Nanodraden”, Nederlands Tijdschrift voor Natuurkunde, juli 2003, p. 240.
22. J. Motohisa, W. G. van der Wiel, J. M. Elzerman, S. De Franceschi, F. Nakajima, T. Fukui, and L. P. Kouwenhoven, “Two-stage Kondo effect in a lateral quantum dot at high magnetic field”, in “Physics of semiconductors
2002
23. Silvano De Franceschi and Leo Kouwenhoven, “Electronics and the single atom”, Nature 417, 701 (2002).
24. J. Motohisa, W. G. van der Wiel, J. M. Elzerman, S. De Franceschi, F. Nakajima, Y. Ogasawara, T. Fukui, and L. P. Kouwenhoven, “Low-temperature transport in dual-gated SETs fabricated by selective area metalorganic vapor phase epitaxy”, Physica E 13, 687 (2002).
25. S. De Franceschi, R. Hanson, W. G. van der Wiel, J. M. Elzerman, J. J. Wijpkema, T. Fujisawa, S. Tarucha, and L. P. Kouwenhoven, “Out-of-Equilibrium Kondo Effect in a Mesoscopic Device”, Phys. Rev. Lett. 89, 156801 (2002).
26. W. G. van der Wiel, S. De Franceschi, J. M. Elzerman, S. Tarucha, L. P. Kouwenhoven, J. Motohisa, F. Nakajima, and T. Fukui, “Two-stage Kondo effect in a quantum dot at high magnetic field”, Phys. Rev. Lett. 88, 126803 (2002).
27. J. Motohisa, W. G. van der Wiel, J. M. Elzerman, S. De Franceschi, F. Nakajima, T. Fukui, and L. P. Kouwenhoven, “Fabrication and low-temperature transport properties of selectively grown dual-gated single-electron transistors”, Appl. Phys. Lett. 80, 2797 (2002).
28. W.G. van der Wiel, T.H. Oosterkamp, S. De Franceschi, C.J.P.M. Harmans, and L.P. Kouwenhoven, “Photon assisted tunneling in quantum dots”, in “Strongly Correlated Fermions and Bosons in Low-Dimensional Disordered Systems”, ed. by I. V. Lerner, B. L. Althsuler, V. I. Fal’ko, and T. Giamarchi, (Kluwer Academic Publishers, 2002), p. 43. See also cond-mat/9904359.
2001
29. S. De Franceschi, S. Sasaki, J. M. Elzerman, W. G. van der Wiel, S. Tarucha, and L. P. Kouwenhoven, “Electron Cotunneling in a Semiconductor Quantum Dot”, Phys. Rev. Lett. 86, 878 (2001).
30. S. Tarucha, D. G. Austing, S. Sasaki, Y. Tokura, W. G. van der Wiel, S. De Franceschi, and L. P. Kouwenhoven, “Spin effects in semiconductor quantum dot structures”, Physica E 10, 45 (2001).
31. S. De Franceschi, W. G. van der Wiel, T. Fujisawa, J. M. Elzerman, W. Izumida, S. Tarucha, and L. P. Kouwenhoven, “Multi-level Kondo regimes in a quantum dot”, in “Electronic Correlations: From Meso- to Nano-Physics”, ed. by T. Martin et al., (EDP Sciences, 2001), p. 361.
32. S. Tarucha, D. G. Austing, S. Sasaki, Y. Tokura, J. M. Elzerman, W. G. van der Wiel, S. De Franceschi, and L. P. Kouwenhoven, “Novel Kondo Anomaly in quantum Dots”, Materials Science and Engineering B 84, 10 (2001).
33. S. De Franceschi, S. Sasaki, J. M. Elzerman, W. G. van der Wiel, M. Eto, S. Tarucha, and L. P. Kouwenhoven, “Electron transport through quantum dots: an unusual Kondo effect”, in "Kondo Effect and dephasing in low-dimensional metallic systems", V. Chandrasekhar, C. van Haesendonck, and A. Zawadowski, eds., NATO Science Series II, vol. 50 , (Kluwer Academic Publishers, 2001), p.153.
34. S. De Franceschi, S. Sasaki, J. M. Elzerman, W. G. van der Wiel, M. Eto, S. Tarucha, and L. P. Kouwenhoven, “Transport through artificial Kondo impurities”, in “Macroscopic Quantum Coherence and Computing”, ed. by D. Averin et. al., (Plenum Press, 2001), p. 317.
2000
35. W.G. van der Wiel, S. De Franceschi, T. Fujisawa, J.M. Elzerman, S. Tarucha, and L.P. Kouwenhoven, “The Kondo Effect in the Unitary Limit”, Science 289, 2105 (2000).
36. S. Sasaki, S. De Franceschi, J.M. Elzerman, W.G. van der Wiel, M. Eto, S. Tarucha, and L.P. Kouwenhoven, “Kondo effect in an integer-spin quantum dot”, Nature 405, 764 (2000).
37. J.M. Elzerman, S. De Franceschi, D. Goldhaber-Gordon, W.G. van der Wiel and L.P. Kouwenhoven, “Suppression of the Kondo Effect in a Quantum Dot by Microwave Radiation”, J. Low Temp. Phys. 118, 375 (2000).
38. C. Marinelli, L. Sorba, M. Lazzarino, D. Kumar, E. Pelucchi, B. H. Müller, D. Orani, S. Rubini, A. Franciosi, S. De Franceschi, and F. Beltram, “Tunable Schottky barrier contacts to InxGa1-xAs”, J. Vac. Sci. Technol. B 18, 2119 (2000).
39. S. De Franceschi, F. Giazotto, F. Beltram, L. Sorba, M. Lazzarino, and A. Franciosi, “Andreev reflection in engineered Al/Si/InGaAs(001) junctions”, Phil. Mag. B 80, 817 (2000).
