Satoshi Sasaki

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Last modified: April 20, 2017

Senior Research Scientist
Quantum Solid State Physics Research Group
Nanomechanics Research Group
Physical Science Research Laboratory
NTT Basic Research Laboratories

News:

• April 2017
  K. Takase, Y. Ashikawa, G. Zhang, K. Tateno, and S. Sasaki,
  "Highly gate-tuneable Rashba spin-orbit interaction in a gate-all-around InAs nanowire metal-oxide-semiconductor field-effect transistor",
  published in Scientific Reports
• February 2015
  S. Sasaki, K. Tateno, G. Zhang, H. Pigot, Y. Harada, S. Saito, A. Fujiwara, T. Sogawa, and K. Muraki,
  "Self-aligned gate-all-around InAs/InP core-shell nanowire field-effect transistors",
  published in Jpn. J. of Appl. Phys.
• November 2013
  S. Sasaki, K. Tateno, G. Zhang, H. Suominen, Y. Harada, S. Saito, A. Fujiwara, T. Sogawa, and K. Muraki,
  "Encapsulated gate-all-around InAs nanowire field-effect transistors",
  published in Appl. Phys. Lett.
• November 2011
  T. Kobayashi, K. Hitachi, S. Sasaki, and K. Muraki,
  "Observation of hysteretic transport due to dynamic nuclear spin polarization in a GaAs lateral double quantum dot",
  published in Phys. Rev. Lett.
• October 2011
  Y. Okazaki, S. Sasaki, and K. Muraki,
  "Spin-orbital Kondo effect in a parallel double quantum dot",
  published in Phys. Rev. B.
• January 2010
  T. Kobayashi, S. Tsuruta, S. Sasaki, T. Fujisawa, Y. Tokura, and T. Akazaki,
  "Kondo effect in a semiconductor quantum dot with a spin-accumulated lead",
  published in Phys. Rev. Lett.

Biography:

Born in 1965.
Ph.D in 1993 from the Institute for Solid State Physics, the University of Tokyo.
Joined NTT in 1993.

Research Interests:

Spin correlation in low dimensional systems (Kondo effect, Spin relaxation etc.)

Transport properties of III-V semiconductor nanowires

• Non-local Control of the Kondo Effect in a Double Quantum Dot-Quantum Wire Coupled System
• Electrical Pump-and-Probe Measurement of the Spin Relaxation Time in a Quantum Dot
  (PowerPoint slides presented at NNCI2005)
• Singlet-Triplet and Doublet-Doublet Kondo Effect in an Artificial Atom
  (PowerPoint slides presented at CISN2003)
• Kondo Effect in an Integer-Spin Quantum Dot

Selected Publications:

• T. Kobayashi, K. Hitachi, S. Sasaki, and K. Muraki,
  "Observation of hysteretic transport due to dynamic nuclear spin polarization in a GaAs lateral double quantum dot",
  Phys. Rev. Lett. 107, 216802 (2011).
• Y. Okazaki, S. Sasaki, and K. Muraki, "Spin-orbital Kondo effect in a parallel double quantum dot",
  Phys. Rev. B 84, 161305(R) (2011).
• T. Kobayashi, S. Tsuruta, S. Sasaki, T. Fujisawa, Y. Tokura, and T. Akazaki,
  "Kondo effect in a semiconductor quantum dot with a spin-accumulated lead",
  Phys. Rev. Lett. 104, 036804 (2010).
• S. Sasaki, H. Tamura, T. Akazaki, and T. Fujisawa,
  "Fano-Kondo interplay in a side-coupled double quantum dot",
  Phys. Rev. Lett. 103, 266806 (2009).
• H. Tamura and S. Sasaki,
  "Fano-Kondo effect in side-coupled double quantum dot",
  Physca E 42, 864 (2010).
• S. Sasaki, H. Tamura, S. Miyashita, T. Maruyama, T. Akazaki, Y. Hirayama, and H. Takayanagi,
  "Interplay between electrostatic and tunnel couplings in an independently contacted double quantum dot-quantum wire coupled device",
  Physica E 40, 1292 (2008).
• S. Sasaki, S. Kang, K. Kitagawa, M. Yamaguchi, S. Miyashita, T. Maruyama, H. Tamura, T. Akazaki, Y. Hirayama, and H. Takayanagi,
  "Spin manipulation in a double quantum-dot-quantum-wire coupled system",
  J. Vac. Sci. Technol. B 24, 2024 (2006). PDF file
• S. Sasaki, S. Kang, K. Kitagawa, M. Yamaguchi, S. Miyashita, T. Maruyama, H. Tamura, T. Akazaki, Y. Hirayama, and H. Takayanagi,
  "Nonlocal control of the Kondo effect in a double quantum dot-quantum wire coupled system", Phys. Rev. B 73, 161303(R) (2006). PDF file
• T. Fujisawa, T. Hayashi and S. Sasaki,
  "Time-dependent single-electron transport through quantum dots", Rep. Prog. Phys. 69, 759 (2006). PDF file
• S. Sasaki, T. Fujisawa, T. Hayashi and Y. Hirayama,
  "Electrical pump-and-probe study of spin singlet-triplet relaxation in a quantum dot", Phys. Rev. Lett. 95, 056803 (2005). PDF file
• S. Sasaki and S. Tarucha,
  "The Kondo effect enhanced by state degeneracy", J. Phys. Soc. Jpn. 74, 88 (2005). PDF file
• S. Sasaki, S. Amaha, N. Asakawa, M. Eto and S. Tarucha,
  "Enhanced Kondo effect via tuned orbital degeneracy in a spin 1/2 artificial atom", Phys. Rev. Lett. 93, 17205 (2004). PDF file
• 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). PDF file
• "Concepts in Spin Electronics (Oxford Univ. press)"

Links:

• 17th International Conference on Electronic Properties of Two-dimensional Systems (EP2DS-17)
• International Conference on Nanoelectronics, Nanostructures and Carrier Interaction (NNCI2007)
• International Symposium on Mesoscopic Superconductivity and Spintronics 2006 (MS+S 2006)
• International Conference on Nanoelectronics, Nanostructures, and Carrier Interaction (NNCI2005)
• 第42回 茅コンファレンス
• International Conference on Solid State Devices and Materials