Shuji HASEGAWA 　　長谷川修司



Professor,
Department of Physics, School of Science
University of Tokyo
7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JAPAN
Tel/Fax (Direct) +81-3-5841-4167
E-mail: shuji@surface.phys.s.u-tokyo.ac.jp

1960	Born at Utsunomiya, Tochigi Prefecture, JAPAN
1978	Graduate from Utsunomiya High School
1983	Graduate from University of Tokyo, School of Science, Department of Physics
1985	Master of Science, given by University of Tokyo, for a study of
	'Development of RHEED-TRAXS* and its application to analyses of surface structures and dynamics', under the supervision of Professor Shozo Ino.(*RHEED-TRAXS: Reflection-Highg-Energy Electron Diffraction with Total-Reflection-Angle X-Ray Spectroscopy)
1985-1990	Researcher at Advanced Research Laboratory, Hitachi, Ltd, studying Electron Holography under the supervision of Dr. Akira Tonomura.
1991	Doctor of Science, given by University of Tokyo in , for a study of
	'Sensitivity-enhanced electron holography and its application to observations of microscopic magnetic fields'. PDF　国会図書館
1990-1994	Research Associate at University of Tokyo, School of Science, Department of Physics, under the supervision of Professor Shozo Ino.
1992-1994	Also a Researcher at PRESTO Project of JST* (*JST: Japan Science and Technology Corporation)
1994-2010	Associate Professor at University of Tokyo, School of Science, Department of Physics
2010-present	Professor at University of Tokyo, School of Science, Department of Physics
Main research topics; surface transport phenomena, surface phase transitions, surface microscopy and spectroscopy, nanoscience and technology

Publications
Recent publications after 1994 are listed here.
The following are those before 1994. [Times Cited according to ISI at Dec 2021]

• S. Hasegawa, S. Ino, Y. Yamamoto, and H. Daimon:
  Chemical analysis of surfaces by total-reflection angle X-ray spectroscopy in RHEED experiments (RHEED-TRAXS),
  Japanese Journal of Applied Physics 24, L387-L390 (1985).
  [Times Cited 109]
  
  
• S. Hasegawa, H. Daimon, S. Ino:
  A Study of adsorption and desorption processes of Ag on Si(111) surface by means of RHEED-TRAXS,
  Surface Science 186, 138-162 (1987). [Times Cited 93]
  
  
• T. Yatagai, K. Ohmura, S. Iwasaki, S. Hasegawa, J. Endo, and A. Tonomura:
  Quantitative phase analysis in electron holographic interferometry,
  Applied Optics 26, 377-382 (1987). [Times Cited 22]
  
  
• 井野正三、大門寛、長谷川修司、松本裕敦:
  RHEED励起X線全反射角分光法(TRAXS)による表面の研究.
  応用物理 56, 843-850 (1987).
  
  
• Y. Honda, M. Futamoto, S. Hasegawa, T. Kawasaki, F. Kugiya, M. Koizumi, K. Yoshida, and A. Tonomura:
  Recorded magnetization patterns of highly c-axis oriented Co-Cr film observed by electron holography,
  Journal de Physique C8, 1969-1970 (1988). [Times Cited 6]
  
  
• S. Ino, S. Hasegawa, H. Matsumoto, and H. Daimon:
  High sensitivity detection of a few atomic layers of adsorbate by RHEED-TRAXS(total reflection angle X-ray spectroscopy),
  in The Structure of Surfaces II (Proceedings of the 2nd International Conference on the Structure of Surfaces), eds. J.F.Van der Veen and M.A. Van Hove ( Springer 1988), 334-339.
  
  
• S. Hasegawa, T. Kawasaki, J. Endo, M. Futamoto, and A. Tonomura:
  Digital phase analysis in interference electron microscopy,
  Proceedings of the 46th Annual Meetings of the Electron Microscopy Society of America (Milwaukee, 1988), 842-843.
  
  
• S. Hasegawa, T. Kawasaki, J. Endo, A. Tonomura, Y. Honda, M. Futamoto, K.Yoshida, F. Kugiya, and M. Koizumi:
  Sensitivity-enhanced electron holography and its application to magnetic recording investigation,
  Journal of Applied Physics 65, 2000-2004 (1989). [Times Cited 27]
  
  
• T. Matsuda, S. Hasegawa, M. Igarashi, T. Kobayashi, M. Naito, H. Kajiyama, J. Endo, N. Osakabe, A. Tonomura, and R. Aoki,
  Magnetic field observation of a single flux quantum by electron holographic interferometry,
  Physical Review Letters 62, 2519-2522 (1989). [Times Cited 95]
  
  
• A. Tonomura, T. Matsuda, S. Hasegawa, M. Igarashi, T. Kobayashi, M. Naito: H. Kajiyama, J. Endo, N. Osakabe, and R. Aoki:
  Electron-interferometric observation of magnetic flux quanta using the Aharonov-Bohm effect,
  Proceedings of the 3rd International Symposium on Foundations of Quantum Mechanics (The Physical Society of Japan, 1989), 15-24.
  
  
• M. Tsutsumi, F. Kugiya, S. Hasegawa, A. Tonomura,
  A study on magnetization model for particulate media,
  IEEE Transactions on Magnetics, 25: (5) 3665-3667 SEP 1989. [Times Cited 8]
  
  
• S. Hasegawa, T. Matsuda, J. Endo, A. Tonomura, and R. Aoki:
  Direct observation of superconducting magnetic fluxons using electron holography,
  in Advances in Superconductivity II (Proceedings of the 2nd International Symposium on Superconductivity), ed. T. Ishiguro and K. Kajimura (Springer, 1990) 635-638.
  
  
• S. Hasegawa, T. Matsuda, J. Endo, N. Osakabe, M. Igarashi, T. Kobayashi, M. Naito, A. Tonomura, and R. Aoki:
  Magnetic flux quanta in superconducting thin films observed by electron holography and digital phase analysis,
  Physical Review B 43, 7631-7650 (1991). [Times Cited 29]
  
  
• T. Matsuda, A. Fukuhara, T. Yoshida, S. Hasegawa, and A. Tonomura:
  Computer reconstruction from electron holograms and observation of fluxon dynamics
  Physical Review Letters 66,457-460 (1991). [Times Cited 48]
  
  
• A. Tonomura, T. Matsuda, S. Hasegawa, M. Igarashi, T. Kobayashi, M. Naito, H. Kajimaya, J. Endo, N. Osakabe, R. Aoki,
  Observation of quantized magnetic flux by electron holography,
  Physica B, 169, 410-413 (1991).[Times Cited 2]
  
  
• S. Hasegawa and S. Ino:
  Surface structures and conductance at epitaxial growths of Ag and Au on the Si(111) surface,
  Physical Review Letters 68, 1192-1195 (1992). [Times Cited 86]
  
  
• 長谷川修司:
  １次か２次か？— Si(111) 7×7←→1×1 相転移、
  表面科学 13 (1992) 494-494.
  
  
• Y. Suzuki and S. Hasegawa:
  Theoretical studies on total-reflection-angle effect of fluorescent X-rays emitted from deposited atoms on surfaces,
  Japanese Journal of Applied Physics 32, 3261-3262 (1993). [Times Cited 4]
  
  
• S. Hasegawa and S. Ino:
  Surface structures and conductance at initial stages in epitaxy of metals on Si(111) surface,
  Surface Science 283, 438-446 (1993). [Times Cited 33]
  
  
• S. Hasegawa and S. Ino:
  Structure-dependent surface conductance at initial stages in epitaxy on Si(111) surfac,
  Thin Solid Films 228, 113-116 (1993). [Times Cited 15]
  
  
• S. Hasegawa, Y. Nagai, T. Oonishi, and S. Ino:
  Hysteresis in phase transitions at clean and metal-covered Si(111) surfaces,
  Physical Review B47, 9903-9906 (1993). [Times Cited 26]
  
  
• S. Hasegawa and S. Ino,
  Correlation between atomic-scale structures and macroscopic electrical properties of metal-covered Si(111) surfaces,
  International Journal of Modern Physics B7, 3817-3876 (1993). [Times Cited 74]
  
  
• 長谷川修司、外村彰:
  電子線ホログラフィによる超伝導磁束量子の直接観察,
  ＦＥＤジャーナル ４, 25-31 (1993) （（財）新機能素子研究開発協会）.
  
  
• 長谷川修司:
  原子レベルの構造と電気特性 -金属 / 半導体界面の場合-,
  表面科学 14 (1993) 513-513.

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