Japan Prize Laureates

Laureates of the Japan Prize

Dr. Leo Esaki

Dr. Leo Esaki

  • Nationality:
  • Date of Birth:
    12 March 1925

Outline of Achievements

Outline of Achievements

The 1998 Japan Prize

  • Field:
    Generation and Design of New Materials Creating Novel Functions
  • Achievement:
    For the creation and realization of the concept of man-made superlattice crystals which lead to generation of new materials with useful applications
  • Lecture:
    The Evolution of Semiconductor Superlattices

Major Awards

1959 Nishina Memorial Award
1960 Asahi Press Award Toyo Rayon Foundation Award
1961 Morris N. Liebmann Memorial Prize from IRE Stuart Ballantine Medal from the Franklin Institute
1965 Japan Academy Award
1973 Nobel Prize in Physics
1974 Order of Culture from the Japanese Government
1985 American Physical Society International Prize for New Materials
1991 IEEE Medal of Honor

Membership in Academic Institutions and Societies

American Physical Society
Physical Society of Japan
1975 Member, Japan Academy
1976 Foreign Associate, National Academy of Sciences, USA
1977 Foreign Associate , National Academy of Engineering, USA
1989 Member, Max-Planck-Gesellschaft
1991 Member, American Philosophical Society
1994 Foreign Member, Russian Academy of Sciences
1995 Honorary Foreign Member, Korean Academy of Science and Technology
1996 Member, Italian National Academy of Science

Academic Degrees

1947 B.S. in Physics, The University of Tokyo
1959 Ph.D., The University of Tokyo

Professional Career

1947 Kobe Kogyo Corporation
1956 Tokyo Tsushin Kogyo (now Sony Corporation)
1960 IBM Thomas J. Watson Research Center, USA
1992-Present President, University of Tsukuba


  • Former President, University of Tsukuba

Major Publications and Scientific Papers

  • L. Esaki and R.Tsu, "Superlattice and negative differential conductivity in semiconductors," IBM J.Res. Development, pp.61-65, Jan. 1970.
  • L. Esaki, L.L. Chang, W.E. Howard and V.L. Rideout, "Transport properties of a GaAs- GaAlAs superlattice," Proc. Int. Conf. Phys. Semicond., pp.431-435, Warsaw, 1972.
  • R. Tsu and L. Esaki, "Tunneling in a finite superlattice," Appl. Phys. Lett., Vol.22, No.11, pp.562-564, June 1973.
  • L.L. Chang, L. Esaki and R. Tsu, "Resonant tunneling in semiconductor double barriers," Appl. Phys. Lett., Vol.24, pp.593-595, 1974.
  • L. Esaki and L.L. Chang, "New transport phenomenon in a semiconductor superlattice," Phys. Rev. Lett., Vol.33, pp.495-498, 1974.
Page Top