Yoshinori TOKURA (Y. Tokura)


Education & Careers

Mar. 1976B. S., Dept. of Applied Physics, University of Tokyo
Mar. 1981Ph. D., Dept. of Applied Physics, University of Tokyo
Apr. 1981Research Associate, Dept. of Applied Physics, University of Tokyo
Aug. 1984Lecturer, Dept. of Applied Physics, University of Tokyo
Jul. 1986Associate Professor, Dept. of Physics, University of Tokyo
Jul. 1993 - Mar. 2002Group Leader, Joint Research Center for Atom Technology (JRCAT)
Jan. 1994Professor, Dept. of Physics, University of Tokyo
Apr. 1995 - presentProfessor, Dept. of Applied Physics, University of Tokyo
Apr. 2001 - Mar. 2008Director, Correlated Electron Research Center (CERC), AIST
Oct. 2001 - Mar. 2007Research Director, Tokura Spin Superstructure, ERATO-JST
Oct. 2006 - Mar. 2012Research Director, Tokura Multiferroics Project, ERATO-JST
Oct. 2007 - Mar. 2013Group Director, Cross-Correlated Materials Research Group (CMRG), RIKEN
Apr. 2008 - presentAIST Fellow, National Institute of Advanced Industrial Science and Technology (AIST)
Apr. 2010 - Jun. 2013Center Director, Quantum-Phase Electronics Center (QPEC), School of Engineering, The University of Tokyo
Apr. 2010 - Mar. 2013Director, Emergent Materials Department, RIKEN Advanced Science Institute
Apr. 2010 - Mar. 2013Group Director, Correlated Electron Research Group (CERG), RIKEN Advanced Science Institute
Apr. 2013 - presentDirector, RIKEN Center for Emergent Matter Science (CEMS)

Research Fields

Materials Physics, Applied Physics


Council Member of Science Council of Japan(20th)、Member of Science Council of Japan(21,22th).
Foreign Member of the Royal Swedish Academy of Sciences(2014 - )

Major accomplishments

discoveries of photo-induced phase transition phenomena, discoveries of electron-doped high-temperature (high-Tc) superconductors, establishment of a general rule for high-Tc materials design and its application to new high-Tc materials synthesis, systematic studies on the filling-controlled Mott transition system, discoveries and research on the mechanism of colossal magnetoresistance in oxide materials, discoveries of gigantic nonlinear optical properties in Mott insulators, creation of organic molecular ferroelectrics, discoveries of gigantic magnetoelectric effect in multiferroics, observation and invstigation of magnetic skyrmions, Control of quantum conduction in topological insulator thin films, and so on.
19 papers were published in Nature, 30 papers in Nature's sister journals, 21 papers in Science, 170 or more papers in Phys.Rev.Lett., and so on.


1990Nishina Memorial Prize
1990IBM Japan Science Prize
1991Bernd Matthias Prize
1998Nissan science Prize
1999JPS Award for Academic Papers on Physics
2002Asahi Prize
2002ISI Citation Laureate Award (Department of Applied Physics)
2003Medal with Purple Ribbon
2005James C. MacGroddy Prize for New Materials
201152th Fujihara Prize
2012IUPAP Magnetism Award and Néel Medal
2013The Imperial Prize and Japan Academy Prize
2014Honorary Doctor at Uppsala University
201455th Honda Memorial Award


  • Y.Tokura, H.Takagi, and S.Uchida, "A superconducting copper oxide compound with electrons as the charge carriers", Nature, 337, 345-347 (1989).
  • H.Kuwahara, Y.Tomioka, A.Asamitsu, Y.Moritomo, and Y.Tokura, "A First-Order Phase Transition Induced by a Magnetic Field", Science, 270, 961-963 (1995).
  • Y.Moritomo, A.Asamitsu, H.Kuwahara, and Y.Tokura, "Giant Magnetoresistance in Layered Structure of Manganese Oxides", Nature, 380, 141-144 (1996).
  • Y.Tokura, H.Kuwahara, Y.Moritomo, Y.Tomioka, and A.Asamitsu, "Competing instabilities and metastable states in (Nd,Sm)1/2Sr1/2MnO3", Phys.Rev.Lett., 76, 3184 (1996).
  • T.Kimura, Y.Tomioka, H.Kuwahara, A.Asamitsu, M.Tamura, and Y.Tokura, "Interplane tunneling magnetoresistance in a layered manganite crystal", Science, 274, 1698-1701 (1996).
  • A.Asamitsu, Y.Tomioka, H.Kuwahara, and Y.Tokura, "Current-switching of resistive states in colossal magnetoresistive oxides", Nature, 388, 50-52 (1997).
  • K.-I.Kobayashi, T.Kimura, H.Sawada, K.Terakura, and Y.Tokura, "Room-temperature magnetoresistance in an oxide material with an ordered double-perovskite structure", Nature, 395, 677-680 (1998).
  • Y.Tokura and N.Nagaosa, "Orbital Physics in Transition-Metal Oxides", Science, 288, 462 (2000).
  • E.Saitoh, S.Okamoto, K.T.Takahashi, K.Tobe, K.Yamamoto, T.Kimura, S.Ishihara, S.Maekawa, and Y.Tokura, "Observation of orbital waves as elementary excitations in a solid", Nature, 410, 180 (2001).
  • Y.Taguchi, Y.Oohara, H.Yoshizawa, N.Nagaosa, and Y.Tokura, "Spin Chirality, Berry Phase, and Anomalous Hall Effect in a Frustrated Ferromagnet", Science, 291, 2573 (2001).
  • S.Horiuchi, Y.Okimoto, R.Kumai, and Y.Tokura,"Quantum Phase Transition in Organic Charge-Transfer Complexes",Science, 299, 229 (2003).
  • T.Kimura, T.Goto, H.Shintani, K.Ishizaka, T.Arima, and Y.Tokura "Magnetic control of ferroelectric polarization",Nature,426,140 (2003).
  • S.Ishiwata, Y. Taguchi, H.Murakawa, Y. Onose, and Y. Tokura "Low-Magnetic-Field Control of Electric Polarization Vector in a Helimagnet" Science, 319, 1643 (2008).
  • Y. Tokunaga, N. Furukawa, H. Sakai, Y. Taguchi, T. Arima, and Y. Tokura "Composite domain walls in a multiferroic perovskite ferrite" Nature Mat., 8, 558 - 562 (2009).
  • M. Nakamura, D. Okuyama, J. S. Lee, T. Arima, Y. Wakabayashi, R. Kumai, M. Kawasaki, and Y. Tokura "Magnetically Tunable Metal-Insulator Superlattices" Adv. Mater., 22, 876 (2010).
  • X. Z. Yu, Y. Onose, N. Kanazawa, J. H. Park, J. H. Han, Y. Matsui, N. Nagaosa, and Y. Tokura "Real-space observation of a two-dimensional skyrmion crystal" Nature 465, 901 (2010).