Yoshitaka KAWASUGI
Research Scientist		  




March 2006 Bachelor of Science, The University of Toho
March 2008 Master of Science, Graduate School of Science, The University of Toho
March 2010 Doctor of Science, Graduate School of Science, Saitama University


April 2008 Junior Research Associate, Condensed Molecular Materials Laboratory, RIKEN
May 2010 Division of Materials Physics, Graduate School of Engineering Science, Osaka University
June 2013 Research Scientist, Condensed Molecular Materials Laboratory, RIKEN


October 2015 Young Scientist Award of the Physical Society of Japan


"Field-effect in molecular conductors"


  1. H. M. Yamamoto, M. Suda, and Y. Kawasugi
    Organic Phase-Transition Transistor with Strongly Correlated Electrons
    Japanese Journal of Applied Physics, 57, 03EA02/1-7 (2018).    New!

  2. E. Tisserond, J. N. Fuchs, M. O. Goerbig, P. Auban-Senzier, C. Meziere, P. Batail, Y. Kawasugi, M. Suda, H. M. Yamamoto, R. Kato, N. Tajima, and M. Monteverde
    Aperiodic Quantum Oscillations of Particle-Hole Asymmetric Dirac Cones
    EPL, 119, 67001/1-5 (2017).

  3. T. Kamiya, Y. Kawasugi, M. Ara, and H. Tada
    Nonlocal Magnetoresistance Measurements of the Organic Zero-Gap Conductor α-(BEDT-TTF)2I3
    Phys. Rev. B, 95, 085307/1-5 (2017).

  4. Y. Sato, Y. Kawasugi, M. Suda, H. M. Yamamoto, and R. Kato
    Critical Behavior in Doping-Driven Metal-Insulator Transition on Single-Crystalline Organic Mott-FET
    Nano Lett., 17, 708-714 (2017).

  5. Y. Kawasugi, K. Seki, Y. Edagawa, Y. Sato, J. Pu, T. Takenobu, S. Yunoki, H. M. Yamamoto, and R. Kato
    Simultaneous Enhancement of Conductivity and Seebeck Coefficient in an Organic Mott Transistor
    Appl. Phys. Lett., 109, 233301/1-4 (2016).

  6. Y. Kawasugi, K. Seki, Y. Edagawa, Y. Sato, J. Pu, T. Takenobu, S. Yunoki, H. M. Yamamoto, and R. Kato
    Electron-Hole Doping Asymmetry of Fermi Surface Reconstructed in a Simple Mott Insulator
    Nat. Commun. 7, 12356/1-8 (2016).

  7. M. Suda, Y. Kawasugi, T. Minari, K. Tsukagoshi, R. Kato, and H. M. Yamamoto
    Strain-Tunable Superconducting Field-Effect Transistor with an Organic Strongly-Correlated Electron System
    Advanced Materials, 26(21), 3490-3495 (2014).

  8. H. M. Yamamoto, Y. Kawasugi, H. B. Cui, M. Nakano, Y. Iwasa, and R. Kato
    Asymmetric Phase Transitions Observed at the Interface of a Field-Effect Transistor Based on an Organic Mott Insulator
    Euro. J. Inorg. Chem., 2014(24), 3841-3844 (2014).

  9. Y. Kawasugi, T. Ujino, and H. Tada
    Room-Temperature Magnetoresistance in Organic Spin-Valves based on a Co2MnSi Heusler Alloy
    Org. Electron., 14, 3186-3189 (2013).

  10. S. T. Pham, Y. Kawasugi, and H. Tada
    Organic Magnetoresistance in Ambipolar Field-Effect Transistors
    Appl. Phys. Lett., 103, 143301/1-143301/4 (2013).

  11. N. Tajima, T. Yamauchi, T. Yamaguchi, M. Suda, Y. Kawasugi, H. M. Yamamoto, R. Kato, Y. Nishio, and K. Kajita
    Quantum Hall Effect in Multilayered Massless Dirac Fermion Systems with Tilted Cones
    Phys. Rev. B, 88, 075315/1-075315/6 (2013).

  12. Y. Kawasugi, M. Ara, H. Ushirokita, T. Kamiya, and H. Tada
    Preparation of Lateral Spin-Valve Structure Using Doped Conducting Polymer Poly(3,4-ethylenedioxythiophene) Poly(styrenesulfonate)
    Org. Electron. 14, 1869-1873 (2013).

  13. S. T. Pham, Y. Kawasugi and H. Tada
    Magnetic Field Effect on Photoconductivity of Single-Crystalline Pentacene and Perfluoropentacene Field-Effect Transistors
    Mater. Res. Soc. Symp. Proc. 1402, mrsf11-1402-u05-03-5 (2012).

  14. Y. Kawasugi, H. M. Yamamoto, N. Tajima, T. Fukunaga, K. Tsukagoshi, and R. Kato
    Electric-Field-Induced Mott Transition in an Organic Molecular Crystal
    Phys. Rev. B 84, 125129/1-125129-9 (2011).    PRB Editors' Suggestions

  15. H. Katsu, Y. Kawasugi, R. Yamada, and H. Tada
    Low Frequency Noise in Organic Solar Cells
    21th International conference on noise and fluctuation proceeding ICNF, p.81 (2011).

  16. Y. Kawasugi, H. M. Yamamoto, N. Tajima, T. Fukunaga, K. Tsukagoshi, and R. Kato
    Field-Induced Carrier Delocalization in the Strain-Induced Mott Insulating State of an Organic Superconductor
    Phys. Rev. Lett., 103(11), 116801/1-116801/4 (2009).   PRL Editors' Suggestions

  17. H. M. Yamamoto, M. Hosoda, Y. Kawasugi, K. Tsukagoshi, and R. Kato
    Field Effect on Organic Charge-Ordered/Mott Insulators
    Physica B:condensed Matter, 404(3-4), 413-415 (2009).

  18. Y. Kawasugi, H. M. Yamamoto, M. Hosoda, N. Tajima, T. Fukunaga, K. Tsukagoshi, and R. Kato
    Strain-Induced Superconductor/Insulator Transition and Field Effect in a Thin Single Crystal of Molecular Conductor
    Appl. Phys. Lett., 92, 243508/1-243508/3 (2008).

  19. H. M. Yamamoto, Y. Kawasugi, H. Ito, T. Fukunaga, T. Suzuki, K. Tsukagoshi, and R. Kato
    Conduction Properties of Micro-Crystals of 2,5-dimethyl-N,N'-dicyanoquinonediimine Metal (metal = Ag, Cu) Complexes on SiO2/Si Substrates
    Solid State Sci., 10(12),1757-1761 (2008).

  20. S. Sugawara, T. Ueno, Y. Kawasugi, N. Tajima, Y. Nishio, and K. Kajita
    Out-of-Plane Resistance under Transverse Magnetic Field in Quasi-One-Dimensional Layered Metals
    J. Phys. Soc. Jpn., 75, 053704/1-053704/5 (2006).





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