Tohoku Gakuin University

Language
日本語 English

Faculty of Engineering Department of Electrical and Electronic Engineering

Faculty Introduction

Teacher Profiles

SHIMA, Toshiyuki Professor (Nanotechnology Engineering)

SHIMA, Toshiyuki Professor

degree Ph.D. (Engineering)
Specialty Magnetic materials, thin film materials
Affiliated academic societies Japan Institute of Metals, Japan Society of Applied Magnetics, Institute of Electrical Engineers of Japan, IEEE, MRS
others Hobbies, etc.: Listening to music and movies, collecting Apple goods
Subjects Taught Computer Fundamentals, Computer Exercises II, Nano-Materials Engineering, Electronics Engineering Experiments III & IV, Electronics Engineering Seminar, Graduation Research I & II
(Graduate Schools: Advanced Topics in Nanomaterials I & II, English Technical Communications)
Website Magnetic Materials Laboratory (http://grad.eng.tohoku-gakuin.ac.jp/course/profile.php?id=ap04)
Graduate School of Engineering website (http://grad.eng.tohoku-gakuin.ac.jp/)
Research topic

Research on the magnetic properties of nanocrystalline thin film materials, magnetostriction control of highly magnetized magnetostrictive materials, elucidation of the microstructure and magnetization process of rare-earth thin film magnet materials, magnetostriction of artificial ferrimagnetic exchange coupling films, low-temperature synthesis, microstructure and high coercivity of FePt ordered alloy thin films, and development/research of next-generation hard disk materials.

Career
March 1984 (Showa 59) Graduated from Akita Prefectural Akita High School
March 1989 (Heisei 1) Graduated from the Department of Materials Science and Physics, Faculty of Faculty of Engineering Tohoku University.
March 1991 (Heisei 3) Completed Master's Program in Materials Science and Engineering, Graduate Graduate School of Engineering, Tohoku Graduate Schools.
March 1994 (Heisei 6) Completed doctoral program in Materials Science and Engineering at Tohoku Graduate Schools Graduate School of Engineering
April 1994 (Heisei 6) Assistant Professor, Institute for Materials Research, Tohoku University
January 2004 (Heisei 16) Visiting Researcher (1 month) at Cavendish Lab, Cambridge University
July 2004 (Heisei 16) Visiting Researcher at Argonne National Lab (7 months)
April 2005 (Heisei 17) Associate Professor, Department of Physics and Information Engineering, Faculty of Faculty of Engineering Tohoku Gakuin University
April 2006 (Heisei 18) Associate Professor, Department of Electronic Engineering, Faculty of Engineering Tohoku Gakuin University
April 2007 (Heisei 19) Associate Professor, Department of Electronic Engineering, Faculty of Engineering Tohoku Gakuin University
April 2009 (Heisei 21) Professor, Department of Electronic Engineering, Faculty of Engineering Tohoku Gakuin University
performance
Academic paper
  • Effect of film morphology on the magnetic properties for Nd-Fe-B thin films
    T. Sato, H. Kato, T. Shima, YK Takahashi, K. Hono
    J. Magn. Magn. Mat., Vol. 323, No.1, (2011) pp.163-166. Peer-reviewed
  • Magnetic properties of FePt thin films with multilayered structure
    S Matsumoto, T Shima
    J. Phys. Conference Series, Vol.266, (2011) 012038. Peer-reviewed
  • Magnetization Reversal Process of Hard/Soft Nano-Composite Structures Formed by Ion Irradiation
    M. Aniya, A. Shimada, Y. Sonobe, K. Sato, T. Shima, K. Takanashi, Simon J. Greaves, T. Ouchi, and T. Homma
    IEEE Trans. Magn., Vol. 46, No. 6 (2010) pp. 2132-2135. Peer-reviewed
  • Structure and Magnetic Properties of Fe-Pt/Cu/Fe Thin Films
    Hajime Ishioka, Mari Tahara, Kotaro Sato, Natsumi Oka, SHIMA, Toshiyuki
    IEEJ Transactions on Fundamental, Materials, and General Engineering (Trans. FM), Vol. 130, No. 7 (2010), pp. 621–625. Peer-reviewed
  • High Bulk Spin Scattering Asymmetry in CPP Spin Valves With Alternated Monatomic Superlattice
    Y. Mano, IC Chu, K. Miyake, M. Doi, S. Kuwano, T. Shima, M. Sahashi
    IEEE Trans. Magn., Vol. 45, No. 10 (2009) pp. 3460-3463. Peer-reviewed
  • Phenomenological analysis of magnetization reversal process for L10-FePt (001) particulate films
    D. Wang, T. Seki, K. Takanashi, T. Shima, G.-Q Li, H. Saito and S. Ishio
    J. Appl. Phys. Vol. 105, No. 7 (2009) pp. 07A702-1-3. Peer-reviewed
  • Magnetization reversal process in micro-fabricated L10-FePt dots
    D. Wang, T. Seki, K. Takanashi and T. Shima
    J. Phys. D: Appl. Phys. 41 (2008) 195008. Peer-reviewed
  • Dot Size Dependence of Magnetization Reversal Process in L10-FePt Dot Arrays
    D. Wang, T. Seki, K. Takanashi, T. Shima, G. Li, H. Saito, and S. Ishio
    IEEE Trans. Magn., Vol. 44, No. 11 (2008) pp. 3464-3467. Peer-reviewed
  • Magnetic bubbles in FePt nanodots with perpendicular anisotropy
    C. Moutafis, S. Komineas, CAF Vaz, JAC Bland, T. Shima, T. Seki, and K. Takanashi
    Phys. Rev. B 76, 104426 (2007) (5 pages). Peer-reviewed
  • Perpendicular magnetization of L10-ordered FePt films in the thinnest limit
    S. Imada, A. Yamasaki, S. Suga, T. Shima, K. Takanashi
    Appl. Phys. Lett. 90 (13): 132507, 2007. Peer-reviewed
  • Asymmetric initial magnetization process of elongated particles in nucleation -type L10 FePt films
    GQ Li, H. Saito, S. Ishio, T. Shima, K. Takanashi, ZH Xiong
    J. Magn. Magn. Mater. 315 (2): 126-131, 2007. Peer-reviewed
  • Structure and magnetic properties for L10-ordered FeNi films prepared by alternate monatomic layer deposition
    T. Shima, M. Okamura, S. Mitani, and K. Takanashi
    J. Magn. Magn. Mater., 310 (2007) pp.2213-2214. Peer-reviewed
  • Epitaxial growth of L10-FePt/MgO/L10-FePt(001) trilayer structures
    M. Hagiuda, S. Mitani, T. Seki, K. Yakushiji, T. Shima, and K. Takanashi
    J. Magn. Magn. Mater., 310 (2007) pp.1905-1907. Peer-reviewed
  • Morphology and domain pattern of epitaxially grown L10 FePt elongated particles
    G.-Q. Li, H. Saito, S. Ishio, T. Shima, K. Takanashi, Z. Xiong
    J. Magn. Magn. Mater., 319 (2007) pp. 73-79. Peer-reviewed
  • Formation of octahedral FePt nanoparticles by alternate deposition of FePt and MgO
    T. Shima, K. Takanashi, YK Takahashi, and K. Hono
    Appl. Phys. Lett., Vol. 88, No. 6 (2006) 063117 (3 pages). Peer-reviewed
  • Nucleation-type magentization behavior in FePt(001) particulate films
    T. Shima, K. Takanashi, YK Takahashi, K. Hono, GQ Li and S. Ishio
    J. Appl. Phys., Vol. 99, No. 3 (2006) 033516 (5 pages). Peer-reviewed
  • Anomalous magnetization process and non-symmetrical domain wall displacements in L10 FePt particulate films
    G.-q. Li, H. Saito, S. Ishio, T. Shima and K. Takanashi
    J. Magn. Magn. Mater., Vol. 303 (2006) pp. 14-19. Peer-reviewed
  • Dot size dependence of magnetic properties in microfabricated L10-FePt (001) and L10- FePt (110) dot arrays
    T. Seki, T. Shima, K. Yakushiji, K. Takanashi, G.-Q. Li, and S. Ishio
    J. Appl. Phys., Vol. 100, No. 4 (2006) pp. 043915-1-8. Peer-reviewed
Commentary, publications, etc.
  • "Increasing the coercivity of Nd-Fe-B magnets through thin-film technology and the coercivity mechanism"
    Toshiyuki Shima, Hajime Kato, Takuro Iwasa, So Ishioka, Natsumi Oka, Takeshi Sato
    Proceedings of the 163rd Workshop of the Japan Society of Applied Magnetics (2008), pp. 17-24. Not peer-reviewed.
  • Hard Magnetic Films “Handbook of Magnetism and Advanced Magnetic Materials” pp.2306-2324.
    Toshiyuki Shima and Koki Takanashi
    (Edited by H. Kronmüller and S. Parkin, Vol. 4, Novel Materials. John Wiley & Sons Ltd, 2007)
Invited lecture
  • “Magnetization process in hard magnetic materials”
    T. Shima
    The 5th Asia Forum on Magnetics, Beijing (China), 100 people, Oct. 15-17, 2008
  • “Magnetization behavior in epitaxially grown FePt films”
    T. Shima, K. Takanashi
    MRS Fall Meeting, Boston (USA), 2000 people, Nov. 26-30, 2007