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Prof. Seiji Kojima

Prof. Seiji Kojima

Prof. Seiji Kojima
Division of Materials Science, University of Tsukuba, Tsukuba, Japan
Broadband Terahertz Time-Domain Spectroscopy of Ferroelectric Crystals 

Name and Date of Birth: Seiji Kojima, April 22, 1951

Nationality: Japanese

Position: Professor, Division of Materials Scinece, University of Tsukuba

Address: 1-1-1, Tennoudai, Tsukuba, Ibaraki 305-8573, Japan

Tel:+81-(029)-853-4967, 5307 Fax:+81-(029)-853-4490

kojima@ims.tsukuba.ac.jp

Education:

  • 1979, University of Tokyo (PhD)
  • 1974, University of Tokyo (Bachelor)

Employment: 

  • 1979-1980 JSPS PD Fellow, University of Tokyo
  • 1980-1981 Research associate, University of Tsukuba
  • 1981-1994 Assistant professor, University of Tsukuba
  • 1994-2002 Associate Professor, University of Tsukuba
  • 2002- Professor , University of Tsukuba
  • 2011- Chair, Division of Materials Science

Professional Societies:

  • American Physical Society
  • American Ceramic Society
  • IEEE

Committees: 

  • Chairman of organizing committee, Ultrasonic Electronics Symoposium, Tokyo, 2014
  • Vice-Chairman of organizing committee, 12th Russia/CIS/Baltic/Japan Symposium on
  • Ferroelectricity, Riga, 2014
  • Topical editor, Current Applied Physics
  • Editorial board, Ferroelectrics

Awards and Honors: JJAP Editorial Award (Japan Society of Applied Physics)

Publications: Over 300 publications.

Some recent ones:

1. S. Tsukada, T. H. Kim, and S. Kojima, APL Mater. 1, 032114-1-7 (2013), “Large acoustic thermal hysteresis in relaxor ferroelectric Pb(Zn1/3Nb2/3)O3-PbTiO3”

2. J. Zushi, T. Ariizumi, S. Kojima, and R. Wang, and H. Bando, Jpn. J. Appl. Phys. 52 (2013) 07HB02, “Formation of morphotropic phase boundary in (Na0.5K0.5)NbO3-BaZrO3-(Bi0.5Li0.5)TiO3 lead-free piezoelectric ceramics”

3. M. Maczka, A. Majchrowski, J. Hanuza, and S Kojima, J. Phys.:Cond. Matt. 25 (2013) 025901. “Temperature-dependent IR and Raman scattering studies of phase transitions in K2MgWO2(PO4)2”

4. S. Tsukada, Y. Hidaka, S. Kojima, A. A. Bokov, and Z.-G. Ye, Phys. Rev. B 87 (2013) 014101. “Development of nanoscale polarization fluctuations in relaxor-based (1-x)Pb(Zn1/3Nb2/3)O3 -xPbTiO3 ferroelectrics studied by Brillouin scattering”

5. T.-H. Kim, J.-H. Ko, and S. Kojima, Jpn. J. Appl. Phys. 52 (2013) , “Ferroelectric phase transition behaviors in Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals studied by Micro-Brillouin light scattering”