KOJIMA Seiji

Researcher's full information

Articles

• Boson peak dynamics of natural polymer starch investigated by terahertz time-domain spectroscopy and low-frequency Raman scattering
  Kojima Seiji
  Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy/192/pp.446-450, 2018-01
• Is there a spontaneous ferroelectric phase transition in 0.83PbMg1/3Nb2/3O3-0.17PbTiO3 single crystal ?
  Svirskas S.; Jablonskas D.; Samulionis V.; Kojima Seiji; ...
  Journal of Alloys and Compounds/748/pp.127-133, 2018-03
• Electric field effects on polar-nanoregions in Li-doped KTa1-xNbxO3 single crystals probed by micro-Brillouin scattering
  Rahaman M. M.; Imai T.; Sakamoto T.; Kojima S.
  INTEGRATED FERROELECTRICS/185(1)/pp.22-30, 2017
• Stretched slowing down in high-PT content PMN-xPT single crystals probed by Brillouin scattering
  Al Helal Md.; Aftabuzzaman Md.; Kojima Seiji
  FERROELECTRICS/519(1:4)/pp.109-114, 2017
• Field-Induced Dielectric Anomalies and Aging Behavior in (1-x)Pb(Mg1/3Nb2/3) O-3-xPbTiO(3) Single Crystals with x=0.33
  Shabbir Ghulam; Kojima Seiji; Ko Jae-Hyeon
  JOURNAL OF THE KOREAN PHYSICAL SOCIETY/71(12)/pp.974-978, 2017-12
• Strong anisotropy of electric field effects on uniaxial relaxor ferroelectric Sr0.75Ba0.25Nb2O6 crystals proved by acoustic emission
  Dul'kin E.; Kojima S.; Roth M.
  SOLID STATE COMMUNICATIONS/269/pp.68-70, 2018-01
• Ferroelectric phase transition of Li-doped KTa1-xNbxO3 single crystals with weak random fields: Inelastic light scattering study
  Rahaman Md. Mijanur; Imai Tadayuki; Sakamoto Tadashi; ...
  JOURNAL OF ALLOYS AND COMPOUNDS/735/pp.1063-1070, 2018-02
• Relation between Fractal Inhomogeneity and In/Nb-Arrangement in Pb(In1/2Nb1/2)O3
  Tsukada Shinya; Ohwada Kenji; Ohwa Hidehiro; Mori Shi...
  Scientific reports/7(1), 2017-12
  
  PubMed Tsukuba Repository
• Boson peak dynamics of natural polymer starch investigated by terahertz time-domain spectroscopy and low-frequency Raman scattering
  Terao Wakana; Mori Tatsuya; Fujii Yasuhiro; Koreeda A...
  Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy/192/pp.446-450, 2017-11
  
  PubMed Tsukuba Repository
• Temperature evolution of central peaks and effect of electric field in relaxor ferroelectric 0.83Pb(Mg
  Al Helal Md; Aftabuzzaman Md; Svirskas Sarunas; Banys Ju...
  Jpn. J. Appl. Phys./56(10::S)/p.10PB03, 2017-09
  
  CiNii
• Electric field effect on elastic properties of uniaxial relaxor SrxBa1-xNb2O6 single crystals with strong random fields
  Aftabuzzaman Md; Al Helal Md; Dec Jan; Kleemann Wolfgang...
  Jpn. J. Appl. Phys./56(10::S)/p.10PC06, 2017-09
  
  CiNii
• Memory effects of relaxor ferroelectric 0.70Pb(Mg1/3Nb2/3)O-3-0.30PbTiO(3) single crystals studied by dielectric spectroscopy
  Aftabuzzaman Md; Kojima Seiji
  FERROELECTRICS/513(1:3)/pp.38-43, 2017
• Electric field and aging effects of uniaxial ferroelectrics Sr x Ba1-x Nb2O6 probed by Brillouin scattering
  Aftabuzzaman M; Helal M A; Paszkowski R; Dec J; Kleemann ...
  Scientific reports/7(1), 2017-09
  
  PubMed Tsukuba Repository
• Brillouin scattering and elastic constants of relaxor ferroelectric 0.44Pb(Mg1/3Nb2/3)O-3-0.56PbTiO(3) single crystals
  Al Helal Md; Kojima Seiji
  FERROELECTRICS/512(1:2)/pp.36-44, 2017
• Inelastic light scattering of ferroelectric Sr-2(Nb1-xTax)(2)O-7 crystals at high temperatures
  Kojima Seiji; Tsukada Shinya; Akishige Yukikuni
  FERROELECTRICS/512(1:2)/pp.20-28, 2017
• Electric field induced critical points and field gradient by trapped electrons in Li-doped KTa1-xNbxO3 single crystals
  Rahaman M. M.; Imai T.; Sakamoto T.; Kojima S.
  APPLIED PHYSICS LETTERS/111(3), 2017-07
  
  Tsukuba Repository
• Pressure Dependence of the Boson Peak of Glassy Glycerol
  Ahart Muhtar; Aihaiti Dilare; Hemley Russell J; Kojima...
  The journal of physical chemistry. B/121(27)/pp.6667-6672, 2017-07
  
  PubMed
• Broadband dielectric spectroscopy of Pb-based relaxor ferroelectric (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 with intermediate random fields
  Svirskas Sarunas; Banys Juras; Kojima Seiji
  JOURNAL OF APPLIED PHYSICS/121(13), 2017-04
  
  Tsukuba Repository
• Fano resonance of Li-doped KTa(1-x)NbxO3 single crystals studied by Raman scattering
  Rahaman M M; Imai T; Sakamoto T; Tsukada S; Kojima S
  Scientific reports/6, 2016-04
  
  PubMed
• Role of polar nanoregions with weak random fields in Pb-based perovskite ferroelectrics
  Helal M A; Aftabuzzaman M; Tsukada S; Kojima S
  Scientific reports/7, 2017-03
  
  PubMed Tsukuba Repository
• Terahertz time-domain spectroscopy and Raman scattering studies of incipient ferroelectric BaZrO3
  Al Helal Md; Mori Tatsuya; Kojima Seiji
  FERROELECTRICS/499(1:3::SI)/pp.107-114, 2016
  
  Tsukuba Repository
• 18aPS-71 Terahertz Time-Domain Spectroscopy of Single Crystal BaZrO_3
  森 龍也; Helal MD Al; 小島 誠治
  日本物理学会講演概要集/70(2)/p.2503, 2015-09
  
  CiNii
• 17aCU-1 Terahertz Time-Domain Spectroscopy and Raman scattering of glassy polymer
  橋本 侑亮; 森 龍也; 小島 誠治
  日本物理学会講演概要集/70(2)/p.2919, 2015-09
  
  CiNii
• 3P1-5 Electric field effect of relaxor ferroelectric (1-x)Pb(Mg_<1/3>Nb_<2/3>)O_<3-x>PbTiO_3 crystals near MPB composition probed by Brillouin scattering
  Aftabuzzaman Md; Kojima Seiji
  Proceedings of Symposium on Ultrasonic Electronics/36/pp."3P1-5-1"-"3P1-5-2", 2015-11
  
  CiNii
• 21aCH-5 Temperature and Electric field measurement of relaxor ferroelectric (1-x)Pb (Zn_<1/3>Nb_<2/3>)O_3
  山田 哲也; 森 龍也; 塚田 真也; 小島 誠治
  日本物理学会講演概要集/70(1)/p.2666, 2015-03
  
  CiNii
• more...