Ibaraki University's
Frontier Research Center for Applied Atomic Sciences

Professor

IWASA Kazuaki


Other affiliation / position

  1. 教授
  2. Graduate School of Science and Engineering (Science) Department of Science (Physics Course)

Career

  1. Tokyo Metropolitan University Department of Physics, Graduate School of Science Assistant professor 1995/04/01-2003/07/15
  2. Tohoku University Department of Physics, Graduate School of Science Associate professor 2003/07/16-2016/03/31
  3. Ibaraki University Frontier Research Center for Applied Atomic Sciences & institute of Quantum Beam Science, Graduate School of Science and Technology Professor 2016/04/01-Present

Academic background

  1. Keio University Faculty of Science and Engineering Department of Physics Others 1990/03/31 Graduated Japan
  2. Keio University Graduate School of Science and Engineering Department of Physics Master course 1992/03/31 Completed Japan
  3. Keio University Graduate School of Science and Engineering Department of Physics Doctor course 1995/03/31 Completed Japan

Academic degrees

  1. Ph.D. of Sicence Keio University 1995/03/23

Licenses and qualifications

  1. クレーン運転特別教育 1993/07
  2. エックス線作業主任者 2010/04/01
  3. 特定化学物質及び四アルキル鉛等作業主任者 2017/01/19
  4. 甲種防火管理責任者 2017/02/17

Research Areas

  1. Condensed matter physics II : Strongly correlated electron systems, Magnetism, Density wave
  2. Condensed matter physics I : Phonon properties, Quantum beam science (Neutron and X-ray)

Research keywords

  1. 中性子散乱,X線散乱,強相関電子系,構造相転移

Subject of research

  1. Investigation of high-rank electronic multipole orders in rare-earth metallic compounds 2000/08/01-2016/03/31
  2. Investigation of structural instabilities and metastable-state formation owing to anharmonic atomic vibrations 2007/04/01-2016/03/31
  3. Investigation of strongly correlated electron systems with chiral structure symmetries 2013/04/01-2016/03/31

Research Projects (Competitive Research Funds)

  1. 電荷と磁気モーメントのドープによる高次多極子秩序に拮抗する自由度の活性化 Science research expense 新学術領域研究「3D活性サイト科学, A02 活性サイトの解析と次世代3D原子イメージング技術の開発(手法)」公募研究 2017/04/01-2019/03/31
  2. Study on strongly correlated electron systems by using high-order neutron magnetic scattering processes Science research expense 基盤研究(A) 日本学術振興会 科学研究費補助金 2011/11/01-2016/03/31

Bibliography

  1. 日本大百科全書(ニッポニカ) 中性子回折・中性子散乱・熱中性子 小学館 2014/12/25 URL

Papers

  1. (MISC) Introduction and explanation (scientific journal) Joint 4f2配位系PrIr2Zn20における反強多極子秩序 鬼丸孝博、岩佐和晃 日本中性子科学会誌「波紋」 日本中性子科学 27/ 4, 144-147 2017/11/10
  2. Research paper (international conference proceedings) Joint Inelastic neutron scattering study on 4f-electron multipole system PrTr2X20 (Tr : transition metal, X : Al and Zn) Kazuaki Iwasa, Takahiro Onimaru, Toshiro Takabatake, Ryuji Higashinaka, Yuji Aoki, Seiko Ohira-Kawamura, Kenji Nakajima Physica B: Physics of Condensed Matter 2017/11/04 10.1016/j.physb.2017.11.002
  3. Research paper (scientific journal) Joint Magnetic Properties of Electron-Doped LaCoO3 Keisuke Tomiyasu, Mika Sato, Shun-Ichi Koyama, Tsutomu Nojima, Ryoichi Kajimoto, Sungdae Ji, and Kazuaki Iwasa J. Phys. Soc. Jpn. The Physical Society of Japan 86, 094706-1-094706-2 2017/08/23 10.7566/JPSJ.86.094706
  4. Research paper (scientific journal) Joint Crystal-electric-field excitations and spin dynamics in Ce3Co4Sn13 semimetallic chiral-lattice phase Kazuaki Iwasa, Yuka Otomo, Kazuya Suyama, Keisuke Tomiyasu, Seiko Ohira-Kawamura, Kenji Nakajima, and Jean-Michel Mignot Physical Review B American Physical Society 95, 195156 -1-195156-9 2017/05/26 10.1103/PhysRevB.95.195156
  5. Research paper (scientific journal) Joint Evidence for antiferromagnetic-type ordering of f-electron multipoles in PrIr2Zn20 Kazuaki Iwasa, Keisuke T. Matsumoto, Takahiro Onimaru, Toshiro Takabatake, Jean-Michel Mignot, and Arsen Gukasov Physical Review B American Physical Society 95, 155106-1-155106-10 2017/04/04 10.1103/PhysRevB.95.155106

Research presentations

  1. Oral presentation(general) TbB6における磁気−構造相転移の再検証 日本物理学会第73回年次大会 2018/03/24
  2. Poster presentation Unconventional order phase of PrRu4P12 studied by resonant x-ray scattering 2017年度量子ビームサイエンスフェスタ(第9回MLFシンポジウム, 第35回PFシンポジウム) 2018/03/02
  3. Poster presentation Chiral Crystal-Structure Transformation and Magnetic Excitation in Ce3Tr4Sn13 2017年度量子ビームサイエンスフェスタ(第9回MLFシンポジウム, 第35回PFシンポジウム) 2018/03/02
  4. Poster presentation 中性子回折による価数秩序物質YbPdの磁気構造の研究 日本中性子科学会第17回年会 2017/12/02
  5. Oral presentation(general) Pr1-2-20系の非磁性基底状態と多極子秩序の中性子散乱研究 日本中性子科学会第17回年会 2017/12/02

Prizes

  1. JPSJ Outstanding Referee 2018/03/23
  2. 第12回論文賞 "Evidence for Magnetic-Field-Induced Quadrupolar Ordering in the Heavy-Fermion Superconductor PrOs4Sb12," J. Phys. Soc. Jpn., Vol.72, No.5 pp1002 (2003). 2007/09/23

Alloted class

  1. 物理学ゼミナールI
  2. 外書購読I
  3. 卒業研究

Memberships of academic societies

  1. The Japanese Society for Neutron Science
  2. The Physical Society of Japan 1991/01/01-Present