PDF study of the anomalous magnetic correlation in spinel compound

• Project/Area Number: 21740239
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Condensed matter physics II
• Research Institution: Kyushu Institute of Technology
• Principal Investigator: IIKUBO Satoshi Kyushu Institute of Technology, 大学院・生命体工学研究科, 助教 (40414594)
• Project Period (FY): 2009 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000); Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
• Keywords: 磁性 / 強相関電子系 / 物性実験 / 放射線、X線、粒子線 / 量子ビーム / 中性子散乱

Research Abstract

Neutron scattering studies on the geometric frustration system LiV_2O_4 and Y_2Ir_2O_7 and novel iron superconducting system Fe(Se_<1-x>Te_x)_y are reported. First principles calculation studies about specific heat, cluster expansion and cluster variation method are also carried out to discuss phase stability of materials.

Research Products

• [Journal Article] Local crystal structure of nano-manganese-oxide gold adsorbent (2011)
  • Author(s): S.Iikubo, H.Koyanaka, S.Shamoto, K.Takeuchi, S.Kohara, K.Kodama, C.K.Loong
  • Journal Title: Journal of Physics and Chemistry of Solids 171 Pages: 1603-1603
  • Peer Reviewed
• [Journal Article] Local crystal structure of nano-manganese-oxide gold adsorbent (2011)
  • Author(s): S.Iikubo, H.Koyanaka, S.Shamoto, K.Takeuchi, S.Kohara, K.Kodama, C.K.Loong
  • Journal Title: Journal of Physics and Chemistry of Solids Volume: 171 Pages: 1603-1603
  • Peer Reviewed
• [Journal Article] First-Principles Calculations of the Specific Heats of Cubic Carbides and Nitrides (2010)
  • Author(s): S.Iikubo, H.Ohtani, M.Hasebe
  • Journal Title: Materials Transactions 51 Pages: 574-576
  • NAID: 10026266344
  • Peer Reviewed
• [Journal Article] Magnetic structure and local lattice distortion in giant negative thermal expansion material Mn3Cu1-xGexN (2010)
  • Author(s): S.Iikubo, K.Kodama, K.Takenaka, H.Takagi, S.Shamoto
  • Journal Title: Journal of Physics : Conference Series 251 Pages: 12014-12014
  • Peer Reviewed
• [Journal Article] Neutron scattering study of Fe(Se1-xTex)0.92(x=0.75,1) (2010)
  • Author(s): S.Iikubo, M.Fujita, S.Niitaka, H.Takagi, H.Ohtani, M.Hasebe
  • Journal Title: Physica C 470 Pages: 401-401
  • Peer Reviewed
• [Journal Article] Magnetic structure and local lattice distortion in giant negative thermal expansion material Mn3Cu1-xGexN (2010)
  • Author(s): S.Iikubo, K.Kodama, K.Takenaka, H.Takagi, S.Shamoto
  • Journal Title: Journal of Physics : Conference Series Volume: 251 Pages: 12014-12014
  • Peer Reviewed
• [Journal Article] Neutron scattering study of Fe(Se1-xTex)0.92 (x=0.75, 1) (2010)
  • Author(s): S.Iikubo, M.Fujita, S.Niitaka, H.Takagi, H.Ohtani, M.Hasebe
  • Journal Title: Physica C Volume: 470 Pages: 401-401
  • Peer Reviewed
• [Journal Article] First-Principles Calculations of the Specific Heats of Cubic Carbides and Nitrides (2010)
  • Author(s): S. likubo、H. Ohatani、M. Hasebe
  • Journal Title: Materials Transactions 51 Pages: 574-576
  • Peer Reviewed
• [Journal Article] Antiferromagnetic Fluctuations in Fe(Se1-xTex)0.92(x=0.75,1) Observed by Inelastic Neutron Scattering (2009)
  • Author(s): S.Iikubo, M.Fujita, S.Niitaka, H.Takagi
  • Journal Title: J.Phys.Soc.Jpn. 78 Pages: 103704-103704
  • NAID: 40016772342
  • Peer Reviewed
• [Journal Article] Antiferromagnetic Fluctuations in Fe(Se_<1-x>Te_x)_<0.92>(x=0.72,1) Observed by Inelastic Neutron Scattering (2009)
  • Author(s): S. likubo、M. Fujita, S. Niitaka, H. Takagi
  • Journal Title: J.Phys. Soc. Jpn. 78 Pages: 103704-103704
  • Peer Reviewed
• [Presentation] Fe-Mo-Si_3元系状態図の熱力学的解析 (2011)
  • Author(s): 石橋主税, 山田薫, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 2011年日本金属学会春期大会
  • Place of Presentation: 東京都市大学
  • Year and Date: 2011-03-26
• [Presentation] 第一原理に基づいた鋼中析出物の定圧比熱計算 (2011)
  • Author(s): 藤本博和, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 2011年日本金属学会春期大会
  • Place of Presentation: 東京都市大学
  • Year and Date: 2011-03-25
• [Presentation] 第一原理計算を用いたSiGe固溶体の弾性定数の評価 (2011)
  • Author(s): 高原聡也, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 2011年日本金属学会春期大会
  • Place of Presentation: 東京都市大学
  • Year and Date: 2011-03-25
• [Presentation] 第一原理に基づいた鋼中析出物の定圧比熱計算 (2011)
  • Author(s): 藤本博和, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 日本金属学会
  • Place of Presentation: 東京都市大学
  • Year and Date: 2011-03-25
• [Presentation] Fe-Mo-Si 3元系状態図の熱力学的解析 (2011)
  • Author(s): 石橋主税, 山田薫, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 日本金属学会
  • Place of Presentation: 東京都市大学
  • Year and Date: 2011-03-25
• [Presentation] 第一原理計算を用いたSiGe固溶体の弾性定数の評価 (2011)
  • Author(s): 高原聡也, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 日本金属学会
  • Place of Presentation: 東京都市大学
  • Year and Date: 2011-03-25
• [Presentation] Cu-Ni-P3元系状態図の熱力学的解析 (2010)
  • Author(s): 日野真志, 宍戸久郎, 有賀康博, 難波茂信, 飯久保智, 大谷博司
  • Organizer: 2010年日本金属学会秋季大会
  • Place of Presentation: 北海道大学
  • Year and Date: 2010-09-27
• [Presentation] Z相の生成要因に関する熱力学的考察 (2010)
  • Author(s): 金井利一, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 2010年日本金属学会秋季大会
  • Place of Presentation: 北海道大学
  • Year and Date: 2010-09-27
• [Presentation] Fe-W-Si_3元系状態図の熱力学的解析 (2010)
  • Author(s): 山田薫, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 2010年日本金属学会秋季大会
  • Place of Presentation: 北海道大学
  • Year and Date: 2010-09-27
• [Presentation] HCP-Mgの積層欠陥形成に対する格子歪みの効果 (2010)
  • Author(s): 飯久保智, 大谷博司, 長谷部光弘
  • Organizer: 2010年日本金属学会秋季大会
  • Place of Presentation: 北海道大学
  • Year and Date: 2010-09-25
• [Presentation] HCP-Mgの積層欠陥形成に対する格子歪みの効果 (2010)
  • Author(s): 飯久保智, 大谷博司, 長谷部光弘
  • Organizer: 日本金属学会
  • Place of Presentation: 北海道大学
  • Year and Date: 2010-09-25
• [Presentation] Cu-Ni-P 3元系状態図の熱力学的解析 (2010)
  • Author(s): 日野真志, 宍戸久郎, 有賀康博, 難波茂信, 飯久保智, 大谷博司
  • Organizer: 日本金属学会
  • Place of Presentation: 北海道大学
  • Year and Date: 2010-09-25
• [Presentation] Fe-W-Si 3元系状態図の熱力学的解析 (2010)
  • Author(s): 山田薫, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 日本金属学会
  • Place of Presentation: 北海道大学
  • Year and Date: 2010-09-25
• [Presentation] Z相の生成要因に関する熱力学的考察 (2010)
  • Author(s): 金井利一, 飯久保智, 徳永辰也, 大谷博司
  • Organizer: 日本金属学会
  • Place of Presentation: 北海道大学
  • Year and Date: 2010-09-25
• [Presentation] 単結晶Fe(Se_<1-x> Te_x)yの中性子非弾性散乱 (2010)
  • Author(s): 飯久保智, 藤田全基, G.D.Gu,J.M.Tranquada
  • Organizer: 2010年日本物理学会秋季大会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2010-09-23
• [Presentation] 単結晶Fe(Se1-x TeX)yの中性子非弾性散乱 (2010)
  • Author(s): 飯久保智, 藤田全基, G.D.Gu, J.M.Tranquada
  • Organizer: 日本物理学会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2010-09-23
• [Presentation] Neutron diffraction study of FeCr2O4 spinel (2010)
  • Author(s): Satoshi Iikubo, Keisuke Tomiyasu, Kazumasa Horigane, Kazuyoshi Yamada, Hiroshi Ohtani, Mitsuhiro Hasebe
  • Organizer: CALPHAD XXIX
  • Place of Presentation: 韓国、済州島
  • Year and Date: 2010-05-23
• [Presentation] Neutron diffraction study of FeCr2O4 spinel (2010)
  • Author(s): S.Iikubo, K.Tomiyasu, K.Horigane, K.Yamada, H.Ohtani, M.Hasebe
  • Organizer: CALPHAD XXIX
  • Place of Presentation: 済州島
  • Year and Date: 2010-03-24
• [Presentation] 中性子散乱でみたFe(Se1-xTex)0.92(x=0.75,1)の反強磁性磁気揺らぎ (2009)
  • Author(s): 飯久保智
  • Organizer: 2009年度第3回材料研究会・九州西日本支部合同研究会
  • Place of Presentation: 九州工業大学
  • Year and Date: 2009-12-22
• [Presentation] 中性子散乱でみたFe(Se_<1-x>Te_x)_<0.92>(x=0.75, 1)の反強磁性気揺らぎ (2009)
  • Author(s): 飯久保智
  • Organizer: 2009年度第3回材料研究会・九州西日本支部合同研究会
  • Place of Presentation: 九州工業大学
  • Year and Date: 2009-12-22
• [Presentation] 第一原理計算を利用した合金系の比熱導出の試み (2009)
  • Author(s): 飯久保智、西尾一政、大谷博司、長谷部光弘
  • Organizer: 2009年日本金属学会秋季大会
  • Place of Presentation: 京都大学
  • Year and Date: 2009-09-17
• [Presentation] 第一原理計算を利用した合金系の比熱導出の試み (2009)
  • Author(s): 飯久保智、西尾一政、大谷博司、長谷部光弘
  • Organizer: 日本金属学会
  • Place of Presentation: 京都大学
  • Year and Date: 2009-09-17
• [Presentation] Neutron scattering study of Fe(Se_<1-x>Te_x)0.92(x=0.75,1) (2009)
  • Author(s): S.Iikubo, M.Fujita, S.Niitaka, H.T akagi, H.Ohtani, M.Hasebe
  • Organizer: M2S-IX
  • Place of Presentation: 東京
  • Year and Date: 2009-09-09
• [Presentation] Neutron scattering study of Fe(Se_<1-x>Te_x)_<0.92>(x=0.75, 1) (2009)
  • Author(s): S. likubo, M. Fujita, S. Niitaka, H. Takagi, H. Ohtani, M. Hasebe
  • Organizer: M2S-IX
  • Place of Presentation: Tokyo
  • Year and Date: 2009-09-09
• [Remarks] ホームページ等