Searches and Investigations of Superconductors with Exotic Pairings

• Project/Area Number: 16076210
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Kyoto University
• Principal Investigator: YOSHIMURA Kazuyoshi Kyoto University, 大学院・理学研究科, 教授 (70191640)
• Co-Investigator(Kenkyū-buntansha): 前野 悦輝 京都大学, 大学院・理学研究科, 教授 (80181600) ; 山田 耕作 立命館大学, 理工学部, 講師 (90013515)
• Project Period (FY): 2004 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥47,000,000 (Direct Cost: ¥47,000,000); Fiscal Year 2008: ¥9,400,000 (Direct Cost: ¥9,400,000); Fiscal Year 2007: ¥9,400,000 (Direct Cost: ¥9,400,000); Fiscal Year 2006: ¥9,400,000 (Direct Cost: ¥9,400,000); Fiscal Year 2005: ¥9,400,000 (Direct Cost: ¥9,400,000); Fiscal Year 2004: ¥9,400,000 (Direct Cost: ¥9,400,000)
• Keywords: エキゾチックペアリング / 磁性超伝導 / フラストレーション / スピン三重項 / 電子相関 / 遷移金属酸化物 / 三角格子 / スピンの揺らぎ / 層状化合物 / 磁気揺らぎ / 核磁気共鳴 / 量子臨界点 / 核磁気緩和 / エキゾチック・ペアリング / 高温超伝導 / エキゾティックペアリング

Research Abstract

強い磁気相互作用を媒介とした新たな超伝導発現機構を持ったスピン一重項d波やスピン三重項状態p波・f波のクーパー対対称性を有したエキゾチック・ペアリング超伝導体の探索合成・物性評価を行い、その理論的解明を目的に研究を行うことによって水を層間に挟んだコバルト酸化物系の超伝導や銅酸化物高温超伝導体および様々な関連物質におけるエキゾチック超伝導の振る舞いを実験的、理論的に明らかにすることができた。

Research Products

• [Journal Article] Magnetic Anomalies of Hydrous Cobaltate Compound Na_x(H_3O)_zCoO_2・yH_2O Detected by NMR and NQR Measurements (2009)
  • Author(s): Y. Ihara, K. Yoshimura, (6名省略)
  • Journal Title: Phys. Rev. B 79
  • Peer Reviewed
• [Journal Article] Anomalous Magnetization in the Layered Itinerant Ferromagnet LaCoAsO (2009)
  • Author(s): H. Ohta, K. Yoshimura
  • Journal Title: Phys. Rev. B 79
  • Peer Reviewed
• [Journal Article] Critical Slowing Down of Triangular Lattice Spin-3/2 Heisenberg Antiferromagnet Li_7RuO_6 via ^7Li NMR (2009)
  • Author(s): Y. Itoh, C. Michioka, K. Yoshimura, K. Nakajima, H. Sato
  • Journal Title: J. Phys. Soc. Jpn 78
  • NAID: 110007097894
  • Peer Reviewed
• [Journal Article] Magnetic Anomalies of Hydrous Cobaltate Compound Na_x(H_30)_2Co0_2 yH_2O Detected by NMR and NQR Measurements (2009)
  • Author(s): Y. Ihara, H. Takeya, K. Ishida, K. Yoshimura, K. Takada, T. Sasaki, H. Sakurai. E. Takayama-Muromachi
  • Journal Title: Phys. Rev. B 79
  • Peer Reviewed
• [Journal Article] ^<59>Co, ^<23>Na, and ^1H NMR Studies of Double-Layer Hydrated Superconductors Na_xCoO_2・yH_2O (2008)
  • Author(s): Y. Itoh, K. Yoshimura, (3名省略)
  • Journal Title: Adv. in Solid State Phys. 47 Pages: 329-341
  • Peer Reviewed
• [Journal Article] Emergence of Antiferromagnetic Correlation in LiTi_<2-x>V_xO_4 via ^7Li NMR (2008)
  • Author(s): Y. Itoh, K. Yoshimura, (1名省略)
  • Journal Title: J. Phys. Soc. Jpn. 77(12)
  • NAID: 110007021660
  • Peer Reviewed
• [Journal Article] Novel Critical Exponent of Magnetization Curves near the Ferromagnetic Quantum Phase Transitions of Sr_<1-x>A_xRuO_3 (A = Ca, La_<0.5>Na_<0.5>, and La) (2008)
  • Author(s): Y. Itoh, K. Yoshimura, (1名省略)
  • Journal Title: J. Phys. Soc. Jpn. 77(12)
  • NAID: 110007021649
  • Peer Reviewed
• [Journal Article] Co-NMR Measurements on Crystalline Sample of the Bilayere Hydrate Na_x(H_3O)_zCoO_2 . yH_2O (2008)
  • Author(s): Y. Ihara, K. Yoshimura, (2名省略)
  • Journal Title: J. Phys. Soc. Jpn. 77(7)
  • NAID: 110006821283
  • Peer Reviewed
• [Journal Article] Possible Collective Spin Excitation in the Spin-Triplet Superconducting State of Sr2RuO4 : Multi-Band Theory (2008)
  • Author(s): T. Nomura, D. S. Hirashima, K. Yamada
  • Journal Title: J. Phys. Soc. Jpn. 77(2) Pages: 24701-10
  • NAID: 130005436356
  • Peer Reviewed
• [Journal Article] Specific Heat and Electronic States of Superconducting Boron-Doped Silicon Carbide (2008)
  • Author(s): M. Kriener, Y. Maeno, (5名省略)
  • Journal Title: Phys. Rev. B. 78 Pages: 24517-24517
  • Peer Reviewed
• [Journal Article] In-Plane Anisotropy of the Onset of Superconductivity in (TMTSF)_2ClO_4 (2008)
  • Author(s): S. Yonezawa, Y. Maeno, (6名省略)
  • Journal Title: Phys. Rev. Lett. 100 (11)
  • Peer Reviewed
• [Journal Article] ^<59>Co, ^<23>Na, and ^1H NMR Studies of Double-Layer Hydrated Superconductors Na_xCoO_2 - yH_2O (2008)
  • Author(s): Y. Itoh, H. Ohta, C. Michioka, M. Kato, K. Yoshimura
  • Journal Title: Adv. in Solid State Phys 47 Pages: 329-341
  • Peer Reviewed
• [Journal Article] Emergence of Antiferromagnetic Correlation in LiTi_<2-x>V_xO_4 via 7 LiNMR (2008)
  • Author(s): Y. Itoh, N. Moritsu, K. Yoshimura
  • Journal Title: J. Phys. Soc. Jpn 77
  • NAID: 110007021660
  • Peer Reviewed
• [Journal Article] Novel Critical Exponent of Magnetization Curves near the Ferromagnetic Quantum Phase Transitions of Sr_<1-x>A_xRuO_3 =Ca, La_0.5 Na_0.5, and La) (2008)
  • Author(s): Y: Itoh, T. Mizoguchi, K. Yoshimura
  • Journal Title: J. Phys. Soc. Jpn 77
  • NAID: 110007021649
  • Peer Reviewed
• [Journal Article] Co-NMR Measurements on Crystalline Sample of the BilayereHydrate Na_x(H_3O)_2CoO_2. Yh_2O (2008)
  • Author(s): Y: Ihara, K. Ishida, H. Ohta, K. Yoshimura
  • Journal Title: J. Phys. Soc. Jpn 77
  • Peer Reviewed
• [Journal Article] Synthesis and Magnetic Properties of Ni_3A1C_x (2008)
  • Author(s): B. Chen, C. Michioka, Y. Itoh, K. Yoshimura
  • Journal Title: J. Phys. Soc. Jpn. 77 Pages: 137081-4
  • Peer Reviewed
• [Journal Article] Synthesis, Structure, and Magnetic Properties of the Two-Dimensional Quantum Antiferromagnets (CuBr)A_2B_3O_<10> (A=Ca, Sr, Ba, Pb ; B=Nb, Ta) with the 1/3 Magnetization Plateau (2008)
  • Author(s): Y. Tsujimoto, H. Kageyama, Y. Baba, A. Kitada, T. Yamamoto, Y. Narumi, K. Kindo, M. Nishi, J. P. Carlo, A. A. Aczel, T. J. Williams, T. Goto, G. M. Luke, Y. J. Uemura, Y. Ueda, Y. Ajiro, K. Yoshimura
  • Journal Title: Phys. Rev. B 78
  • Peer Reviewed
• [Journal Article] Stability of the Infinite Layer Structure with Iron Square Planar Coordination (2008)
  • Author(s): C. Tassel, T. Watanabe,Y. Tsujimoto, N. Hayashi, A. Kitada, Y. Sumida, T. Yamamoto, H. Kageyama, M. Takaho, K. Yoshimura
  • Journal Title: J. Am. Chem. Soc. 130 Pages: 3764-3765
  • Peer Reviewed
• [Journal Article] Room-Temperature Synthesis of Manganese Oxide Monosheets (2008)
  • Author(s): K. Kai, Y. Yoshida, H. Kageyama, G. Saito, T. Ishigaki, J. Kawamata
  • Journal Title: J. Am. Chem. Soc 130 Pages: 15938-15943
  • Peer Reviewed
• [Journal Article] In-Plane Ferromagnetic Spin Fluctuations in Novel Superconducting System Na_xCoO_2・yH_2O (2007)
  • Author(s): K. Yoshimura, (3名省略)
  • Journal Title: J. Magn. & Magn. Mater. 310 Pages: 693-695
  • Peer Reviewed
• [Journal Article] Site-Selective ^<63>Cu NMR Study of the Vortex Cores of Tl_2Ba_2CuO (2007)
  • Author(s): Y. Itoh, K. Yoshimura, (3名省略)
  • Journal Title: J. Phys. Chem. Solid 68 Pages: 2031-2034
  • Peer Reviewed
• [Journal Article] Theory of Intrinsic Anomalous Hall Effect in Ferromagnetic Metals on the Multi d-Orbital Tight-Binding Model (2007)
  • Author(s): H. Kontani, T. Tanaka, K. Yamada
  • Journal Title: Phys. Rev. B. 75 Pages: 184416-11
  • Peer Reviewed
• [Journal Article] Quantum Critical Behavior in Superconducting Na_x(H_3O)_zCoO_2・yH_2O observed in a High - Field Co NMR Experiment (2007)
  • Author(s): Y. Ihara, K. Yoshimura, (8名省略)
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] ^<125>Te NMR Studies of Single-Crystal CeTe_3 (2007)
  • Author(s): H. Chudo, K. Yoshimura, (2名省略)
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] Phase Separation and Suppression of Critical Dynamics at Quantumphase Transitions of MnSi and (Srl-xCax) RuO3 (2007)
  • Author(s): Y. J. Uemura, T. Goto, I. M. Gat-Malureanu, J. P. Carlo, P. L. Russo, A. T. Savici, A. Aczel, G. J. Macdougall, J. A. Rodriguez, G. M. Luke, S. R. Dunsiger, A. Mccollam, J. Arai, C. Pfleiderer, P. Boni, K. Yoshimura, E. Baggio-Saitovitch, M. B. Fontes, J. Larrea, Y. V. Sushko, J. Sereni
  • Journal Title: Nature Physics 3 Pages: 29-35
  • Peer Reviewed
• [Journal Article] Infinite-Layer Iron Oxide with a Square-Planar Coordination (2007)
  • Author(s): Y. Tsujimoto, C. Tassel, N. Hayashi, T. Watanabe, H. Kageyama, K. Yoshimura, M. Takano, M. Ceretti. C. Ritter, W. Paulus
  • Journal Title: Nature 450 Pages: 1062-1065
  • Peer Reviewed
• [Journal Article] Orbital Properties of Sr3Ru207 and Related Ruthenates Probed by 170 NMR (2007)
  • Author(s): K. Kitagawa, K. Ishida, R. S. Perry, H. Murakawa, K. Yoshimura, Y. Maeno
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] Quantum Critical Behavior in Superconducting Nax (H30) zCo02・yH20 observed in a High-Field Co NMR Experiment (2007)
  • Author(s): Y. Ihara, H. Takeya, K. Ishida, C. Michioka, K. Yoshimura, K. Takada, T. Sasaki, H. Sakurai, E. Takayama-Muromachi
  • Journal Title: Phys. Rev. B 75 Pages: 212506-212506
  • Peer Reviewed
• [Journal Article] 125Te and 139La NMR Studies of Single Crystal LaTe3 (2007)
  • Author(s): H. Chudo, C. Michioka, Y. Itoh, K. Yoshimura
  • Journal Title: J. Phys. Soc. Jpn 76 Pages: 123708-123708
  • NAID: 130005296713
  • Peer Reviewed
• [Journal Article] 125Te NMR Studies of Single-Crystal CeTe3 (2007)
  • Author(s): H. Chudo, C. Michioka, Y. Itoh, K. Yoshimura
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] Phase Separation and Suppression of Critical Dynamics at Quantumphase Transitions of MnSi and (Sr1-xCax)Ru03 (2007)
  • Author(s): Y.J.Uemura
  • Journal Title: Nature Physics 3 Pages: 29-35
• [Journal Article] In-Plane Ferromagnetic Spin Fluctuations in Novel Superconducting System NaxCo02・yH2O (2007)
  • Author(s): K.Yoshimura
  • Journal Title: Journal of Magnetism and Magnetic Materials 310 Pages: 693-695
• [Journal Article] Bi and Sr Substitution Effects on the Spin-Gap System Pb_2V_3O_9 (2006)
  • Author(s): T. Waki, K. Yoshimura, (3名省略)
  • Journal Title: Phys. Rev. B 73
  • Peer Reviewed
• [Journal Article] ^<59>Co Nuclear Quadrupole Resonance Studies of Superconducting and Nonsuperconducting Bilayer Water Intercalated Sodium Cobalt Oxides Na_xCoO_2・yH_2O (2006)
  • Author(s): C. Michioka, K. Yoshimura, (2名省略)
  • Journal Title: J. Phys. Soc. Jpn. 75(6)
  • Peer Reviewed
• [Journal Article] Spin Gap in Tl_2Ru_2O_7 and the Possible Formation of Haldane Chains in Three-Dimensional Crystals (2006)
  • Author(s): S. Lee, K. Yoshimura, (10名省略)
  • Journal Title: Nature Materials 5 Pages: 471-476
  • Peer Reviewed
• [Journal Article] Nearly Free Electrons in the Layered Oxide Superconductor (2006)
  • Author(s): M. Sutherland, Y. Maeno, (3名省略)
  • Journal Title: Phys, Rev. Lett. 96
  • Peer Reviewed
• [Journal Article] Possible Spin Triplet Superconductivity in Na_xCoO_2・yH_2O-^<59>Co NMR Studies (2006)
  • Author(s): M. Kato, K. Yoshimura, (8名省略)
  • Journal Title: J. Phys. : Condens. Mat. 18 Pages: 669-682
  • Peer Reviewed
• [Journal Article] Unconventional Superconductivity Induced by Quantum Critical Fluctuations in Hydrate Cobaltate Na_x(H_3O)_zCoO_2. yH_2O -Relationship between Magnetic Fluctuations and Superconductivity Revealed by Co Nuclear Quadrupole Resonance- (2006)
  • Author(s): Y. Ihara, K. Yoshimura, (8名省略)
  • Journal Title: J. Phys. Soc. Jpn. 75(12)
  • Peer Reviewed
• [Journal Article] Anisotropic Behavior of Knight Shift in Superconducting State of Na_xCoO_2 . yH_2O (2006)
  • Author(s): Y. Ihara, K. Yoshimura, (9名省略)
  • Journal Title: J. Phys. Soc. Jpn. 75(1)
  • NAID: 110003482820
  • Peer Reviewed
• [Journal Article] Study of Superconducting Transition Temperature in d-p Model on Basis of Perturbation Theory (2006)
  • Author(s): S. Shinkai, H. Ikeda, K. Yamada
  • Journal Title: J. Phys. Soc. Jpn. 75(10) Pages: 104712-6
  • NAID: 110004821525
  • Peer Reviewed
• [Journal Article] Possible Spin Triplet Superconductivity in NaxCoO2・yH2O-59CoNMR Studies (2006)
  • Author(s): M.Kato
  • Journal Title: J.Phys. : Condens. Mater 18 Pages: 669-682
• [Journal Article] Unconventional Superconductivity Induced by Quantum Critical Fluctuations in Hydrate Cobaltate Nax(H3O)zCoO2・yH2O (2006)
  • Author(s): Y.Ihara
  • Journal Title: J.Phys.Soc.Jpn. 75(12)
• [Journal Article] 59Co Nuclear Quadrupole Resonance Studies of Superconducting and Nonsuperconducting Bilayer Water Intercalated Sodium Cobalt oxides NaxCoO2・yH2O (2006)
  • Author(s): C.Michioika
  • Journal Title: J.Phys.Soc.Jpn. 75(6) Pages: 63701-63704
• [Journal Article] Spin Gap in T12Ru207 and the Possible Formation of Haldane Chains in Three-Dimensional Crystals (2006)
  • Author(s): S.Lee
  • Journal Title: Nature Materials 5 Pages: 471-476
• [Journal Article] Possible Spin Triplet Superconductivity in Na_xkCoO_2・_yH_2O-^<59>CoNMR Studies (2006)
  • Author(s): M.Kato
  • Journal Title: J.Phys. : Cond.Mat. 18 Pages: 669-682
• [Journal Article] Anisotropic Behavior of Knight Shift in Superconducting State of Na_xkCoO2-yH_2O (2006)
  • Author(s): Y.Ihara
  • Journal Title: J.Phys.Soc Jpn. 75・1
• [Journal Article] Nearly Free Electrons in the Layered Oxide Superconductor Ag5Pb2O6 (2006)
  • Author(s): Mike Sutherland
  • Journal Title: Phys.Rev.Lett. 96
• [Journal Article] Universality in Heavy Fermion Systems with General Degeneracy (2005)
  • Author(s): N. Tsujii, K. Yoshimura, (1名省略)
  • Journal Title: Phys. Rev. Lett. 94(5)
  • Peer Reviewed
• [Journal Article] Novel Phase Diagram of Superconductor NaxCoO_2・yH_2O in 75% Relative Humidity (2005)
  • Author(s): H. Ohta, K. Yoshimura, (2名省略)
  • Journal Title: J. Phys. Soc. Jpn. 74(12) Pages: 3147-3150
  • Peer Reviewed
• [Journal Article] ^<17>O NMR Measurements on Superconducting Na_<0.35>CoO_2・yH_2O (2005)
  • Author(s): Y. Ihara, K. Yoshimura, (7名省略)
  • Journal Title: J. Phys. Soc. Jpn. 74(8) Pages: 2177-2180
  • NAID: 110001979685
  • Peer Reviewed
• [Journal Article] Weak Magnetic Order in Bilayered-Hydrate Na_xCoO_2・yH_2O Structure Probed by Co Nuclear Quadrupole Resonance -Proposed Phase Diagram in Superconducting Na_xCoO_2・yH_2O- (2005)
  • Author(s): Y. Ihara, K. Yoshimura, (7名省略)
  • Journal Title: J. Phys. Soc. Jpn. 74(3) Pages: 867-870
  • NAID: 110001979459
• [Journal Article] Novel Phase Diagram of Superconductor Na_xCoO_2_yH_2O in 75% Relative Humidity (2005)
  • Author(s): H.Ohta
  • Journal Title: J.Phys.Soc Jpn. 74・12 Pages: 3147-3150
• [Journal Article] Fourth Order Perturbation Theory for Normal Self-energy in Repulsive Hubbard Model (2005)
  • Author(s): Shogo Shinkai
  • Journal Title: J.Phys.Soc.Jpn. 74・9 Pages: 2592-2597
• [Journal Article] Possible Pairing Symmetry of Three-dimensional Superconductor UPt3-Analysis Based on a Microscopic Calculation (2005)
  • Author(s): Shogo Shinkai
  • Journal Title: J.Phys.Soc.Jpn. 74・6 Pages: 1811-1817
• [Journal Article] Nonlinear Temperature Dependence of Resistivity in Single Crystal Ag_5Pb_2O_6 (2004)
  • Author(s): S.Yonezawa
  • Journal Title: Phys.Rev.B 70
• [Journal Article] Possible Pairing Symmetry of Superconductor Na_xCoO_2・yH_2O (2004)
  • Author(s): Y.Nisikawa
  • Journal Title: J.Phys.Soc.Jpn. 73(5) Pages: 1127-1130
• [Journal Article] Correlation between Superconducting Transition Temperature Tc and Increase of Nuclear Spin-Lattice Relaxation Rate Devided by Temperature 1/T_1T at T_c in the Hydrate Cobaltate Na_xCoO_2・yH_2O (2004)
  • Author(s): Y.Ihara
  • Journal Title: J.Phys.Soc.Jpn. 73(8) Pages: 2069-2072
• [Journal Article] Perturbation Analysis of Superconductivity in the Trellis-Lattic (2004)
  • Author(s): S.Sasaki
  • Journal Title: J.Phys.Soc.Jpn. 73(10) Pages: 2822-2828
• [Journal Article] Magnetic Fluctuations in the Metallic State of Na_<0.7>CoO_2 Revealed by ^<23>Na Nuclear Magnetic Resonance (2004)
  • Author(s): Y.Ihara
  • Journal Title: J.Phys.Soc.Jpn. 73(11) Pages: 2963-2966
• [Journal Article] Observation of Bose-Einstein Condensation of Triplons in Quasi 1D Spin-Gap System Pb_2V_3O_9 (2004)
  • Author(s): T.Waki
  • Journal Title: J.Phys.Soc.Jpn. 73(12) Pages: 3435-3438
• [Presentation] LiCoO_2を出発物質とする含水コバルト酸化物の研究 (2009)
  • Author(s): 森下翔, 太田寛人, 吉村一良
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
  • Year and Date: 2009-03-28
• [Presentation] NdB_4 の^<11>B NMR (2009)
  • Author(s): 道岡千城, 吉村一良, 野口亮, 綿貫竜太, 鈴木和也
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
  • Year and Date: 2009-03-28
• [Presentation] S=1/2一次元結合交替鎖Pb_2V_3O_9の磁気相図 (2009)
  • Author(s): 那波和宏, 道岡千城, 伊藤豊, 吉村二良
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
  • Year and Date: 2009-03-27
• [Presentation] Ni_3AIB_xの遍歴電子磁性に関する研究 (2009)
  • Author(s): 陳斌, 太田寛人, 道岡千城, 伊藤豊, 吉村一良
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
  • Year and Date: 2009-03-27
• [Presentation] Low-Temperature Reducing Chemistry : Synthesis of InfiniteLaver SrFeO_2 (2008)
  • Author(s): K. Yoshimura
  • Organizer: 10th KAIST-KYOTO Chemistry Symposium
  • Place of Presentation: Dream Hall, Jung Moon Soul Building KAIST, Korea
  • Year and Date: 2008-12-11
• [Presentation] Substitution and Intercalation Effects on Ni_3Al (2008)
  • Author(s): B. Chen, C. Michioka, Y. Itoh, K. Yoshimura
  • Organizer: 10th KAIST-KYOTO Chemistry Symposium
  • Place of Presentation: Dream Hall, Jung Moon Soul Building KAIST, Korea
  • Year and Date: 2008-12-11
• [Presentation] Low-Temperature Reducing Chemistry : Synthesis of Infinite Layer SrFeO_2 (2008)
  • Author(s): K. Yoshimura
  • Organizer: First Symposium on E-JUST Curricula Development, Research and Innovation Directions, Bibliotheca Alexandrina
  • Place of Presentation: Bibliotheca Alexandrina
  • Year and Date: 2008-11-25
• [Presentation] 遍歴強磁性体Ni_3AlのAlサイト置換と軽元素ドープにおける量子臨界点近傍の物性 (2008)
  • Author(s): 道岡千城, 陳斌, 伊藤豊, 吉村一良, 楊金虎, 方明虎
  • Organizer: 2008年日本物理学会秋季大会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-21
• [Presentation] 超伝導体Na_xCoO_2・yH_20の^<59>Co NQRによる研究 (2008)
  • Author(s): 太田寛人, 道岡千城, 伊藤豊, 吉村一良
  • Organizer: 2008年日本物理学会秋季大会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-21
• [Presentation] Sr_<1-x>A_xRuO_3の強磁性量子相転移 (2008)
  • Author(s): 伊藤豊, 溝口高央, 吉村一良
  • Organizer: 2008年日本物理学会秋季大会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-21
• [Presentation] パイロクロア酸化物Pb_2Re_20_7の物性と置換効果 (2008)
  • Author(s): 片岡祐亮, 道岡千城, 伊藤豊, 山本直一
  • Organizer: 2008年日本物理学会秋季大会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-21
• [Presentation] Ni_3Al_<1-x>Si_xNi_3AlSi_xの遍歴電子磁性に関する研究 (2008)
  • Author(s): 陳斌, 道岡千城, 伊藤豊
  • Organizer: 2008年日本物理学会秋季大会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-21
• [Presentation] Cr_<1-x>V_xBにおけるNMRを用いた電子相関の研究 (2008)
  • Author(s): 谷澤篤志, 道岡千城, 伊藤豊
  • Organizer: 2008年日本物理学会秋季大会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-21
• [Presentation] 単結晶Cr1-xMoxB2の11B NMR (2008)
  • Author(s): 道岡千城, 伊藤豊, 吉村一良, 嘉屋絵美, 高阪勇輔 秋光純
  • Organizer: 第63回日本物理学会年次大会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-26
• [Presentation] Low-Temperature Reducing Chemistry : Synthesis of Infinite Layer SrFeO_2 (2008)
  • Author(s): K. Yoshimura
  • Organizer: First Symposium on E-JUST Curricula Development, Research and Innovation Directions
  • Place of Presentation: Bibliotheca Alexandrina, Alexandria, Egypt
• [Presentation] Low-Temperature Reducing Chemistry : Synthetic Conditions of SrFeO_2. (2008)
  • Author(s): C. Tassel, Y. Tsujimoto, T. Watanabe, Kageyama, K. Yoshimura
  • Organizer: The 10th International Conference on Ferrites
  • Place of Presentation: Chengdu, China
• [Presentation] Quantum Critical Behaviors in Itinerant 2D-Spin Systems. (2007)
  • Author(s): K. Yoshimura
  • Organizer: International Conference on Magnetic Materials 2007
  • Place of Presentation: Saha Institute of Nuclear Physics, Kolkata, India
  • Year and Date: 2007-12-14
• [Presentation] NMR and NQR Studies of Na_xCoO_2 . yH_2O. (2007)
  • Author(s): K. Yoshimura
  • Organizer: The Gordon Godfrey Workshop 2007
  • Place of Presentation: School of Physics The University of New South Wales Sydey, Australia
  • Year and Date: 2007-09-25
• [Presentation] Low Energy Magnetic Excitations in Triangular-Lattice Superconducting System NaxCo02・yH20 (2007)
  • Author(s): K. Yoshimura
  • Organizer: 10th Asia Pacific Physics Conference (APPC10)
  • Place of Presentation: The International house of POSTECHin Pohang, Korea
  • Year and Date: 2007-08-22
• [Presentation] NMR Study of the 2D-Triangular-Lattice Superconducting System Na_xCoO_2・yH_2O. (2007)
  • Author(s): K. Yoshimura
  • Organizer: Mobile Fermions and Bosons on Frustrated Lattices 2007
  • Place of Presentation: Max Planck Instit Dresden, Germany
• [Presentation] Low Energy Magnetic Excitations in Triangular-Lattice Superconducting System Na_xCoO_2・yH_2O. (2007)
  • Author(s): K. Yoshimura
  • Organizer: The 10th Asia Pacific Physics Conference
  • Place of Presentation: POSCO International Center, POSTECH, Pohang, Korea
• [Presentation] Phase Diagram and In-Plane Spin Fluctuation in Novel Superconducting System, Na_xCo_2・yH_2O. (2007)
  • Author(s): K. Yoshimura
  • Organizer: German Physical Society 2007
  • Place of Presentation: Regensburg, Germany
• [Presentation] Superconductivity in Diamond, Silicon, and SiC (2007)
  • Author(s): Y. Maeno
  • Organizer: UK-Japan Workshop, 2007
  • Place of Presentation: Edinburgh, Scotland, UK.
• [Presentation] ^<23>Na NMR Study of In-Plane Ferromagnetic Spin Fluctuations in Superconducting System Na_xCoO_2・yH_2O. (2006)
  • Author(s): K. Yoshimura, H. Ohta, C. Michioka, Y. Itoh
  • Organizer: First International Workshop on the Physical Properties of Lamellar Cobaltates
  • Place of Presentation: Universite Paris -Sud, 91405, ORSAY France
• [Presentation] Preparation and NMR Studies of Non-Super and Superconducting Na_xCoO_2・yH_2O. (2005)
  • Author(s): K. Yoshimura
  • Organizer: 4th Asia-Pacific Workshop on Strongly Correlated Systems Novel Quantum Phenomena in Emergent Materials
  • Place of Presentation: Beijing, China
• [Presentation] Newly Discovered Superconductivity in the Layered Silver Oxide Ag_5Pb_2O_6 (2005)
  • Author(s): Y. Maeno
  • Organizer: International Workshop on Novel Electronic Materials
  • Place of Presentation: University of Kentucky, Lexington, KY、USA
• [Book] 相関の強い電子系の理論の進展(「基礎物理学の現状と未来」-学問の系譜・湯川・朝永をうけて-) (2008)
  • Author(s): 山田耕作
  • Publisher: 基礎物理学研究所出版
• [Book] 第5版 実験化学講座8 (2006)
  • Author(s): 吉村一良
  • Publisher: 丸善株式会社
• [Book] 実験化学講座8 NMR・ESR(第5版)(共著) : 4.4.1核四重極共鳴(NQR) 5.4.2銅酸化物高温超伝導体および関連物質 pp.222-227、pp.364-378) (2006)
  • Author(s): 吉村一良
  • Total Pages: 19
  • Publisher: 丸善