Outcome

 

<原著論文>

  1. 1. S. Fujiyama, K. Ohashi, H. Ohsumi, K. Sugimoto, T. Takayama, T. Komesu, M. Takata, T. Arima, and H. Takagi, “Weak antiferromagnetism of Jeff=1/2 band in bilayer iridate Sr3Ir2O7”, Phys. Rev. B, 86, 174414 (2012).

  2. 2. S. Fujiyama, H. Ohsumi, T. Komesu, J. Matsuno, B.J. Kim, M. Takata, T. Arima, and H. Takagi, “Two-Dimensional Heisenberg Behavior of Jeff=1/2 Isospins in the Paramagnetic State of the Spin-Orbit Mott Insulator Sr2IrO4”, Phys. Rev. Lett. 108, 247212 (2012).

  3. 3.S. Fujiyama, A. Shitade, K. Kanoda, Y. Kosaka, H.M. Yamamoto, and R. Kato, “Suppression of electronic susceptibility in metal-Mott insulator alternating material, (Me-3,5-DIP)[Ni(dmit)2]2”, Phys. Rev.B rapid. comm. 77 060403(R)(2008).

  4. 4.F. Iwase, K. Miyagawa, S. Fujiyama, K. Kanoda, S. Horiuchi, and Y. Tokura, “Neutral-Ionic phase transition in DMTTF-QCl4 investigated by 35Cl NQR”, J. Phys. Soc. Jpn. 76, 073701 (2007).

  5. 5. S. Fujiyama, M. Takigawa, J. Kikuchi, H-B. Cui, H. Fujiwara, and H. Kobayashi, “Compensation of Local Field in Field-induced Superconductor k-(BETS)2FeBr4 Observed by 77Se NMR”, Phys. Rev. Lett. 96, 217001 (2006).

  6. 6. S. Fujiyama and T. Nakamura, “Redistribution of Electronic Charges in Spin-Peierls State in (TMTTF)2AsF6 Observed by 13C NMR”, J. Phys. Soc. Jpn. 75, 014705 (7) (2006).

  7. 7. S. Fujiyama, M. Takigawa, J. Kikuchi, K. Kodama, T. Nakamura, E. Fujiwara, and H. Fujiwara, H-B. Cui, and H. Kobayashi, “Nuclear spin-lattice relaxation in k-(BETS)2FeBr4”, Synth. Met. 154, 253-256 (2005).

  8. 8.S. Fujiyama and T. Nakamura, “13C NMR spectral study of Q1D organic conductor (TMTTF)2AsF6”, J. Phys. IV France, 131, 33-38 (2005).

  9. 9. S. Fujiyama, T. Nakamura, Charge disproportionation in (TMTTF)2SCN observed by 13C NMR, Phys. Rev. B 70, 045102(6), (2004)

  10. 10. S. Nishihara, T. Akutagawa, T. Hasegawa, Takayoshi Nakamura, S. Fujiyama, Toshikazu Nakamura, Magnetic and 1H-NMR Spectroscopic Studies of [Ph(NH3)](18-crown-6)[Ni(dmit)2] Having Molecular Spin Ladder Structure, Synth. Met.137, 1279-1280, (2003).

  11. 11. S. Fujiyama, M. Takigawa, T. Suzuki, N. Yamada, S. Horii, Y. Yamada, Spin dynamics and antiferromagnetic order in PrBa2Cu4O8 studied by Cu nuclear resonance, Phys. Rev. B rapid comm. 67, 060404(R)(4)(2003)

  12. 12. S. Fujiyama, T. Nakamura, NMR investigation of (TMTTF)2Br: charge configurations and spin dynamics, Synth. Met. 133-134, 67-68, (2003).

  13. 13. S. Fujiyama, M. Takigawa, S. Horii, Charge Freezing in the Zig-zag Chain Cuprate PrBa2Cu4O8 Observed by Cu Nuclear Quadrupole Resonance, Phys. Rev. Lett. 90, 147004 (2003).

  14. 14. S. Fujiyama, M. Takigawa, S. Horii, N. Motoyama, H. Eisaki, S. Uchida, NMR observation of charge fluctuations in quasi-one-dimensional cuprates, J. Phys. Chem. Solids, 63, 1119-1122, (2002).

  15. 15. S. Fujiyama, T. Nakamura, NMR study of charge localized states of (TMTTF)2Br, J. Phys. Chem. Solids, 63, 1259-1261, (2002).

  16. 16. S. Nishihara, T. Akutagawa, T. Hasegawa, S. Fujiyama, Toshikazu Nakamura and Takayoshi Nakamura, Two Polymorphs of (Alminium)(18-crown-6)[Ni(dmit)2]:Structure and Magnetic Properties, J. Solid State Chem. 168, 661-667, (2002).

  17. 17. S. Fujiyama, M. Takigawa, N. Motoyama, H. Eisaki, S. Uchida, Low energy spin excitations in Sr14-xCaxCu24O41, Physica C, 341-348, 461-462, (2000).

  18. 18. S. Fujiyama, M. Takigawa, N. Motoyama, H. Eisaki, S. Uchida, Spin Correlations in Hole-Doped Spin Ladder Materials, J. Phys. Soc. Jpn. 69, 46-53 (2000).

  19. 19. S. Fujiyama, M. Takigawa, N. Motoyama, H. Eisaki, S. Uchida, Nuclear Spin Relaxation in Hole Doped Two-Leg Ladders, J. Phys. Soc. Jpn. 69, 1610-1613 (2000).

  20. 20. S. Fujiyama, M. Takigawa, Y. Ueda, T. Suzuki, N. Yamada, Nuclear spin-spin coupling in La2-xSrxCuO4 studied by stimulated echo decay, Phys. Rev. B60, 9801-9809 (1999).

  21. 21. S. Fujiyama, Y. Itoh, H. Yasuoka, Y. Ueda, Anomalous Spin Excitation in the Metallic State of La2-xSrxCuO4 Observed by Cu NQR, J. Phys. Soc. Jpn. 66, 2864-2869(1997).


<解説>

藤山茂樹、瀧川仁、本山直樹、永崎洋、内田慎一、Sr14-xCaxCu24O41におけるCuおよびO核NMR「物性研究」72, 466-469 (1999).

International conferences (oral presentation)


  1. 1.Physics, Chemistry and Biology of Complex Systems, 2012. 11, Kazan, Russia

  2. 2.New Frontiers of Low Temperature Physics, 2011. 8, Daejeong, Korea

  3. 3.Highly Frustrated Magnetism 2010, 2010. 7, Baltimore, USA

  4. 4.Workshop on Emergent Phenomena of Correlated Materials, 2009. 12, Japan

  5. 5.Joint European Japanese Conference: Frustration in Condensed Matter, 2009. 5. Lyon, France

  6. 6.Workshop on Inelastic Neutron and X-Ray Scattering in Strongly Correlated Electron Systems
    “Magnetic X-ray scattering of spin-orbital strongly coupled antiferromagnet, Sr2IrO4”, 2008.10 Sendai, invited

  7. 7.International Workshop on Quantum Critical Phenomena and Novel Phases in Superclean Materials, 2009. 1 Hawaii, USA, invited.

  8. 8.Hong-Kong Forum of Physics, 2008. 12 Hong-Kong, invited.

  9. 9.International Symposium on Crystalline Organic Metals, Superconductors, and Magnetism
    "Microscopic estimation of antiferromagnetic correlation between pi-electrons and local moments in FISC:k-(BETS)2FeBr4" 2005.9, USA, invited.

  10. 10.International Workshop on ELECTRONIC CRYSTALS "13C NMR spectral study of quasi-one-dimensional organic conductor (TMTTF)2AsF6", Cargese, France, 2005.8

  11. 11.American Physical Society Meeting, "Redistribution of electronic charges in the spin-Peierls state in (TMTTF)2AsF6 observed by 13C NMR", Los Angeles, California, 2005.3

  12. 12."Franco-Japanese Meeting on High magnetic Fields", ISSP, Univ. Tokyo
    "NMR studies of the  field-induced superconductivity in organic conductors" 2004. 12, invited.

  13. 13.American Physical Society Meeting"13C NMR study of the charge ordering in Q1D (TMTTF)2SCN", Austin, Texas, 2003.3

  14. 14.China-Japan Joint Symposium on Conduction and Photoconduction in Organic Solids and Related Phenomena, "Charge disproportionation in (TMTTF)2Br" Guangzhou, China, 2001. 11, invited.

  15. 15.ISSP International Symposium, "Correlated Electrons", " NMR observation of charge fluctuations in quasi-one-dimensional cuprates", Kashiwa, Chiba, Japan , 2001. 8, invited.



国内会議招待講演

1.「フラストレーションが創る新しい物性」研究会「高輝度放射光で見た 5d 遷移金属酸化物の短距離磁気相関」2008.6理研

2.「スーパークリーンマテリアルズ」「高輝度放射光から見た遷移金属酸化物の磁気相関」2008.5東京大学

3.科研費特定領域「フラストレーションが創る新しい物性」研究会
「ハイパーカゴメNa4Ir3O8の磁気励起」2008.1京都大学

4.理化学研究所研究会
"Spin dynamics in the hyperkagome system" 2007.12

5.東北大学金属材料研究所「強磁場有機研究会」
「磁場誘起超伝導体k-(BETS)2FeBr4におけるπd相互作用の微視的評価」2006.10

6.科研費特定領域研究「有機導体」研究会
「有機物磁場誘起超伝導体のpi-d相互作用の微視的観測」2006.1

7.電気通信大学・物性セミナー
「擬一次元物質における電荷揺らぎ」2005.5

8.名古屋大学・理工科学総合研究センター学際共同研究シンポジウム
「電荷注入された強相関擬一次元鎖化合物の電子構造と電荷ダイナミクス」
「 NQRでみたPrBa2Cu4O8ジグザグ鎖における電荷遅延」2002.12

9.新プロ「新しい研究ネットワークによる電子相関系の研究」研究会
「擬一次元系有機導体のNMR」2002.7

10.愛知県立岡崎高等学校・文部科学省スーパーサイエンスハイスクールプロジェクト
「超伝導の世界」合計13時間の連続講演 2002年度

11.日本物理学会シンポジウム「CaB6の磁性」「NMRからのコメント」2000.9


外部資金 (主なもの)

文部科学省・科学研究費補助金　特定領域研究　平成22-23年度

文部科学省・科学研究費補助金　特定領域研究　平成20-21年度

　「圧力・不純物量で制御された量子スピン液体の安定性の研究」

文部科学省・科学研究費補助金　特定領域研究　平成20-21年度

　「三次元カゴメ格子の磁気励起と軌道液体状態」

文部科学省・科学研究費補助金　若手B　平成19-20年度

  「磁場誘起超伝導近傍の新奇電子相の解明」

文部科学省・科学研究費補助金　若手B　平成17-18年度

  「磁場誘起超伝導を示す有機導体における磁気相関の微視的研究」

文部科学省・科学研究費補助金　特別研究員奨励費　平成10-12年度

  「NMR法を用いた高温超伝導体におけるスピン拡散」

文部科学省・国際研究集会等派遣事業　平成15年度