List of recent publications

  1. Quantum spin dynamics studied by the nuclear magnetic relaxation of protons in the Haldane-gap system (CH3)4NNi(NO2)3
    T. Goto, T. Ishikawa, Y. Shimaoka, and Y. Fujii : Phys. Rev. B, 73 (2006) 214406 (11 pages). [to APS]
  2. Experimental Observation of the 1/3 Magnetization Plateau in the Diamond-Chain Compound Cu3(CO3)2(OH)2
    H. Kikuchi, Y. Fujii, M. Chiba, S. Mitsudo, T. Idehara, T. Tonegawa, K. Okamoto, T. Sakai, T. Kuwai, and H. Ohta : Phys. Rev. Lett., 94 (2005) 227201 (4 pages). [to APS]
  3. Field-induced magnetic order in the singlet-ground-state magnet CsFeCl3
    M. Toda, Y. Fujii, S. Kawano, T. Goto, M. Chiba, S. Ueda, K. Nakajima, K. Kakurai, J. Klenke, R. Feyerherm, M. Meschke, H. A. Graf, and M. Steiner : Phys. Rev. B, 71 (2005) 224426 (5 pages).
  4. NMR Study of Successive Phase Transitions in CuB2O4
    H. Nakamura, Y. Fujii, H. Kikuchi, M. Chiba, Y. Yamamoto, H. Hori, G. Petrakovskii, M. Popov, L. Bezmaternikh : The Physics of Metals and Metallography, 99, Suppl. 1 (2005) S15-S17.
  5. Magnetic Properties of [VO(µ3-MoO4)(2,2'-bpy)]: New Model Compound for S=1/2 Zigzag Frustrated One-Dimensional Magnet
    Hikomitsu Kikuchi, Yutaka Fujii, Meiro Chiba, Seitaro Mitsudo, Toshitaka Idehara : Polyhedron, 24 (2005) 2835-2838.
  6. NMR Study of Dinuclear Molecular Magnet MnIIICuII(5-Br-sap)2Cl(MeOH)
    Yutaka Fujii, Shinji Hayasaki, Hiroki Hashimoto, Meiro Chiba, Ayano Yoshida, Masayuki Nihei, Hiroki Oshio, Bin Chen, Takeji Kubo : Polyhedron, 24 (2005) 2885-2888.
  7. Magnetic properties of the diamond chain compound Cu3(CO3)2(OH)2
    H. Kikuchi, Y. Fujii, M. Chiba, S. Mitsudo, T. Idehara, T. Tonegawa, K. Okamoto, T. Sakai, T. Kuwai, K. Kindo, A. Matsuo, W. Higemoto, K. Nishiyama, M. Horvatic, C. Berthier : Prog. Theo. Phys. Suppl., 159 (2005) 1-10.
  8. High field ESR measurements of S=1/2 diamond chain substance Cu3(CO3)2(OH)2 at the magnetization plateau region
    S. Okubo, A. Taketani, H. Ohta, T. Kunimoto, Y. Inagaki, T. Saito, M. Azuma, M. Takano, H. Kikuchi : Prog. Theo. Phys. Suppl., 159 (2005) 10-16.
  9. Nuclear magnetic relaxation of proton in organic radial antiferromagnet BIPNNBNO around critical field region
    Yutaka Fujii, Hiroki Hashimoto, Atsushi Mori, Akihiro Tanaka, Meiro Chiba, Yuko Hosokoshi, Yoshiyuki Yamamoto and Hidenobu Hori : Prog. Theo. Phys. Suppl., 159 (2005) 118-122.
  10. NMR study of the successive phase transitions in CuB2O4
    Hironori Nakamura, Yutaka Fujii, Hikomitsu Kikuchi, Meiro Chiba, Yoshiyuki Yamamoto, Hidenobu Hori, Guerman Petrakovskii, Michail Popov and L. Bezmaternikh : Prog. Theo. Phys. Suppl., 159 (2005) 360-364.
  11. NMR study of S=1/2 quasi-two dimensional antiferromagnet Cs2CuBr4
    Y.Fujii, T.Nakamura, H.Kikuchi, M.Chiba, T.Goto, S.Matsubara, K.Kodama, M.Takigawa : Physica B, 346-347 (2004) 45-49.
  12. Ga-NMR study of pyrochlore slab antiferromagnets Ba2Sn2Ga10-7pZnCr7pO22
    H. Noda, Y. Fujii, H. Kikuchi, M. Chiba, Y. Yamamoto, H. Hori and N. Wada : J. Magn. Magn. Mater., 272-276 (2004) E1017-E1018.
  13. 11B-NMR in soliton lattice system CuB2O4
    H. Nakamura, Y. Fujii, H. Kikuchi and M. Chiba : J. Magn. Magn. Mater., 272-276 (2004) 1007-1008.
  14. NMR study of S=1/2 quasi-two-dimensional antiferromagnet Cs2CuBr4
    Y. Fujii, T. Nakamura, H. Kikuchi, M. Chiba, T. Goto, S. Matsubara, K. Kodama and M. Takigawa : J. Magn. Magn. Mater., 272-276 (2004) 861-862.
  15. 1H-NMR of S=1 antiferromagnets with bond alternation
    H. Yamamoto, H. Kikuchi, Y. Fujii and M. Chiba : J. Magn. Magn. Mater., 272-276 (2004) 894-895.
  16. High-field ESR measurements of the diluted pyrochlore slab antiferromagnets Ba2Sn2Ga10-7pZnCr7pO22
    S. Mitsudo, T. Higuchi, T. Idehara, H. Noda, Y. Fujii, H. Kikuchi and M. Chiba : J. Magn. Magn. Mater., 272-276 (2004) E1003-E1004.
  17. Experimental evidence of the one-third magnetization plateau in the diamond chain compound Cu3(CO3)2(OH)2
    H. Kikuchi, Y. Fujii, M. Chiba, S. Mitsudo, T. Idehara and T. Kuwai : J. Magn. Magn. Mater., 272-276 (2004) 900-901.
  18. Neutron diffraction study of the field-induced order in singlet-ground state magnet CsFeCl3
    M. Toda, Y. Fujii, M. Chiba, S. Kawano, T. Goto, J. Klenke, H. A. Graf and M. Steiner : J. Magn. Magn. Mater., 272-276 (2004) 378-379.
  19. High field ESR of the frustrated antiferromagnet Ba2Sn2Ga10-7pZnCr7pO22 on a pyrochlore slab
    H.Kikuchi, Y.Fujii, H.Noda, M.Chiba, T.Higuchi, S.Mitsudo, T.Idehara : J. Phys. Soc. Jpn., Suppl.B, 72, 117-121 (2003).
  20. 1H-NMR study of the 2D spin-gap system m-MPYNN• BF4
    Yutaka Fujii, Takao Goto, Wataru Fujita and Kunio Awaga : Physica B 329-333, 973-974 (2003).
  21. Magnetic properties of the frustrated diamond chain compound Cu3(CO3)2(OH)2
    Hikomitsu Kikuchi, Yutaka Fujii, Meiro Chiba, Seitaro Mitsudo, Toshitaka Idehara : Physica B 329-333, 967-968 (2003).
  22. High field ESR measurements of pyrochlore slab antiferromagnets Ba2Sn2Ga3+xZnCr7-xO22
    Tomoyuki Higuchi, Seitaro Mitsudo, Toshitaka Idehara, Hisashi Noda, Yutaka Fujii, Hikomitsu Kikuchi, Meirou Chiba : Physica B 329-333, 1044-1045 (2003).
  23. Nuclear magnetic relaxation of 1H in molecular cluster magnet V15
    H.Yoneda, T.Goto, Y.Fujii, B.Barbara, A.Mu"ller : Physica B 329-333, 1176-1178 (2003).
  24. 133Cs Nuclear Spin-Lattice Relaxation on Field Induced Two-Step Phase Transition in Singlet-Ground-State Antiferromagnet CsFeBr3
    Tsuyoshi Nakamura, Takayuki Ishida, Yutaka Fujii, Hikomitsu Kikuchi, Meiro Chiba, Takeji Kubo, Yoshiyuki Yamamoto, Hidenobu Hori : Physica B 329-333, 864-865 (2003).
  25. 1H-NMR on kagome lattice antiferromagnet m-MPYNN• BF4
    Yutaka Fujii, Takao Goto, Wataru Fujita and Kunio Awaga : Prog. Theo. Phys. Suppl. 145 (2002) 68.
  26. The observation of magnetization behavior of the nano-scale cluster magnet Mn12ac by 55Mn NMR
    T. Kubo, T. Koshiba, T. Goto, A. Oyamada, Y. Fujii, K. Takeda and K. Awaga : Physica B294-295 (2001) 310.
  27. Y. Fujii: (Doctoral Dissertation of Kyoto University)
    NMR Study on Organic Radical Antiferromagnets on Kagome Lattice and Distorted Kagome Lattice (2000).
  28. Nuclear Magnetic Relaxation of 1H in the Organic Radical Salts m-MPYNN+• ClO4- and m-MPYNN+• BF4-
    Yutaka Fujii, Takao Goto, Akira Oyamada, Tsunehisa Okuno and Kunio Awaga : J. Phys. Soc. Jpn. 69 (2000) 1294. [JPSJ Oline, Vol.69 No.5 (2000)]
  29. 55Mn NMR and relaxation studies on Mn12-acetate
    Takao Goto, Takeji Kubo, Takeshi Koshiba, Yutaka Fujii, Akira Oyamada, Jun'ichi Arai, Keiji Takeda and Kunio Awaga : Physica B 284-288 (2000) 1227.
  30. Proton spin-lattice relaxation in the critical field region of S=1 Haldane-gap system TMNIN
    Takao Goto, Yutaka Fujii, Yoshiyuki Shimaoka, Takuei Maekawa and Jun'ichi Arai : Physica B 284-288 (2000) 1611.
  31. Effect of Kennedy triplet on proton magnetic relaxation in impurity-doped NENP
    Takao Goto, Yutaka Fujii, Takuei Maekawa, Jun'ichi Arai and Kunihiko Murayama : Physica B 284-288 (2000) 1613.
  32. Proton spin-lattice relaxation in m-MPYNN+ X- (X=ClO4, BF4) at ultra low temperatures.
    Y. Fujii, T. Goto, K. Awaga, T. Okuno, Y. Sasaki and T. Mizusaki : J. Magn. Magn. Mater. 177-181 (1998) 991.
  33. Nuclear magnetic relaxation of 1H in organic cation radical salt m-MPYNN+ X- (X=ClO4, BF4).
    Y. Fujii, T. Goto, K. Awaga and T. Okuno : Czech. J. Phys. 46-S4 (1996) 2213.

    magnetic structure of m-MPYNN salt
    Exchange interactions between radicals in m-MPYNN+• X-. This compound can be regarded as a kagome antiferromagnet of dimers (S=1). This picture is taken from N. Wada et al.: J. Phys. Soc. Jpn. 66 (1997) 961.

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last update ; Apr. 2012