論文

• Shigeki Osugi, Y. Kitaoka, M. Azuma, Y. Fujishiro, M. Takano, T. Nagata, H. Fujino, J. Akimitsu. Cu NMR/NQR Studies on Magnetism in Impurity/Hole-Doped Spin-Ladder Compounds, Hyperfine Interactions,, Vol. 133, No. 1, pp. 157-162., 2001.
• S. Ohsugi, Y. Kitaoka, M. Azuma, Y. Fujishiro, M. Takano. Antiferromagnetic Long-Range Order in Ni-Doped Spin-Ladder Compound SrCu2O3, Physica B, Vol. 281&282, Page 665-666, 2000.
• S. Ohsugi, Y. Kitaoka, You Tokunaga, K. Ishida, M. Azuma, Y. Fujishiro, M. Takano. Impurity Effect of the Spin-Ladder System SrCu2O3, Physica B, Vol. 259-261, Page 1040-1041, 1999.
• S Ohsugi, Y. Tokunaga, K. Ishida, Y. Kitaoka, M. Azuma, Yoshie Fujishiro, M. Takano. Impurity-Induced Staggered Polarization and Antiferromagnetic Order in Spin-1/2 Heisenberg Two-Leg Ladder Compound SrCu2O3: Extensive Cu NMR and NQR Studies, Phys. Rev. B, Vol. 60, No. 6, Page 4181-4190, 1999.
• M. Azuma, Y. Fujishiro, M. Takano, M. Nohara, ひでのり たかぎ, S. Ohsugi, Y. Kitaoka, R.S. Eccleston. Impurity Effects on a Two-Leg Spin Ladder Compound SrCu2O3, J. Mag. Mag. Mat.,, Vol. 177-181, P, 655-656, 1998.
• M. Takano, M. Azuma, Y. Fujishiro, M. Nohara, H. Takagi, Naoki Fujiwara, H. Yasuoka, Shigeki Osugi, Y. Kitaoka, R.S. Eccleston. Impurity Effects on a 2-Leg Spin Ladder Compound SrCu2O3, Physica C, Vol. 282-287, PartⅠ, pp. 149-152, 1997.
• K. Ishida, Y. Kitaoka, Y. Tokunaga, S Matsumoto, K. Asayama, M. Azuma, Z. Hiroi, M. Takano. Spin Correlation and Spin Gap in Quasi-One-Dimensional Spin-1/2 Cuprate Oxides: A 63Cu NMR Study, Phys. Rev. B, Vol. 53, No. 5, Page 2827-2834, 1996.
• K. Ishida, Y Tokunaga, Y. Kitaoka, K. Asayama, M. Azuma, Z. Hiroi, M. Takano. Antiferromagnetic Nuclear Resonance of Cu in Infinite-Layer Compounds, SrCuO2 and Ca0.9Sr0.1CuO2 -Comparison between Hyperfine Coupling Constant in a CuO2 Plane and in a Spin-Ladder System-, J. Phys. Soc. Jpn., Vol. 65, No. 1, Page 329-330, 1996.
• Kenji Ishida, Yoshio Kitaoka, K Asayama, M. Azuma, Z. Hiroi, M. Takano. Spin Gap Behavior in Ladder-Type of Quasi-One-Dimensional Spin (S=1/2) System SrCu2O3, J. Phys. Soc. Jpn., Vol. 63, No. 9, Page 3222-3225, 1994.
• 東正樹, 広井善二, 高野幹夫, 北岡良雄, 石田憲二. 擬一次元Srn-1Cun+1O2n (n=3, 5) の高圧合成とスピンギャップ, 粉体および粉末冶金, Vol. 41, No. 12, pp. 1464-1468, 1994.

国内会議発表 (査読なし・不明)

• tetsuko, L.A.Diago, T.Kitaoka, ICHIRO HAGIWARA. Analyzing facial expressions with fuzzy quantification theory Ⅱ, indefinite generalized eigenvalue problem,JJIAM Special, Sept. 2012.

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