主要論文リスト
2001年業績
論文

1. Spin-gap and the superconducting fluctuations in high-T_c cuprates probed by ⁶³Cu NMR

   Guo-qing Zheng, Hiroyuki Ozaki, Yoshio Kitaoka, William Gilbert Clark, Y. Kodama, T. Kondo, Y. Shimakawa, Y. Kubo, P. Kuhns, A.P. Reyes, W.G. Moulton
   Journal of Physics and Chemistry of Solids 62, 25-27 (2001)

2. Spin gap and superconducting fluctuations in Bi₂Sr₂CaCu₂O_8+δ probed by ⁶³Cu NMR

   Yo Tokunaga, Kenji Ishida, Kazuhiro Yoshida, Takeshi Mito, Yoshio Kitaoka, Kunisuke Asayama, Y. Nakayama, J. Shimoyama, K. Kishio, K. Kadowaki, T. Mochiku
   Journal of Physics and Chemistry of Solids 62, 167-170 (2001)

3. NMR study of carrier distribution and superconductivity in multilayered high-T_c cuprates

   Hisashi Kotegawa, Yo Tokunaga, Kenji Ishida, Guo-qing Zheng, Yoshio Kitaoka, Kunisuke Asayama, H. Kito, A. Iyo, Hideo Ihara, K. Tanaka, K. Tokiwa, T. Watanabe
   Journal of Physics and Chemistry of Solids 62, 171-175 (2001)

4. Ru NMR probe of spin susceptibility in the superconducting state of Sr₂RuO₄

   Kenji Ishida, Hidekazu Mukuda, Yoshio Kitaoka, Zhing Quang Mao, H. Fukazawa, Yoshiteru Maeno
   Physical Review B 63, (1 February 2001-II), 060507(R)1 - 4 (2001)

5. Coexistence of superconductivity and antiferromagnetism in the heavy-fermion superconductor CeCu₂(Si_1-xGe_x)₂ probed by means of Cu nuclear quadrupole resonance - a test case for the SO(5) theory

   Yoshio Kitaoka, Kenji Ishida, Yu Kawasaki, Octavio Trovarelli, Christoph Geibel, Frank Steglich
   J. Phys.: Condensed Matter 13, L79-L88 (2001)

6. Exotic superconducting phase in CeCu₂Si₂ close to antiferromagnetism: A Cu-NQR study under hydrostatic pressure

   Yu Kawasaki, Kenji Ishida, Takeshi Mito, Christoph Thessieu, Guo-qing Zheng, Yoshio Kitaoka, Christoph Geibel, Frank Steglich
   Phys. Rev. B 63, 140501(R)1 - 4 (2001)

7. Pressure-induced anomalous magnetism and unconventional superconductivity in CeRhIn₅: ¹¹⁵In-NQR study under pressure

   Takeshi Mito, Shinji Kawasaki, G.-q. Zheng, Yu Kawasaki, Kenji Ishida, Yoshio Kitaoka, D. Aoki, Y. Haga, Y. Ōnuki
   Phys. Rev. B 63, 220507(R)-1〜4 (2001)

8. Unique spin dynamics and unconventional superconductivity in the layered heavy fermion compound CeIrIn₅ : NQR evidence

   G.-q. Zheng, Kenji Tanabe, Takeshi Mito, Shinji Kawasaki, Yoshio Kitaoka, D. Aoki, Y. Haga, Y. Ōnuki
   Phys. Rev. Lett. 86, 4664-4667 (2001)

9. Coexistence of ferromagnetixm and superconductivity in magnetic superconductor RuSr₂YCu₂O₈ revealed by ⁶³Cu-NMR

   Yo Tokunaga, Hisashi Kotegawak Kenji Ishida, Yoshio Kitaoka, H. Takagiwa, Jun Akimitsu
   Physica C 364-365 (2001) 379-382

10. Characterizing the pseudogap in the high-T_c superconductors using very high magnetic fields: implications on the phase diagram

    Guo-qing Zheng, Hiroyuki Ozaki, Yoshio Kitaoka, W.G. Clark, Y. Kodama, T. Kondo, Y. Shimakawa, Y. Kubo, P. Kuhns, A. P. Reyes, W.G. Moulton
    Physica C 364-365 (2001) 458-461.

11. Unconventional superconducting characteristics in the multilayered high-T_c cuprate (Cu_0.6C_0.4)Ba₂Ca₃Cu₄O_12+y probed by ⁶³Cu NMR

    Yo Tokunaga, Hisashi Kotegawa, Kenji Ishida, Yoshio Kitaoka, K. Tokiwa, A. Iyo, Hideo Ihara
    Physica C 341-348 (2000) 2121-2122

12. Ru-Knight shift measurement in the superconducting state of Sr₂RuO₄

    Kenji Ishida, Hidekazu Mukuda, Yoshio Kitaoka, Z.Q. Mao, H. Fukazawa, Yoshiteru Maeno
    Journal of Magnetism and Magnetic Materials 226-230 (2001) 353-354.

13. Exotic magnetic and superconducting phases in CeCu₂Si₂ close to magnetically ordered state : Cu-NQR study

    Yu Kawasaki, Kei Obinata, Kenji Ishida, Takeshi Mito, Guo-qing Zheng, Yoshio Kitaoka, C. Geibel, F. Steglich
    Journal of Magnetism and Magnetic Materials 226-230 (2001) 374-375.

14. NMR evidence for coexistence of superconductivity and ferromagnetic component in magnetic superconductor RuSr₂YCu₂O₈ : ⁹⁹, ¹⁰¹Ru and ⁶³Cu NMR

    Yo Tokunaga, Hisashi Kotegawa, Kenji Ishida, Yoshio Kitaoka, H. Takagiwa, Jun Akimitsu
    Phys. Rev. Lett. 86, No.25 (2001) 5767-5770.

15. Unusual magnetic and superconducting characteristics in multilayered high-T_c cuprates: ⁶³Cu NMR study

    Hisashi Kotegawa, Yo Tokunaga, Kenji Ishida, Guo-qing Zheng, Yoshio Kitaoka, H. Kito, A. Iyo, K. Tokiwa, T. Watanabe, Hideo Ihara
    Phys. Rev. B 64, August 01 (2001) 064515-(1-5).

16. Normal-state spin dynamics in the spin-triplet superconductor Sr₂RuO₄

    Kenji Ishida, Hidekazu Mukuda, Yukito Minami, Yoshio Kitaoka, Z.Q. Mao, H. Fukazawa, Yoshiteru Maeno
    Phys. Rev. B 64, September 01 (2001) 100501(R)-(1-4).

17. Evidence for strong-coupling s-wave superconductivity in MgB₂: ¹¹B NMR study

    Hisashi Kotegawa, Kenji Ishida, Yoshio Kitaoka, T. Muranaka, Jun Akimitsu
    Phys. Rev. Lett. 87, No.12, September 17 (2001) 127001-(1-4).

18. Pressure-temperature phase diagram of antiferromagnetism and superconductivity in CeRhIn₅ and CeIn₃: ¹¹⁵In-NQR study under pressure

    Shinji Kawasaki, Takeshi Mito, Guo-qing Zheng, C. Thessieu, Yu Kawasaki, Kenji Ishida, Yoshio Kitaoka, T. Muramatsu, T.C. Kobayashi, D. Aoki, S. Araki, Y. Haga, R. Settai, Y. Ōnuki
    Phys. Rev. B 65, 020504-(1-4).

19. Delocalized quasiparticles in the vortex state of an overdoped high-T_c superconductor probed by ⁶³Cu NMR

    Guo-qing Zheng, Hiroyuki Ozaki, Yoshio Kitaoka, P. Kuhns, A.P. Reyes, W.G. Moulton
    Phys. Rev. Lett. 88, No. 7, February 18 (2002) 077003-(1-4).

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