Search Results - "Umegaki, I"

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    Successive phase transitions and extended spin-excitation continuum in the S=1/2 triangular-lattice antiferromagnet Ba3CoSb2O9 by Zhou, H D, Xu, Cenke, Hallas, A M, Silverstein, H J, Wiebe, C R, Umegaki, I, Yan, J Q, Murphy, T P, Park, J-H, Qiu, Y, Copley, J R D, Gardner, J S, Takano, Y

    Published in Physical review letters (28-12-2012)
    “…Using magnetic, thermal, and neutron measurements on single-crystal samples, we show that Ba3CoSb2O9 is a spin-1/2 triangular-lattice antiferromagnet with the…”
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    Journal Article
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    Pr deficiency effect on the heavy-fermion superconductor PrxOs4Sb12 by Aoki, Y., Imamura, A., Miyazaki, R., Saito, T., Higashinaka, R., Umegaki, I., Fukuhara, T., Sato, H.

    Published in Physica. C, Superconductivity (01-12-2010)
    “…We have succeeded in growing single-crystalline samples of the filled-skutterudite heavy-fermion superconductor PrxOs4Sb12 having different Pr occupancy x by…”
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    Journal Article Conference Proceeding
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    Observation of Elementary Excitations of Quantum Sine-Gordon Spin System KCuGaF6 Under High Magnetic Field by Umegaki, I., Tanaka, H., Ono, T., Nojiri, H.

    Published in Journal of low temperature physics (01-04-2010)
    “…In magnetic field, KCuGaF 6 can be mapped onto the quantum sine-Gordon model, for which low-energy elementary excitations are solitons, antisolitons and their…”
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    Journal Article
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    Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples by Nakamura, T, Matsumoto, M, Amano, K, Enokido, Y, Zolensky, M E, Mikouchi, T, Genda, H, Tanaka, S, Zolotov, M Y, Kurosawa, K, Wakita, S, Hyodo, R, Nagano, H, Nakashima, D, Takahashi, Y, Fujioka, Y, Kikuiri, M, Kagawa, E, Matsuoka, M, Brearley, A J, Tsuchiyama, A, Uesugi, M, Matsuno, J, Kimura, Y, Sato, M, Milliken, R E, Tatsumi, E, Sugita, S, Hiroi, T, Kitazato, K, Brownlee, D, Joswiak, D J, Takahashi, M, Ninomiya, K, Takahashi, T, Osawa, T, Terada, K, Brenker, F E, Tkalcec, B J, Vincze, L, Brunetto, R, Aléon-Toppani, A, Chan, Q H S, Roskosz, M, Viennet, J-C, Beck, P, Alp, E E, Michikami, T, Nagaashi, Y, Tsuji, T, Ino, Y, Martinez, J, Han, J, Dolocan, A, Bodnar, R J, Tanaka, M, Yoshida, H, Sugiyama, K, King, A J, Fukushi, K, Suga, H, Yamashita, S, Kawai, T, Inoue, K, Nakato, A, Noguchi, T, Vilas, F, Hendrix, A R, Jaramillo-Correa, C, Domingue, D L, Dominguez, G, Gainsforth, Z, Engrand, C, Duprat, J, Russell, S S, Bonato, E, Ma, C, Kawamoto, T, Wada, T, Watanabe, S, Endo, R, Enju, S, Riu, L, Rubino, S, Tack, P, Takeshita, S, Takeichi, Y, Takeuchi, A, Takigawa, A, Takir, D, Tanigaki, T, Taniguchi, A, Tsukamoto, K, Yagi, T, Yamada, S, Yamamoto, K, Yamashita, Y, Yasutake, M, Uesugi, K, Umegaki, I

    “…Samples of the carbonaceous asteroid Ryugu were brought to Earth by the Hayabusa2 spacecraft. We analyzed 17 Ryugu samples measuring 1 to 8 millimeters. Carbon…”
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    Journal Article
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    Nuclear and magnetic spin structure of the antiferromagnetic triangular lattice compound LiCrTe2 investigated by Formula: see textSR, neutron and X-ray diffraction by Nocerino, E, Witteveen, C, Kobayashi, S, slund, O K, Matsubara, N, Zubayer, A, Mazza, F, Kawaguchi, S, Hoshikawa, A, Umegaki, I, Sugiyama, J, Yoshimura, K, Sassa, Y, von Rohr, F O, Månsson, M

    Published in Scientific reports (15-12-2022)
    “…Two-dimensional (2D) triangular lattice antiferromagnets (2D-TLA) often manifest intriguing physical and technological properties, due to the strong interplay…”
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    Journal Article
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    Nuclear and magnetic spin structure of the antiferromagnetic triangular lattice compound LiCrTe2 investigated by $$\mu ^+$$ μ + SR, neutron and X-ray diffraction by E. Nocerino, C. Witteveen, S. Kobayashi, O. K. Forslund, N. Matsubara, A. Zubayer, F. Mazza, S. Kawaguchi, A. Hoshikawa, I. Umegaki, J. Sugiyama, K. Yoshimura, Y. Sassa, F. O. von Rohr, M. Månsson

    Published in Scientific reports (01-12-2022)
    “…Abstract Two-dimensional (2D) triangular lattice antiferromagnets (2D-TLA) often manifest intriguing physical and technological properties, due to the strong…”
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    Journal Article
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    The metallic quasi-1D spin-density-wave compound NaV2O4 studied by angle-resolved photoelectron spectroscopy by Sassa, Y., Månsson, M., Forslund, O.K., Tjernberg, O., Pomjakushin, V., Ofer, O., Ansaldo, E.J., Brewer, J.H., Umegaki, I., Higuchi, Y., Ikedo, Y., Nozaki, H., Harada, M., Watanabe, I., Sakurai, H., Sugiyama, J.

    “…Angle-resolved photoelectron spectroscopy has been used to follow the valence band and near Fermi edge electronic band structure in the quasi-1D compound…”
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    Journal Article
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