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RhSiYamauchi, Hiroki; Sari, D. P.*; Watanabe, Isao*; Yasui, Yukio*; Chang, L.-J.*; Kondo, Keietsu; Ito, Takashi; Ishikado, Motoyuki*; Hagiwara, Masato*; Frontzek, M. D.*; et al.
Communications Materials (Internet), 1, p.43_1 - 43_6, 2020/07
High-temperature short-range order is discovered up to 720 K in MnRhSi by complementary use of neutron scattering and muon spin relaxation measurements.
Se studied by inelastic neutron scatteringIshikado, Motoyuki*; Kodama, Katsuaki; Kajimoto, Ryoichi; Nakamura, Mitsutaka; Inamura, Yasuhiro; Ikeuchi, Kazuhiko*; Ji, S.*; Arai, Masatoshi*; Shamoto, Shinichi
Condensed Matter (Internet), 4(3), p.69_1 - 69_10, 2019/09
The enhancement magnetic resonance mode of FeTeSe is limited around Q = (
, 0). Q dependence is found to be consistent with a theoretical simulation of the magnetic resonance mode with the sign-reversing order parameter of s
wave.
Shamoto, Shinichi
Journal of the Physical Society of Japan, 88(8), p.081008_1 - 081008_11, 2019/08
Times Cited Count：1 Percentile：65.14(Physics, Multidisciplinary)
tuned by pressure and Ni substitutionGuguchia, Z.*; Frandsen, B. A.*; Santos-Cottin, D.*; Shamoto, Shinichi; Gauzzi, A.*; Uemura, Yasutomo*; 12 of others*
Physical Review Materials (Internet), 3(4), p.045001_1 - 045001_9, 2019/04
Times Cited Count：1 Percentile：100(Materials Science, Multidisciplinary)We have studied the Mott transition of BaCoS by pressure and Ni substitution using 
SR, and examined the appearance of the quantum phase transition. The results show that both quantum phase transitions are first-order transitions at zero temperature.
single unit-cell FeSe superconductorFukaya, Yuki; Zhou, G.*; Zheng, F.*; Zhang, P.*; Wang, L.*; Xue, Q.-K.*; Shamoto, Shinichi
Journal of Physics; Condensed Matter, 31(5), p.055701_1 - 055701_6, 2019/02
Times Cited Count：4 Percentile：38.28(Physics, Condensed Matter)no abstracts in English
iron-based superconductor LaFePO
Ishikado, Motoyuki*; Shamoto, Shinichi; Kodama, Katsuaki; Kajimoto, Ryoichi; Nakamura, Mitsutaka; Hong, T.*; Mutka, H.*
Scientific Reports (Internet), 8, p.16343_1 - 16343_6, 2018/11
Times Cited Count：2 Percentile：61.53(Multidisciplinary Sciences)Spin fluctuations are widely believed to play an important role as one of the most possible mechanisms for unconventional high-temperature superconductors. Here, the spin fluctuation in LaFePO is found at high energies such as 30-50 meV with comparable intensity to an optimally doped LaFeAs(O,F).
studied by neutron scattering and their relation with thermal conductivitiesKajimoto, Ryoichi; Nakamura, Mitsutaka; Murai, Naoki; Shamoto, Shinichi; Honda, Takashi*; Ikeda, Kazutaka*; Otomo, Toshiya*; Hata, Hiroto*; Eto, Takahiro*; Noda, Masaaki*; et al.
Scientific Reports (Internet), 8(1), p.9651_1 - 9651_8, 2018/06
Times Cited Count：4 Percentile：57.42(Multidisciplinary Sciences)Shamoto, Shinichi; Ito, Takashi; Onishi, Hiroaki; Yamauchi, Hiroki; Inamura, Yasuhiro; Matsuura, Masato*; Akatsu, Mitsuhiro*; Kodama, Katsuaki; Nakao, Akiko*; Moyoshi, Taketo*; et al.
Physical Review B, 97(5), p.054429_1 - 054429_9, 2018/02
Times Cited Count：5 Percentile：47.75(Materials Science, Multidisciplinary)Nuclear and magnetic structure and full magnon dispersions of yttrium iron garnet YFe
O
have been studied by neutron scattering. The lowest-energy dispersion below 14 meV exhibits a quadratic dispersion as expected from ferromagnetic magnons. The imaginary part of 
-integrated dynamical spin susceptibility 
"(
) exhibits a square-root energy-dependence in the low energies. The magnon density of state is estimated from the "() obtained on an absolute scale. The value is consistent with a single chirality mode for the magnon branch expected theoretically.
Kodama, Katsuaki; Ikeda, Kazutaka*; Shamoto, Shinichi; Otomo, Toshiya*
Journal of the Physical Society of Japan, 86(12), p.124708_1 - 124708_8, 2017/12
Times Cited Count：2 Percentile：67.49(Physics, Multidisciplinary)Fukaya, Yuki; Matsuda, Iwao*; Feng, B.*; Mochizuki, Izumi*; Hyodo, Toshio*; Shamoto, Shinichi
2D Materials (Internet), 3(3), p.035019_1 - 035019_7, 2016/09
Times Cited Count：29 Percentile：18(Materials Science, Multidisciplinary)no abstracts in English
Kodama, Katsuaki; Ikeda, Kazutaka*; Isobe, Masahiko*; Takeda, Hikaru*; Ito, Masayuki*; Ueda, Yutaka*; Shamoto, Shinichi; Otomo, Toshiya*
Journal of the Physical Society of Japan, 85(9), p.094709_1 - 094709_5, 2016/09
Times Cited Count：1 Percentile：84.11(Physics, Multidisciplinary)Fukaya, Yuki; Entani, Shiro; Sakai, Seiji; Mochizuki, Izumi*; Wada, Ken*; Hyodo, Toshio*; Shamoto, Shinichi
Carbon, 103, p.1 - 4, 2016/07
Times Cited Count：12 Percentile：43.58(Chemistry, Physical)no abstracts in English
Nomura, Takuji*; Harada, Yoshihisa*; Niwa, Hideharu*; Ishii, Kenji*; Ishikado, Motoyuki*; Shamoto, Shinichi; Jarrige, I.*
Physical Review B, 94(3), p.035134_1 - 035134_9, 2016/07
Times Cited Count：7 Percentile：52.06(Materials Science, Multidisciplinary)Low-energy electron excitation spectra were measured on a single crystal of a typical iron-based superconductor PrFeAsO using resonant inelastic X-ray scattering (RIXS) at the Fe-
edge.
Kodama, Katsuaki; Igawa, Naoki; Shamoto, Shinichi; Ikeda, Kazutaka*; Oshita, Hidetoshi*; Kaneko, Naokatsu*; Otomo, Toshiya*; Suzuya, Kentaro; Hoshikawa, Akinori*; Ishigaki, Toru*
JPS Conference Proceedings (Internet), 8, p.034002_1 - 034002_6, 2015/09
Fukuda, Tatsuo; Baron, A. Q. R.*; Uchiyama, Hiroshi*; Nakamura, Hiroki; Ishikado, Motoyuki*; Machida, Masahiko; Shamoto, Shinichi
SPring-8/SACLA Riyo Kenkyu Seikashu (Research Report) (Internet), 3(2), p.290 - 293, 2015/07
AsKodama, Katsuaki; Ishikado, Motoyuki*; Wakimoto, Shuichi; Kiho, Kunihiro*; Lee, C.-H.*; Iyo, Akira*; Eisaki, Hiroshi*; Shamoto, Shinichi
Physical Review B, 90(14), p.144510_1 - 144510_5, 2014/10
Times Cited Count：1 Percentile：93.79(Materials Science, Multidisciplinary)IrSiPyon, S.*; Kudo, Kazutaka*; Matsumura, Junichi*; Ishii, Hiroyuki*; Matsuo, Genta*; Nohara, Minoru*; Hojo, Hajime*; Oka, Kengo*; Azuma, Masaki*; Garlea, V. O.*; et al.
Journal of the Physical Society of Japan, 83(9), p.093706_1 - 093706_5, 2014/09
Times Cited Count：18 Percentile：22.37(Physics, Multidisciplinary)O
Kodama, Katsuaki; Igawa, Naoki; Shamoto, Shinichi; Ikeda, Kazutaka*; Oshita, Hidetoshi*; Kaneko, Naokatsu*; Otomo, Toshiya*; Suzuya, Kentaro; Hoshikawa, Akinori*; Ishigaki, Toru*
JPS Conference Proceedings (Internet), 3, p.013012_1 - 013012_6, 2014/06
Kim, J.*; Fujiwara, Akihiko*; Sawada, Tomohiro*; Kim, Y.*; Sugimoto, Kunihisa*; Kato, Kenichi*; Tanaka, Hiroshi*; Ishikado, Motoyuki*; Shamoto, Shinichi; Takata, Masaki*
IUCrJ, 1(3), p.155 - 159, 2014/05
Times Cited Count：2 Percentile：74.2(Chemistry, Multidisciplinary)Using a charge density analysis based on synchrotron radiation X-ray powder diffraction data, we found that the charge carriers only accumulated in the iron layer of the superconducting phase of LaFeAsO
F
at low temperatures. Analysis of the electrostatic potential distribution revealed the concerted enhancement of the electronic polarization of the As ions and the carrier redistribution.
Shamoto, Shinichi; Kodama, Katsuaki; Imaki, Tadashi*; Nakatani, Takeshi; Oshita, Hidetoshi*; Kaneko, Naokatsu*; Masuko, Kenji*; Sakamoto, Kensaku; Yamaguchi, Kenji; Suzuya, Kentaro; et al.
JPS Conference Proceedings (Internet), 1, p.014011_1 - 014011_5, 2014/03
2D neutron diffraction imaging of an ammonite fossil was carried out at high-intensity total diffractometer NOVA in J-PARC. Observed diffraction profiles consist of calcite, siderite and amorphous structures.
