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Shamoto, Shinichi; Ieda, Junichi
CROSS T&T, (69), p.35 - 39, 2021/10
no abstracts in English
Nambu, Yusuke*; Shamoto, Shinichi
Journal of the Physical Society of Japan, 90(8), p.081002_1 - 081002_15, 2021/08
Times Cited Count：1 Percentile：16.57(Physics, Multidisciplinary)no abstracts in English
Shamoto, Shinichi; Yasui, Yukio*; Matsuura, Masato*; Akatsu, Mitsuhiro*; Kobayashi, Yoshiaki*; Nemoto, Yuichi*; Ieda, Junichi
Physical Review Research (Internet), 2(3), p.033235_1 - 033235_6, 2020/08
Ultralow energy magnon in yttrium iron garnet crystal has been studied by inelastic neutron scattering in an energy range from 10 to 45 
eV. When a magnetic field of about 0.1 T is applied along [111], ultralow energy magnon anomaly is found at 10 K.
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：18 Percentile：65.6(Materials Science, Multidisciplinary)Nuclear and magnetic structure and full magnon dispersions of yttrium iron garnet Y
Fe
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.
Fe
OShamoto, Shinichi; Matsuura, Masato*; Akatsu, Mitsuhiro*; Ito, Takashi; Mori, Michiyasu; Kajimoto, Ryoichi; Kawamura, Seiko; Shibata, Kaoru; Nemoto, Yuichi*; Maekawa, Sadamichi
no journal, ,
no abstracts in English
Shamoto, Shinichi; Matsuura, Masato*; Akatsu, Mitsuhiro*; Ito, Takashi; Ieda, Junichi; Endo, Hitoshi; Oda, Tatsuro*; Chang, L.-J.*; Nemoto, Yuichi*; Shibata, Kaoru
no journal, ,
no abstracts in English
Shamoto, Shinichi; Matsuura, Masato*; Akatsu, Mitsuhiro*; Ito, Takashi; Ieda, Junichi; Endo, Hitoshi*; Oda, Tatsuro*; Chang, L.-J.*; Nemoto, Yuichi*; Shibata, Kaoru
no journal, ,
no abstracts in English
FeO under ultrasound irradiationShamoto, Shinichi; Akatsu, Mitsuhiro*; Matsuura, Masato*; Ieda, Junichi; Yasui, Yukio*; Harii, Kazuya; Ono, Masao; Yamamoto, Kei; Ito, Takashi; Nemoto, Yuichi*
no journal, ,
no abstracts in English
FeO and magnetic inelastic neutron scatteringShamoto, Shinichi; Yasui, Yukio*; Matsuura, Masato*; Akatsu, Mitsuhiro*; Ieda, Junichi; Harii, Kazuya; Ono, Masao; Yamamoto, Kei; Ito, Takashi; Nemoto, Yuichi*
no journal, ,
no abstracts in English
