Peer Reviewed Papers
[73] "Electronic structure of interstitial hydrogen in In-Ga-Zn- O semiconductor simulated by muon."
K. M. Kojima, M. Hiraishi, H. Okabe, A. Koda, R. Kadono, K. Ide, S. Matsuishi, H. Kumomi, T. Kamiya, and H. Hosono.
Appl. Phys. Lett., 115, 122104 (1–5), (2019).
[72] "Quantum dynamics of hydrogen in the iron-based superconductor LaFeAsO0.9D0.1 measured with inelastic neutron spectroscopy."
Jun-ichi Yamaura, Haruhiro Hiraka, Soshi Iimura, Yoshinori Muraba, Joonho Bang, Kazuhiko Ikeuchi, Mitsutaka Nakamura, Yasuhiro Inamura, Takashi Honda, Masatoshi Hiraishi, Kenji M. Kojima, Ryosuke Kadono, Yoshio Kuramoto, Youichi Murakami, Satoru Matsuishi, and Hideo Hosono.
Phys. Rev. B, 99, 220505(R) (1–6), (2019).
[71] "Metallic spin-liquid-like behavior of LiV2O4."
H. Okabe, M. Hiraishi, A. Koda, K. M. Kojima, S. Takeshita, I. Yamauchi, Y. Matsushita, Y. Kuramoto, and R. Kadono.
Phys. Rev. B, 99, 041113(R) (1–5), (2019).
[70] "High-Speed Neutron Imaging Using a Current-Biased Delay-Line Detector of Kinetic Inductance."
Hiroaki Shishido, Yuya Miki, Hiroyuki Yamaguchi, Yuki Iizawa, Vu The Dang, Kenji M. Kojima, Tomio Koyama, Kenichi Oikawa, Masahide Harada, Shigeyuki Miyajima, Mutsuo Hidaka, Takayuki Oku, Kazuhiko Soyama, Soh Y. Suzuki, and Takekazu Ishida.
Phys. Rev. Applied, 10, 044044 (1–10), (2018).
[69] "Local electronic structure of interstitial hydrogen in iron disulfide."
H. Okabe, M. Hiraishi, S. Takeshita, A. Koda, K. M. Kojima, and R. Kadono.
Phys. Rev. B, 98, 075210 (1–6), (2018).
[68] "Electronic correlation in the quasi-two-dimensional electride Y2C."
M. Hiraishi, K. M. Kojima, I. Yamauchi, H. Okabe, S. Takeshita, A. Koda, R. Kadono, X. Zhang, S. Matsuishi, H. Hosono, K. Hirata, S. Otani, and N. Ohashi.
Phys. Rev. B, 98, 041104(R) 1–5, (2018).
[67] "Observation of a Metastable P-Heterocyclic Radical by Muonium Addition to a 1,3- Diphosphacyclobutane-2,4-diyl."
Shigekazu Ito, Yasuhiro Ueta, Kota Koshino, Kenji M. Kojima, Iain McKenzie, and Koichi Mikami.
Angew. Chem. Int. Ed., 57, 8608–8613, (2018).
[66] "Local spin structure of the α-RuCl3 honeycomb-lattice magnet observed via muon spin rotation/relaxation."
I. Yamauchi, M. Hiraishi, H. Okabe, S. Takeshita, A. Koda, K. M. Kojima, R. Kadono, and H. Tanaka.
Phys. Rev. B., 97, 134410(1–10), (2018).
[65] "Cage electron-hydroxyl complex state as electron donor in mayenite."
M. Hiraishi, K. M. Kojima, M. Miyazaki, I. Yamauchi, H. Okabe, A. Koda, R. Kadono, S. Matsuishi, and H. Hosono.
Phys. Rev. B., 93, 121201(R), (2016).
[63] "Muonium in Stishovite: Implications for the Possible Existence of Neutral Atomic Hydrogen in the Earth’s Deep Mantle."
N. Funamori, K. M. Kojima, D. Wakabayashi, T. Sato, T. Taniguchi, N. Nishiyama, T. Irifune, D. Tomono, T. Matsuzaki, M. Miyazaki, M. Hiraishi, A. Koda, and R. Kadono.
Sci. Rep., 5, 8437, (2015).
[59] "Bipartite magnetic parent phases in the iron oxypnictide superconductor."
M. Hiraishi, S. Iimura, K. M. Kojima, J. Yamaura, H. Hiraka, K. Ikeda, P. Miao, Y. Ishikawa, S. Torii, M. Miyazaki, I. Yamauchi, A. Koda, K. Ishii, M. Yoshida, J. Mizuki, R. Kadono, R. Kumai, T. Kamiyama, T. Otomo, Y. Murakami, S. Matsuishi, and H. Hosono.
Nature Physics, 10, 300–303, (2014).
[58] "Magnetic Frustration in Iridium Spinel Compound CuIr2S4."
K. M. Kojima, R. Kadono, M. Miyazaki, M. Hiraishi, I. Yamauchi, A. Koda, Y. Tsuchiya, H. S. Suzuki, and H. Kitazawa.
Phys. Rev. Lett., 112, 087203 1–5, (2014).
[57] "Bulk superconductivity in undoped T’-La1.9Y0.1CuO4 probed by muon spin rotation."
K. M. Kojima, Y. Krockenberger, I. Yamauchi, M. Miyazaki, M. Hiraishi, A. Koda, R. Kadono, R. Kumai, H. Yamamoto, A. Ikeda, and M. Naito.
Phys. Rev. B, 89, 180508(R) 1–4, (2014).
[73] "Electronic structure of interstitial hydrogen in In-Ga-Zn- O semiconductor simulated by muon."
K. M. Kojima, M. Hiraishi, H. Okabe, A. Koda, R. Kadono, K. Ide, S. Matsuishi, H. Kumomi, T. Kamiya, and H. Hosono.
Appl. Phys. Lett., 115, 122104 (1–5), (2019).
[72] "Quantum dynamics of hydrogen in the iron-based superconductor LaFeAsO0.9D0.1 measured with inelastic neutron spectroscopy."
Jun-ichi Yamaura, Haruhiro Hiraka, Soshi Iimura, Yoshinori Muraba, Joonho Bang, Kazuhiko Ikeuchi, Mitsutaka Nakamura, Yasuhiro Inamura, Takashi Honda, Masatoshi Hiraishi, Kenji M. Kojima, Ryosuke Kadono, Yoshio Kuramoto, Youichi Murakami, Satoru Matsuishi, and Hideo Hosono.
Phys. Rev. B, 99, 220505(R) (1–6), (2019).
[71] "Metallic spin-liquid-like behavior of LiV2O4."
H. Okabe, M. Hiraishi, A. Koda, K. M. Kojima, S. Takeshita, I. Yamauchi, Y. Matsushita, Y. Kuramoto, and R. Kadono.
Phys. Rev. B, 99, 041113(R) (1–5), (2019).
[70] "High-Speed Neutron Imaging Using a Current-Biased Delay-Line Detector of Kinetic Inductance."
Hiroaki Shishido, Yuya Miki, Hiroyuki Yamaguchi, Yuki Iizawa, Vu The Dang, Kenji M. Kojima, Tomio Koyama, Kenichi Oikawa, Masahide Harada, Shigeyuki Miyajima, Mutsuo Hidaka, Takayuki Oku, Kazuhiko Soyama, Soh Y. Suzuki, and Takekazu Ishida.
Phys. Rev. Applied, 10, 044044 (1–10), (2018).
[69] "Local electronic structure of interstitial hydrogen in iron disulfide."
H. Okabe, M. Hiraishi, S. Takeshita, A. Koda, K. M. Kojima, and R. Kadono.
Phys. Rev. B, 98, 075210 (1–6), (2018).
[68] "Electronic correlation in the quasi-two-dimensional electride Y2C."
M. Hiraishi, K. M. Kojima, I. Yamauchi, H. Okabe, S. Takeshita, A. Koda, R. Kadono, X. Zhang, S. Matsuishi, H. Hosono, K. Hirata, S. Otani, and N. Ohashi.
Phys. Rev. B, 98, 041104(R) 1–5, (2018).
[67] "Observation of a Metastable P-Heterocyclic Radical by Muonium Addition to a 1,3- Diphosphacyclobutane-2,4-diyl."
Shigekazu Ito, Yasuhiro Ueta, Kota Koshino, Kenji M. Kojima, Iain McKenzie, and Koichi Mikami.
Angew. Chem. Int. Ed., 57, 8608–8613, (2018).
[66] "Local spin structure of the α-RuCl3 honeycomb-lattice magnet observed via muon spin rotation/relaxation."
I. Yamauchi, M. Hiraishi, H. Okabe, S. Takeshita, A. Koda, K. M. Kojima, R. Kadono, and H. Tanaka.
Phys. Rev. B., 97, 134410(1–10), (2018).
[65] "Cage electron-hydroxyl complex state as electron donor in mayenite."
M. Hiraishi, K. M. Kojima, M. Miyazaki, I. Yamauchi, H. Okabe, A. Koda, R. Kadono, S. Matsuishi, and H. Hosono.
Phys. Rev. B., 93, 121201(R), (2016).
[63] "Muonium in Stishovite: Implications for the Possible Existence of Neutral Atomic Hydrogen in the Earth’s Deep Mantle."
N. Funamori, K. M. Kojima, D. Wakabayashi, T. Sato, T. Taniguchi, N. Nishiyama, T. Irifune, D. Tomono, T. Matsuzaki, M. Miyazaki, M. Hiraishi, A. Koda, and R. Kadono.
Sci. Rep., 5, 8437, (2015).
[59] "Bipartite magnetic parent phases in the iron oxypnictide superconductor."
M. Hiraishi, S. Iimura, K. M. Kojima, J. Yamaura, H. Hiraka, K. Ikeda, P. Miao, Y. Ishikawa, S. Torii, M. Miyazaki, I. Yamauchi, A. Koda, K. Ishii, M. Yoshida, J. Mizuki, R. Kadono, R. Kumai, T. Kamiyama, T. Otomo, Y. Murakami, S. Matsuishi, and H. Hosono.
Nature Physics, 10, 300–303, (2014).
[58] "Magnetic Frustration in Iridium Spinel Compound CuIr2S4."
K. M. Kojima, R. Kadono, M. Miyazaki, M. Hiraishi, I. Yamauchi, A. Koda, Y. Tsuchiya, H. S. Suzuki, and H. Kitazawa.
Phys. Rev. Lett., 112, 087203 1–5, (2014).
[57] "Bulk superconductivity in undoped T’-La1.9Y0.1CuO4 probed by muon spin rotation."
K. M. Kojima, Y. Krockenberger, I. Yamauchi, M. Miyazaki, M. Hiraishi, A. Koda, R. Kadono, R. Kumai, H. Yamamoto, A. Ikeda, and M. Naito.
Phys. Rev. B, 89, 180508(R) 1–4, (2014).
Peer Reviewed Conference Proceedings
[P80] "Development of general purpose μSR spectrometer ARTEMIS at S1 experimental area, MLF J-PARC."
K.M. Kojima, M. Hiraishi, A. Koda, H. Okabe, S. Takeshita, H. Li, R. Kadono, M.M. Tanaka, M. Shoji, T. Uchida, and S. Y. Suzuki.
JPS Conf. Proc., 21, 011062 (1–6), (2018).
[P69] "New μSR spectrometer at J-PARC MUSE based on Kalliope detectors."
K. M. Kojima, T.Murakami, Y. Takahashi, H. Lee, S. Y. Suzuki, A. Koda, I. Yamauchi, M. Miyazaki, M. Hiraishi, H. Okabe, S. Takeshita, R. Kadono, T. Ito, W. Higemoto, S. Kanda, Y. Fukao, N. Saito, M. Saito, M. Ikeno, T. Uchida, and M M. Tanaka.
J. Phys: Conf. Ser., 551, 012063, (2014).
[P80] "Development of general purpose μSR spectrometer ARTEMIS at S1 experimental area, MLF J-PARC."
K.M. Kojima, M. Hiraishi, A. Koda, H. Okabe, S. Takeshita, H. Li, R. Kadono, M.M. Tanaka, M. Shoji, T. Uchida, and S. Y. Suzuki.
JPS Conf. Proc., 21, 011062 (1–6), (2018).
[P69] "New μSR spectrometer at J-PARC MUSE based on Kalliope detectors."
K. M. Kojima, T.Murakami, Y. Takahashi, H. Lee, S. Y. Suzuki, A. Koda, I. Yamauchi, M. Miyazaki, M. Hiraishi, H. Okabe, S. Takeshita, R. Kadono, T. Ito, W. Higemoto, S. Kanda, Y. Fukao, N. Saito, M. Saito, M. Ikeno, T. Uchida, and M M. Tanaka.
J. Phys: Conf. Ser., 551, 012063, (2014).