コバヤシ研

PUBLICATIONS

27.
Riki Kobayashi, Haruki Takamura, Yasuyuki Higa, Yoichi Ikeda, Kazuyuki Matsubayashi, Yoshiya Uwatoko, Hideki Yoshizawa, and Naofumi Aso, “Zn-site Substitution Effect in YbCo2Zn20”, J. Phys.: Conf. Ser. 807, 012009 (2017).
26.
Shinichi-Kimura, Hiroshi Tanida, Masafumi Sera, Yuji Muro, Toshiro Takabatake, Takashi Nishioka, Masahiro Matsumura, and Riki Kobayashi, “Relation between c-f hybridization and magnetic ordering in CeRu2Al10 : An optical conductivity study of Ce(Ru1−xRhx)2Al10 (x ≤ 0.05)”, Phys. Rev. B 91, 241120(R) (2015).
25.
Riki Kobayashi, Hideki Yoshizawa, Masaaki Matsuda, Ryoichi Kajimoto, Kyoko Ishizaka, and Yoshinori Tokura, “Neutron Diffraction Study of Parasitic Nd-Moment Order in the Checkerboard-Type Phase Nd1.3Sr0.7NiO4”, J. Phys. Soc. Jpn. 84, 064711 (2015).
24.
N. Adam, E. Suprayoga, B. Adiperdana, H. Guo, H. Tanida, S. S. Mohd-Tajudin, R. Kobayashi, M. Sera, T. Nishioka, M. Matsumura, S. Sulaiman, M. I. Mohamed-Ibrahim, and I. Watanabe, “Muon sites in Ce(Ru,Rh)2Al10 investigated by using Density Functional Theory from the view point of electronic potential”, J. Phys.: Conf. Ser. 551, 012053 (2014).
23
Riki Kobayashi, Koji Kaneko, Kotaro Saito, Jean-Michel Mignot, Gilles André, Julien Robert, Shuichi Wakimoto, Masaaki Matsuda, Songxue Chi, Yoshinori Haga, Tatsuma D. Matsuda, Etsuji Yamamoto, Takashi Nishioka, Masahiro Matsumura, Hiroshi Tanida, and Masafumi Sera, “Influence of Electron Doping on Magnetic Order in CeRu2Al10”, J. Phys. Soc. Jpn. 83, 104707 (2014).
22.
Jean-Michel Mignot, Pavel A. Alekseev, Julien Robert, Sylvain Petit, Takashi Nishioka, Masahiro Matsumura, Riki Kobayashi, Hiroshi Tanida, Hiroki Nohara, and Masafumi Sera, “Dispersive magnetic-resonance mode in the Kondo semiconductor CeFe2Al10”, Phys. Rev. B 89, 161103(R) (2014).
21.
H. Mitamura, R. Watanuki, K. Kaneko, N. Onozaki, Y. Amou, S. Kittaka, R. Kobayashi, Y. Shimura, I. Yamamoto, K. Suzuki, S. Chi, and T. Sakakibara, “Spin-Chirality-Driven Ferroelectricity on a Perfect Triangular Lattice Antiferromagnet”, Phys. Rev. lett. 113, 147202 (2014).
20.
Yurina Sekine, Tomoko Ikeda-Fukazawa, Mamoru Aizawa, Riki Kobayashi, Songxue Chi, Jaime A. Fernandez-Baca, Hiroki Yamauchi, and Hiroshi Fukazawa, “Neutron Diffraction of Ice in Hydrogels”, J. Phys. Chem. B 118, 13453-13457 (2014).
19.
H. Tanida, H. Nohara, M. Sera, T. Nishioka, M. Matsumura, and R. Kobayashi, “Collapse of spin gap by Ru-site substitution in the antiferromagnetic Kondo semiconductor CeRu2Al10”, Phys. Rev. B 90, 165124 (2014).
18.
Satoshi Tsutsui, Koji Kaneko, Ryoichi Miyazaki, Ryuji Higashinaka, Yuji Aoki, Riki Kobayashi, Shuichi Wakimoto, Alfred Q. R. Baron, Hitoshi Sugawara, and Hideyuki Sato, “Anharmonic Pr Guest Modes in Pr(Os1−xRux)4Sb12 Investigated by Inelastic X-ray Scattering”, JPS Conf. Proc. 3, 011060 (2014).
17.
Hanjie Guo, Hiroshi Tanida, Riki Kobayashi, Ikuto Kawasaki, Masafumi Sera, Takashi Nishioka, Masahiro Matsumura, Isao Watanabe, and Zhu-an Xu, “Magnetic instability induced by Rh doping in the Kondo semiconductor CeRu2Al10”, Phys. Rev. B 88, 115206 (2013).
16.
Riki Kobayashi, Koji Kaneko, Shuichi Wakimoto, Songxue Chi, Naoyuki Sanada, Ryuta Watanuki, and Kazuya Suzuki, “Powder Neutron Diffraction Study of HoCoGa5”, J. Korean Phys. Soc. 63, 337-340 (2013).
15.
Riki Kobayashi, Yuta Ogane, Daishi Hirai, Takashi Nishioka, Masahiro Matsumura, Yukihiro Kawamura, Kazuyuki Matsubayashi, Yoshiya Uwatoko, Hiroshi Tanida, and Masafumi Sera, “Influence of Electron Doping on Magnetic Order in CeRu2Al10”, J. Phys. Soc. Jpn. 82, 093702 (2013).
14.
Akihiro Kondo, Koichi Kindo, Keisuke Kunimori, Hiroki Nohara, Hiroshi Tanida, Masafumi Sera, Riki Kobayashi, Takashi Nishioka, and Masahiro Matsumura, “Marked Change in the Ground State of CeRu2Al10 Induced by Small Amount of Rh Substitution”, J. Phys. Soc. Jpn. 82, 054709 (2013).
13.
Masahiro Matsumura, Naoya Tomita, Sakiyo Tanimoto, Yukihiro Kawamura, Riki Kobayashi, Harukazu Kato, Takashi Nishioka, Hiroshi Tanida, and Masafumi Sera, “Marked Change in the Ground State of CeRu2Al10 Induced by Small Amount of Rh Substitution”, J. Phys. Soc. Jpn. 82, 023702 (2013).
12.
Julien Robert, Jean-Michel Mignot, Sylvain Petit, Paul Steffens, Takashi Nishioka, Riki Kobayashi, Masahiro Matsumura, Hiroshi Tanida, Daiki Tanaka, and Masafumi Sera, “Anisotropic Spin Dynamics in the Kondo Semiconductor CeRu2Al10”, Phys. Rev. lett. 109, 267208 (2012).
11.
Harukazu Kato, Tomoaki Takesaka, Riki Kobayashi, Takashi Nishioka, Masahiro Matsumura, Yo Tokunaga, and Shinsaku Kambe, “A NQR study of CeOs2Al10”, J. Phys.: Conf. Ser. 273, 012037 (2011).
10.
Jean-Michel Mignot, Julien Robert, Gilles André, Alexandre M. Bataille, Takashi Nishioka, Riki Kobayashi, Masahiro Matsumura, Hiroshi Tanida, Daiki Tanaka, and Masafumi Sera, “Neutron scattering study of the long-range ordered state in CeRu2Al10”, J. Phys. Soc. Jpn. 80, SA022 (2011).
9.
Harukazu Kato, Riki Kobayashi, Tomoaki Takesaka, Takashi Nishioka, Masahiro Matsumura, Koji Kaneko, and Naoto Metoki, “Magnetic Structure Determination of CeT2Al10 (T = Ru and Os): Single Crystal Neutron Diffraction Studies”, J. Phys. Soc. Jpn. 80, 073701 (2011).
8.
Riki Kobayashi, Yukihiro Kawamura, Takashi Nishioka, Harukazu Kato, Masahiro Matsumura, Kazuto Kodama, Hiroshi Tanida, Masafumi Sera, Kazuyuki Matsubayashi, and Yoshiya Uwatoko, “Magnetic Phase Diagram of Ce1−xGdxRu2Al10 Single Crystals”, J. Phys. Soc. Jpn. 80, SA044 (2011).
7.
Julien Robert, Jean-Michel Mignot, Gilles André, Takashi Nishioka, Riki Kobayashi, Masahiro Matsumura, Hiroshi Tanida, Daiki Tanaka, and Masafumi Sera, “Long-range order and low energy magnetic excitations in CeRu2Al10 studied via neutron scattering”, Phys. Rev. B 82, 100404 (2010).
6.
Tomoaki Takesaka, Kenta Oe, Riki Kobayashi, Yukihiro Kawamura, Takashi Nishioka, Harukazu Kato, Masahiro Matsumura, and Kazuto Kodama, “Semiconducting behavior in CeFe2Al10 and CeRu2Al10 single crystals”, J. Phys.: Conf. Ser. 200, 012201 (2010).
5.
Riki Kobayashi, Takashi Nishioka, Harukazu Kato, Masahiro Matsumura, and Kazuto Kodama, “Magnetic properties and substitution effect of Pr for Ce3Al11”, J. Phys.: Conf. Ser. 200, 012092 (2010).
4.
Takashi Nishioka, Yukihiro Kawamura, Tomoaki Takesaka, Riki Kobayashi, Harukazu Kato, Masahiro Matsumura, Kazuto Kodama, Kazuyuki Matsubayashi, and Yoshiya watoko, “Novel Phase Transition and the Pressure Effect in YbFe2Al10-type CeT2Al10 (T = Fe, Ru, Os)”, J. Phys. Soc. Jpn, 78, 123705 (2009).
3.
Kenta Oe, Riki Kobayashi, Takashi Nishioka, Harukazu Kato, Masahiro Matsumura, and Kazuto Kodama, “Single Crystal Growth and Low Temperature Magnetic Properties of the Ce-Cu-Al ternary system”, J. Phys.: Conf. Ser. 150, 042146 (2009).
2.
Riki Kobayashi, Takahiko Inadomi, Takashi Nishioka, Harukazu Kato, Masahiro Matsumura, and Kazuto Kodama, “Magnetic Properties of R3Al11 (R = La, Ce, Pr, Nd, Sm) Single Crystals”, J. Phys.: Conf. Ser. 150, 042095 (2009).
1.
Takashi Nishioka, Riki Kobayashi, Takaichi Yasunami, Harukazu Kato, Masahiro Matsumura, and Kazuto Kodama, “Magnetic Properties of Ce5Si3 Single Crystal under Pressure”, J. Phys. Soc. Jpn, 76, Suppl., 45-46 (2007).