奥山大輔 (Daisuke Okuyama) - 論文

Higher-order modulations in the skyrmion lattice phase of Cu2OSeO3

Johannes D. Reim, Shinnosuke Matsuzaka, Koya Makino, Seno Aji, Ryo Murasaki, Daiki Higashi, Daisuke Okuyama, Yusuke Nambu, Elliot P. Gilbert, Norman Booth, Shinichiro Seki, Yoshinori Tokura, Taku J Sato

Physical Review B 106(10) 104406-1-104406-12 2022年9月7日査読有り

Zigzag magnetic order in the Kitaev spin-liquid candidate material RuB3 with a honeycomb lattice

Yoshinori Imai, Kazuhiro Nawa, Yasuhiro Shimizu, Wakana Yamada, Hideyuki Fujihara, Takuya Aoyama, Ryotaro Takahashi, Daisuke Okuyama, Takamasa Ohashi, Masato Hagihala, Shuki Torii, Daisuke Morikawa, Masami Terauchi, Takayuki Kawamata, Masatsune Kato, Hirotada Gotou, Masayuki Itoh, Taku J. Sato, Kenya Ohgushi

Physical Review B 105(4) 2022年1月26日査読有り

Experimental Observation of Long-Range Magnetic Order in Icosahedral Quasicrystals

Ryuji Tamura, Asuka Ishikawa, Shintaro Suzuki, Takahiro Kotajima, Yujiro Tanaka, Takehito Seki, Naoya Shibata, Tsunetomo Yamada, Takenori Fujii, Chin-Wei Wang, Maxim Avdeev, Kazuhiro Nawa, Daisuke Okuyama, Taku J. Sato

Journal of the American Chemical Society 143(47) 19938-19944 2021年12月1日査読有り

Formation of Single Polar Domain in α-Cu2V2O7

Pharit Piyawongwatthana, Daisuke Okuyama, Kazuhiro Nawa, Kittiwit Matan, Taku J. Sato

Journal of the Physical Society of Japan 90(2) 025003-025003 2021年2月15日査読有り

Crystal Structure and Magnetic Properties of the Breathing Kagome Ising Antiferromagnet Yb3Ni11Ge4.63

Mitsuru Takahashi, Kazuhiro Nawa, Daisuke Okuyama, Hiroyuki Nojiri, Matthias D. Frontzek, Maxim Avdeev, Masahiro Yoshida, Daichi Ueta, Hideki Yoshizawa, Taku J. Sato

Journal of the Physical Society of Japan 89(9) 094704-094704 2020年9月15日査読有り

Structural-transition-driven antiferromagnetic to spin-glass transition in Cd–Mg–Tb 1/1 approximants

Farid Labib, Daisuke Okuyama, Nobuhisa Fujita, Tsunetomo Yamada, Satoshi Ohhashi, Daisuke Morikawa, Kenji Tsuda, Taku J Sato, An-Pang Tsai

Journal of Physics: Condensed Matter 32(48) 485801-1-485801-8 2020年9月3日査読有り

Magnetic properties of icosahedral quasicrystals and their cubic approximants in the Cd–Mg–RE (RE = Gd, Tb, Dy, Ho, Er, and Tm) systems

Farid Labib, Daisuke Okuyama, Nobuhisa Fujita, Tsunetomo Yamada, Satoshi Ohhashi, Taku J Sato, An-Pang Tsai

Journal of Physics: Condensed Matter 32(41) 415801-415801 2020年7月15日査読有り

Ferroelectric atomic displacement in multiferroic tetragonal perovskite Sr1/2Ba1/2MnO3

D. Okuyama, K. Yamauchi, H. Sakai, Y. Taguchi, Y. Tokura, K. Sugimoto, T. J. Sato, T. Oguchi

Physical Review Research 2(3) 033038-1-033038-9 2020年7月8日査読有り筆頭著者

Hydrogenation of acetylene and propyne over hydrogen storage ErNi$_{5-x}$Al$_{x}$ alloys and the role of absorbed hydrogen

Ryota Tsukuda, Takayuki Kojima, Daisuke Okuyama, Satoshi Kameoka, Chikashi Nishimura, An-Pang Tsai

International Journal of Hydrogen Energy 45(38) 19226-19236 2020年5月31日査読有り

Effect of Ge substitution on magnetic properties in the itinerant chiral magnet MnSi

Seno Aji, Hidesato Ishida, Daisuke Okuyama, Kazuhiro Nawa, Tao Hong, Taku J. Sato

Physical Review Materials 3 104408-1-104408-9 2019年10月査読有り

Deformation of the moving magnetic skyrmion lattice in MnSi under electric current flow

D. Okuyama, M. Bleuel, J.S. White, Q. Ye, J. Krzywon, G. Nagy, Z.Q. Im, I. Zivkovic, M. Bartkowiak, H.M. Ronnow, S. Hoshino, J. Iwasaki, N. Nagaosa, A. Kikkawa, Y. Taguchi, Y. Tokura, D. Higashi, J.D. Reim, Y. Nambu, T.J. Sato

Communications Physics 2(1) 79-1-79-7 2019年7月査読有り

Controlling the stoichiometry of the triangular lattice antiferromagnet Li_1+xZn_2−yMo₃O₈

Kim E. Sandvik, Daisuke Okuyama, Kazuhiro Nawa, Maxim Avdeev, Taku J. Sato

Journal of Solid State Chemistry 271 216-221 2019年1月査読有り

Crystal Structure in Quadrupolar Kondo Candidate PrTr$_{2}$Al$_{20}$ (Tr = Ti and V)

Daisuke Okuyama, Masaki Tsujimoto, Hajime Sagayama, Yasuyuki Shimura, Akito Sakai, Atsushi Magata, Satoru Nakatsuji, Taku J Sato

J. Phys. Soc. Jpn. 88(1) 015001-1-015001-2 2019年1月査読有り

Degenerate ground state in the classical pyrochlore antiferromagnet Na$_{3}$Mn(CO$_{3}$)$_{2}$Cl

K. Nawa, D. Okuyama, M. Avdeev, H. Nojiri, M. Yoshida, D. Ueta, H. Yoshizawa, T. J Sato

Physical Review B 98(14) 144426(1)-144426(8) 2018年10月査読有り

Spin Seebeck effect in the polar antiferromagnet α-Cu₂V₂O₇

Y. Shiomi, R. Takashima, D. Okuyama, G. Gitgeatpong, P. Piyawongwatthana, K. Matan, T. J. Sato, E. Saitoh

Physical Review B 96(18) 180414(1)-180414(5) 2017年11月査読有り

Creating the hydrogen absorption capability of CeNi5 through the addition of Al

Ryo Yamagishi, Takayuki Kojima, Satoshi Kameoka, Daisuke Okuyama, Taku J. Sato, Chikashi Nishimura, An-Pang Tsai

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 42(34) 21832-21840 2017年8月査読有り

Impact of minute-time-scale kinetics on the stabilization of the skyrmion-lattice in Cu2OSeO3

Johannes D. Reim, Koya Makino, Daiki Higashi, Yusuke Nambu, Daisuke Okuyama, Taku J Sato, Elliot P. Gilbert, Norman Booth, Shinichiro Seki

Journal of Physics: Conference Series 828(1) 1-7 2017年4月20日査読有り

Thermal stability and irreversibility of skyrmion-lattice phases in Cu$_{2}$OSeO$_{3}$

Koya Makino, Johannes D. Reim, Daiki Higashi, Daisuke Okuyama, Taku J. Sato, Yusuke Nambu, Elliot P. Gilbert, Norman Booth, Shinichiro Seki, Yoshinori Tokura

PHYSICAL REVIEW B 95(13) 134412-1-134412-10 2017年4月査読有り

Helical magnetic structure in cubic chiral crystal Pr5Ru3Al2

Okuyama Daisuke, Makino Koya, Avdeev Maxim, Ohishi Kazuki, Yamauchi Kunihiko, Oguchi Tamio, Sato Taku J

ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES 73 C1343-C1343 2017年査読有り

Tiny adiabatic-demagnetization refrigerator for a commercial superconducting quantum interference device magnetometer

Taku J. Sato, Daisuke Okuyama, Hideo Kimura

REVIEW OF SCIENTIFIC INSTRUMENTS 87(12) 123905-1-123905-7 2016年12月査読有り

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