Zobrazeno 1 - 10
of 255
pro vyhledávání: '"Mitsutaka NAKAMURA"'
Autor:
Song Bao, Zhao-Long Gu, Yanyan Shangguan, Zhentao Huang, Junbo Liao, Xiaoxue Zhao, Bo Zhang, Zhao-Yang Dong, Wei Wang, Ryoichi Kajimoto, Mitsutaka Nakamura, Tom Fennell, Shun-Li Yu, Jian-Xin Li, Jinsheng Wen
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract Magnon polarons are novel elementary excitations possessing hybrid magnonic and phononic signatures, and are responsible for many exotic spintronic and magnonic phenomena. Despite long-term sustained experimental efforts in chasing for magno
Externí odkaz:
https://doaj.org/article/5af7db7a8f58480b96c6e6bbfb85a49e
Autor:
Kazuki Iida, Katsuaki Kodama, Yasuhiro Inamura, Mitsutaka Nakamura, Lieh-Jeng Chang, Shin-ichi Shamoto
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-7 (2022)
Abstract Spin excitation of an ilmenite FeTiO3 powder sample is measured by time-of-flight inelastic neutron scattering. The dynamic magnetic pair-density function D M (r, E) is obtained from the dynamic magnetic structure factor S M (Q, E) by the Fo
Externí odkaz:
https://doaj.org/article/af3547a1f5904568a49d0b84e46c62c9
Autor:
Yuanxi Yu, Chenxing Yang, Matteo Baggioli, Anthony E. Phillips, Alessio Zaccone, Lei Zhang, Ryoichi Kajimoto, Mitsutaka Nakamura, Dehong Yu, Liang Hong
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-10 (2022)
A description of the vibrational properties of amorphous ice confined in graphene oxide membranes, as an exemplary nanoconfined material, is presented. Inelastic neutron scattering experiments and molecular dynamics simulations show anomalous deviati
Externí odkaz:
https://doaj.org/article/2558ca5236f6479392cd86542d64c679
Autor:
Peng Wu, Naoki Murai, Tongrui Li, Ryoichi Kajimoto, Mitsutaka Nakamura, Maiko Kofu, Kenji Nakajima, Kang Xia, Kunling Peng, Yue Zhang, Weisheng Zhao
Publikováno v:
New Journal of Physics, Vol 25, Iss 1, p 013032 (2023)
The understanding of the lattice dynamics is essential for engineering the thermal transport properties in quantum materials. Based on the canonical point of view, acoustic phonons are believed to be the principal thermal carriers in heat flow. Here,
Externí odkaz:
https://doaj.org/article/726817e8b8154fdab747ed6ceef35001
Autor:
Motoyuki Ishikado, Katsuaki Kodama, Ryoichi Kajimoto, Mitsutaka Nakamura, Yasuhiro Inamura, Kazuhiko Ikeuchi, Sungdae Ji, Masatoshi Arai, Shin-ichi Shamoto
Publikováno v:
Condensed Matter, Vol 4, Iss 3, p 69 (2019)
Inelastic neutron scattering measurements have been performed on a superconducting single crystal FeTe 0.5 Se 0.5 to examine the Q -dependent enhancement of the dynamical structure factor, S ( Q , E ) , from Q = (0, 0) to ( π , π ), including ( π
Externí odkaz:
https://doaj.org/article/fa4857a49a7d43f78cd5dea82bdf92dd
Autor:
Kenji Nakajima, Yukinobu Kawakita, Shinichi Itoh, Jun Abe, Kazuya Aizawa, Hiroyuki Aoki, Hitoshi Endo, Masaki Fujita, Kenichi Funakoshi, Wu Gong, Masahide Harada, Stefanus Harjo, Takanori Hattori, Masahiro Hino, Takashi Honda, Akinori Hoshikawa, Kazutaka Ikeda, Takashi Ino, Toru Ishigaki, Yoshihisa Ishikawa, Hiroki Iwase, Tetsuya Kai, Ryoichi Kajimoto, Takashi Kamiyama, Naokatsu Kaneko, Daichi Kawana, Seiko Ohira-Kawamura, Takuro Kawasaki, Atsushi Kimura, Ryoji Kiyanagi, Kenji Kojima, Katsuhiro Kusaka, Sanghyun Lee, Shinichi Machida, Takatsugu Masuda, Kenji Mishima, Koji Mitamura, Mitsutaka Nakamura, Shoji Nakamura, Akiko Nakao, Tatsuro Oda, Takashi Ohhara, Kazuki Ohishi, Hidetoshi Ohshita, Kenichi Oikawa, Toshiya Otomo, Asami Sano-Furukawa, Kaoru Shibata, Takenao Shinohara, Kazuhiko Soyama, Jun-ichi Suzuki, Kentaro Suzuya, Atsushi Takahara, Shin-ichi Takata, Masayasu Takeda, Yosuke Toh, Shuki Torii, Naoya Torikai, Norifumi L. Yamada, Taro Yamada, Dai Yamazaki, Tetsuya Yokoo, Masao Yonemura, Hideki Yoshizawa
Publikováno v:
Quantum Beam Science, Vol 1, Iss 3, p 9 (2017)
The neutron instruments suite, installed at the spallation neutron source of the Materials and Life Science Experimental Facility (MLF) at the Japan Proton Accelerator Research Complex (J-PARC), is reviewed. MLF has 23 neutron beam ports and 21 instr
Externí odkaz:
https://doaj.org/article/f27845ea310c448bbb41d4654bac5ac9
Autor:
Kaoru Sakasai, Setsuo Satoh, Tomohiro Seya, Tatsuya Nakamura, Kentaro Toh, Hideshi Yamagishi, Kazuhiko Soyama, Dai Yamazaki, Ryuji Maruyama, Takayuki Oku, Takashi Ino, Hiroshi Kira, Hirotoshi Hayashida, Kenji Sakai, Shinichi Itoh, Kentaro Suzuya, Wataru Kambara, Ryoichi Kajimoto, Kenji Nakajima, Kaoru Shibata, Mitsutaka Nakamura, Toshiya Otomo, Takeshi Nakatani, Yasuhiro Inamura, Jiro Suzuki, Takayoshi Ito, Nobuo Okazaki, Kentaro Moriyama, Kazuya Aizawa, Seiko Ohira-Kawamura, Masao Watanabe
Publikováno v:
Quantum Beam Science, Vol 1, Iss 2, p 10 (2017)
Neutron devices such as neutron detectors, optical devices including supermirror devices and 3He neutron spin filters, and choppers are successfully developed and installed at the Materials Life Science Facility (MLF) of the Japan Proton Accelerator
Externí odkaz:
https://doaj.org/article/095434ccf02243da8b95a337d25d29e9
Autor:
Takashi Kurumaji, Masaki Gen, Shunsuke Kitou, Kazuhiko Ikeuchi, Mitsutaka Nakamura, Akihiko Ikeda, Taka-hisa Arima
Publikováno v:
Journal of Alloys and Compounds. 947:169475
We study structural and magnetic properties of rare-earth based semimetals RAuGe (R = Y, Gd-Tm, and Lu) using flux-grown single crystals. These compounds belong to the noncentrosymmetric polar space group P63mc. We confirm the systematic structural e
Autor:
Soichi Kikkawa, Saburo Hosokawa, Kazuya Kamazawa, Tsunehiro Tanaka, Kenji Hara, Akira Yamamoto, Hisao Yoshida, Seiji Yamazoe, Mitsutaka Nakamura
Publikováno v:
Topics in Catalysis. 64:660-671
Adsorbed hydrogen (H) species on catalyst surfaces are important active intermediates in many catalytic reactions and detailed analyses of them are necessary to understand the catalyses. Inelastic neutron scattering (INS) enables direct and selective
Autor:
Tatsuya Tsukuda, Kazuya Kamazawa, Akira Yamamoto, Tsunehiro Tanaka, Ryoichi Fukuda, Hisao Yoshida, Seiji Yamazoe, Mitsutaka Nakamura, Saburo Hosokawa, Kenji Hara
Publikováno v:
Catalysis Science & Technology. 11:116-123
Hydrogen (H) species adsorbed on catalyst surfaces are key intermediates in catalytic hydrogenation reactions over supported metal catalysts. However, individual identification of H species on the metal catalysts has not been established to date. Her