Zobrazeno 1 - 10
of 490
pro vyhledávání: '"Osami Sakata"'
Autor:
Shogo Kawaguchi, Shintaro Kobayashi, Hiroki Yamada, Hirotaka Ashitani, Michitaka Takemoto, Yasuhiko Imai, Takaki Hatsui, Kunihisa Sugimoto, Osami Sakata
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 4, Pp 955-967 (2024)
The demand for powder X-ray diffraction analysis continues to increase in a variety of scientific fields, as the excellent beam quality of high-brightness synchrotron light sources enables the acquisition of high-quality measurement data with high in
Externí odkaz:
https://doaj.org/article/8f70812f848549d29bfea343c73dd7b0
Autor:
Tomokazu Sano, Tomoki Matsuda, Akio Hirose, Mitsuru Ohata, Tomoyuki Terai, Tomoyuki Kakeshita, Yuichi Inubushi, Takahiro Sato, Kohei Miyanishi, Makina Yabashi, Tadashi Togashi, Kensuke Tono, Osami Sakata, Yoshinori Tange, Kazuto Arakawa, Yusuke Ito, Takuo Okuchi, Tomoko Sato, Toshimori Sekine, Tsutomu Mashimo, Nobuhiko Nakanii, Yusuke Seto, Masaya Shigeta, Takahisa Shobu, Yuji Sano, Tomonao Hosokai, Takeshi Matsuoka, Toshinori Yabuuchi, Kazuo A. Tanaka, Norimasa Ozaki, Ryosuke Kodama
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract Over the past century, understanding the nature of shock compression of condensed matter has been a major topic. About 20 years ago, a femtosecond laser emerged as a new shock-driver. Unlike conventional shock waves, a femtosecond laser-driv
Externí odkaz:
https://doaj.org/article/e7aa8878c021417eb97e0c7d3678896e
Autor:
Xueyou Yuan, Kazuki Okamoto, Mitsuki Kawano, Masahito Yoshino, Takanori Nagasaki, Yasuhiko Imai, Osami Sakata, Tomoaki Yamada
Publikováno v:
Advanced Electronic Materials, Vol 10, Iss 1, Pp n/a-n/a (2024)
Abstract Ferroelectric monoclinic phases have attracted exceptional attention as the origin of giant piezoelectricity, whilst the detailed contributions of ferroelastic domain switching and electric‐field induced lattice strain to the piezoelectric
Externí odkaz:
https://doaj.org/article/fc307a87356942ada1fc9cce2e350760
Autor:
Osami Sakata, Shinjiro Yagyu
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 3, Iss 1 (2023)
Synchrotron X-ray rocking curve imaging (RCI) is modified to visualize local bending of lattice planes of a single crystal substrate (XR-V-LBLP). This method uses two-azimuth RCI datasets of asymmetric reflection or symmetric reflection. The analysis
Externí odkaz:
https://doaj.org/article/50f5970e5d9c4b5092b713ed8ffffb1f
Autor:
Kazuki Iizuka, Tomoaki Kumeda, Kota Suzuki, Hiroo Tajiri, Osami Sakata, Nagahiro Hoshi, Masashi Nakamura
Publikováno v:
Communications Chemistry, Vol 5, Iss 1, Pp 1-8 (2022)
Electrocatalytic oxygen evolution is a key reaction for water splitting, but the detailed atomic structures of single-crystal electrodes under cycling conditions are still not fully understood. Here, the authors study the oxygen evolution activity on
Externí odkaz:
https://doaj.org/article/000844191a824eb8901f7dcde371bf11
Autor:
Dongshuang Wu, Kohei Kusada, Susan Meñez Aspera, Hiroshi Nakanishi, Yanna Chen, Okkyun Seo, Chulho Song, Jaemyung Kim, Satoshi Hiroi, Osami Sakata, Tomokazu Yamamoto, Syo Matsumura, Yusuke Nanba, Michihisa Koyama, Naoki Ogiwara, Shogo Kawaguchi, Yoshiki Kubota, Hiroshi Kitagawa
Publikováno v:
ACS Materials Au, Vol 2, Iss 2, Pp 110-116 (2021)
Externí odkaz:
https://doaj.org/article/acb6e39052ac4e59aadbfcd1e6e6a799
Autor:
Dongshuang Wu, Kohei Kusada, Satoru Yoshioka, Tomokazu Yamamoto, Takaaki Toriyama, Syo Matsumura, Yanna Chen, Okkyun Seo, Jaemyung Kim, Chulho Song, Satoshi Hiroi, Osami Sakata, Toshiaki Ina, Shogo Kawaguchi, Yoshiki Kubota, Hirokazu Kobayashi, Hiroshi Kitagawa
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Ru is one of the most active metals for oxygen evolution reaction, but it quickly dissolves in acidic electrolyte particularly in nanosized form. Here, the authors show that coral-like solid-solution Ru‒Ir consisting of 3 nm-thick sheets with only
Externí odkaz:
https://doaj.org/article/93a3c76b419541ecadf31a15cda7b221
Effect of hydrophobic cations on the oxygen reduction reaction on single‒crystal platinum electrodes
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
Highly active catalysts for the oxygen reduction reaction are valuable for fuel cells. Here the authors evaluate catalytic activity of single-crystal platinum electrodes in acidic solutions that contain hydrophobic cations, which prevent the adsorpti
Externí odkaz:
https://doaj.org/article/6c9b50a00a6e469a8c4d2cfdd9fc417a
Autor:
Tomoaki Yamada, Daisuke Ito, Tomas Sluka, Osami Sakata, Hidenori Tanaka, Hiroshi Funakubo, Takahiro Namazu, Naoki Wakiya, Masahito Yoshino, Takanori Nagasaki, Nava Setter
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Abstract Strain engineering is a widespread strategy used to enhance performance of devices based on semiconductor thin films. In ferroelectrics strain engineering is used to control the domain pattern: When an epitaxial film is biaxially compressed,
Externí odkaz:
https://doaj.org/article/bf8ef723e26b4d1eb16e1242452238e4
Publikováno v:
ACS Omega, Vol 2, Iss 5, Pp 1858-1863 (2017)
Externí odkaz:
https://doaj.org/article/2b0ac3a715334433a733f90be83fb41a