Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Yohei Uemura"'
Autor:
Kohei Yamamoto, Yuya Kubota, Motohiro Suzuki, Yasuyuki Hirata, Karel Carva, Marco Berritta, Kou Takubo, Yohei Uemura, Ryo Fukaya, Kenta Tanaka, Wataru Nishimura, Takuo Ohkochi, Tetsuo Katayama, Tadashi Togashi, Kenji Tamasaku, Makina Yabashi, Yoshihito Tanaka, Takeshi Seki, Koki Takanashi, Peter M Oppeneer, Hiroki Wadati
Publikováno v:
New Journal of Physics, Vol 21, Iss 12, p 123010 (2019)
Unraveling the origin of ultrafast demagnetization in multisublattice ferromagnetic materials requires femtosecond x-ray techniques to trace the magnetic moment dynamics on individual elements, but this could not yet be achieved in the hard x-ray reg
Externí odkaz:
https://doaj.org/article/cc0cd1de1d1346d1ab7f5d7587ba5905
Autor:
Ken Motokura, Takuma Fukuda, Yohei Uemura, Daiju Matsumura, Marika Ikeda, Masayuki Nambo, Wang-Jae Chun
Publikováno v:
Catalysts, Vol 8, Iss 3, p 106 (2018)
In this study, mesoporous and nonporous silica-supported Pd complexes were synthesized and characterized. Variable-temperature XAFS measurements and a curve-fitting analysis showed a slightly larger contribution of σ2static when the Pd complexes wer
Externí odkaz:
https://doaj.org/article/2f68f5a1b0814632a6c68a84180e1d73
Autor:
Xin Zheng, Masaru Kato, Yohei Uemura, Daiju Matsumura, Ichizo Yagi, Kiyonori Takahashi, Shin-ichiro Noro, Takayoshi Nakamura
Publikováno v:
Inorganic Chemistry. 62:1257-1263
Autor:
Daiki Kido, Yohei Uemura, Yuki Wakisaka, Akihiro Koide, Hiromitsu Uehara, Yasuhiro Niwa, Shunsuke Nozawa, Kohei Ichiyanagi, Ryo Fukaya, Shin-ichi Adachi, Tokushi Sato, Harry Jenkins, Toshihiko Yokoyama, Satoru Takakusagi, Jun-ya Hasegawa, Kiyotaka Asakura
Publikováno v:
Chemistry Letters. 51:1083-1086
Publikováno v:
The Journal of Physical Chemistry C. 126:9257-9263
Defects in powder photocatalysts determine the photocatalytic activity. The addition of defects sometimes enhances the activity, but sometimes decreases it. However, the factors determining the difference between these cases have not been fully eluci
Autor:
Yohei Uemura, Kiyotaka Nakajima, Yuichi Manaka, Kyogo Maeda, Wang-Jae Chun, Ken Motokura, Shazia Sharmin Satter
Publikováno v:
ACS Catalysis. 10:14552-14559
We have developed a catalyst in which an Ir complex and organic functionalities are coimmobilized on the silica surface. The catalytic activity for aromatic C–H borylation was significantly affecte...
Autor:
Yuki Wakisaka, Yohei Uemura, Daiki Kido, Hiroko Ariga-Miwa, Satoru Takakuasgi, Kiyotaka Asakura
Publikováno v:
e-Journal of Surface Science and Nanotechnology. 18:249-261
Extended X-ray absorption fine structure (EXAFS) plays an important role in the surface science and nanotechnology to characterize the non-crystalline materials using the curve fitting (CF) analysis. However, the CF has problems such as correlation b
Autor:
Ryota Nakahoshiba, Kazuya Ogura, Tomoya Uruga, Shoichi Tokuda, Yohei Uemura, Ichizo Yagi, Masaru Kato, Satoshi Yasuda, Kotaro Higashi
Publikováno v:
ACS Applied Energy Materials. 3:6768-6774
Pt-based nanostructures immobilized on carbon supports have been widely used as electrocatalysts. Their catalytic activity can be improved by support modification including nitrogen doping and coating with nitrogen-containing polymers, where nitrogen
Autor:
Satoshi Matsuoka, Yohei Uemura, Sachio Horiuchi, Hisashi Yamada, Reiji Kumai, Akihito Sawa, Jun'ya Tsutsumi, Shunto Arai, Tatsuo Hasegawa
Publikováno v:
Ferroelectrics. 556:37-43
A noncontact optical imaging technique called “ferroelectrics field modulation imaging (FFMI)” is developed to visualize ferroelectric domains and domain walls. The difference image sensing techniq...
Autor:
Yohei Uemura, Hiroki Taniguchi, Koji Maruyama, Tatsuo Hasegawa, Yuto Kawamura, Jun Harada, Yukihiro Takahashi
Publikováno v:
Journal of the American Chemical Society. 141:9349-9357
Molecular ferroelectric crystals have attracted growing interest as potential alternatives to conventional lead-based ceramic ferroelectrics. We have recently discovered that a class of compounds known as plastic crystals can show multiaxial ferroele