Zobrazeno 1 - 10
of 362
pro vyhledávání: '"Keiji Ueno"'
Autor:
Takumi Fukuda, Kotaro Makino, Yuta Saito, Paul Fons, Atsushi Ando, Takuya Mori, Ryo Ishikawa, Keiji Ueno, Jessica Afalla, Muneaki Hase
Publikováno v:
APL Materials, Vol 12, Iss 2, Pp 021102-021102-11 (2024)
Layered transition-metal dichalcogenides (TMDs) are model systems to explore ultrafast many-body interactions and various nonlinear optical phenomena. For the application of TMD-based optoelectronic devices capable of ultrafast response, it is essent
Externí odkaz:
https://doaj.org/article/a4ddb1b4bb6348eb99b3c63c905ca11a
Autor:
Wataru Nishiyama, Tomonori Nishimura, Masao Nishioka, Keiji Ueno, Satoshi Iwamoto, Kosuke Nagashio
Publikováno v:
Advanced Photonics Research, Vol 3, Iss 11, Pp n/a-n/a (2022)
2D bulk PdSe2, a group 10 noble metal dichalcogenide, is recognized as a newly found far‐infrared material with a bandgap energy (E G) of ≈0.05 eV and thus has attracted much attention as an optoelectronic material. However, the bandgap energy of
Externí odkaz:
https://doaj.org/article/32a528d5e5c4465ca126702e211b8045
Autor:
Ciao‐Fen Chen, Shih‐Hsien Yang, Che‐Yi Lin, Mu‐Pai Lee, Meng‐Yu Tsai, Feng‐Shou Yang, Yuan‐Ming Chang, Mengjiao Li, Ko‐Chun Lee, Keiji Ueno, Yumeng Shi, Chen‐Hsin Lien, Wen‐Wei Wu, Po‐Wen Chiu, Wenwu Li, Shun‐Tsung Lo, Yen‐Fu Lin
Publikováno v:
Advanced Science, Vol 9, Iss 24, Pp n/a-n/a (2022)
Abstract Van der Waals (vdW) heterostructures—in which layered materials are purposely selected to assemble with each other—allow unusual properties and different phenomena to be combined and multifunctional electronics to be created, opening a n
Externí odkaz:
https://doaj.org/article/7da19519499f47f587daa01d2ae1254b
Publikováno v:
Journal of Applied Glycoscience; 2024, Vol. 71 Issue 2, p47-54, 8p
Autor:
Junho Choi, Jacob Embley, Daria D. Blach, Raül Perea-Causín, Daniel Erkensten, Dong Seob Kim, Long Yuan, Woo Young Yoon, Takashi Taniguchi, Kenji Watanabe, Keiji Ueno, Emanuel Tutuc, Samuel Brem, Ermin Malic, Xiaoqin Li, Libai Huang
Publikováno v:
Nano Letters. 23:4399-4405
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcabefa3b4401d29792caed6a5729edf
https://doi.org/10.1021/acs.nanolett.3c00678
https://doi.org/10.1021/acs.nanolett.3c00678
Autor:
Takako Muraoka, Kenta Fujiwara, Hyuga Furukawa, Masayoshi Ikeda, Kanako Kobayashi, Takako Kudo, Keiji Ueno, Yusuke Sunada, Hikaru Takaya, Yuka Ikemoto, Taro Moriwaki
Publikováno v:
Organometallics. 42:982-994
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d9f838036e3d87beeb55b06531f89c4
https://doi.org/10.1021/acs.organomet.3c00145
https://doi.org/10.1021/acs.organomet.3c00145
Autor:
Hiroto Ogura, Seiya Kawasaki, Zheng Liu, Takahiko Endo, Mina Maruyama, Yanlin Gao, Yusuke Nakanishi, Hong En Lim, Kazuhiro Yanagi, Toshifumi Irisawa, Keiji Ueno, Susumu Okada, Kosuke Nagashio, Yasumitsu Miyata
Publikováno v:
ACS Nano. 17:6545-6554
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fb4735fe03a8c0e5e4dcadc358ec672
https://doi.org/10.1021/acsnano.2c11927
https://doi.org/10.1021/acsnano.2c11927
Publikováno v:
European Journal of Inorganic Chemistry.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::916065cf202590d67a453e4ced0ed4f2
https://doi.org/10.1002/ejic.202300124
https://doi.org/10.1002/ejic.202300124
Autor:
Jessica Afalla, Joselito Muldera, Semmi Takamizawa, Takumi Fukuda, Keiji Ueno, Masahiko Tani, Muneaki Hase
Publikováno v:
Journal of Applied Physics. 133
Terahertz (THz) time-domain emission spectroscopy was performed on layered 2H-MoSe 2 and 2H-WSe 2. The THz emission shows an initial cycle attributed to surge currents and is followed by oscillations attributed to coherent interlayer phonon modes. To
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71eabe6195bce026a8f631380438f220
https://doi.org/10.1063/5.0146489
https://doi.org/10.1063/5.0146489
Autor:
Taro Sasaki, Keiji Ueno, Takashi Taniguchi, Kenji Watanabe, Tomonori Nishimura, Kosuke Nagashio
Publikováno v:
ACS Applied Materials & Interfaces. 14:25659-25669
Recently, the ultrafast operation (∼20 ns) of a two-dimensional (2D) heterostructured nonvolatile memory (NVM) device was demonstrated, attracting considerable attention. However, there is no consensus on its physical origin. In this study, various
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a773a64c34dfe0a0def7e15dfd1a4fcf
https://doi.org/10.1021/acsami.2c03198
https://doi.org/10.1021/acsami.2c03198