Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Yuki USAMI"'
Autor:
Takumi Kotooka, Sam Lilak, Adam Z. Stieg, James K. Gimzewski, Naoyuki Sugiyama, Yuichiro Tanaka, Takuya Kawabata, Ahmet Karacali, Hakaru Tamukoh, Yuki Usami, Hirofumi Tanaka
Publikováno v:
Advanced Electronic Materials, Vol 10, Iss 12, Pp n/a-n/a (2024)
Abstract The artificial intelligence (AI) paradigm shifts from software to implementing general‐purpose or application‐specific hardware systems with lower power requirements. This study explored a material physical reservoir consisting of a mate
Externí odkaz:
https://doaj.org/article/08d05e4269cd40bc8fe438503c90e264
Publikováno v:
Advanced Electronic Materials, Vol 10, Iss 12, Pp n/a-n/a (2024)
Abstract The synaptic plasticity of the Ag‐Ag2S nanoparticle‐based volatile memristor system is demonstrated. The nanoparticles self‐assemble into a network with over 103 interconnected atomic switch interfaces. Short‐term plasticity is ident
Externí odkaz:
https://doaj.org/article/5f9260047aad404a8663ab38a4d54cb3
Autor:
Oradee Srikimkaew, Saverio Ricci, Matteo Porzani, Thien Tan Dang, Yusuke Nakaoka, Yuki Usami, Daniele Ielmini, Hirofumi Tanaka
Publikováno v:
Advanced Electronic Materials, Vol 10, Iss 10, Pp n/a-n/a (2024)
Abstract This paper proposes a nanoparticle‐based atomic switch network memristive device, capable of both volatile and nonvolatile switching operations, which have not been previously reported for this material. The operational modes can be determ
Externí odkaz:
https://doaj.org/article/22a8a6316af744d8ae1e2aebb80e7e7f
Autor:
Gideon I. Livshits, Jiannan Bao, Leo Sakamoto, Tomoki Misaka, Yuki Usami, Yoichi Otsuka, Takuya Matsumoto
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract Liquid metals have attracted attention as functional components for moldable electronics, such as soft flexible connectors, wires or conductive ink. The relatively high surface tension (> 400 mN m−1) and the fact that liquid metals do not
Externí odkaz:
https://doaj.org/article/473ac4768b3d4b4da017a742de091294
Autor:
Deep Banerjee, Takumi Kotooka, Saman Azhari, Yuki Usami, Takuji Ogawa, James K. Gimzewski, Hakaru Tamukoh, Hirofumi Tanaka
Publikováno v:
Advanced Intelligent Systems, Vol 4, Iss 4, Pp n/a-n/a (2022)
Hardware‐based machine intelligence with the network architecture of reservoir computing (RC) is gaining interest because of its biological computational resemblance along with an easy and efficient neural network training approach. Herein, such a
Externí odkaz:
https://doaj.org/article/9972ad96db8a45da906c490f9789067b
Publikováno v:
Vacuum & Surface Science; 2024, Vol. 67 Issue 9, p428-432, 5p
Autor:
Saman Azhari, Kouki Kimizuka, Gábor Méhes, Yuki Usami, Yasuhiko Hayashi, Hirofumi Tanaka, Takeo Miyake
Publikováno v:
IEEE Sensors Journal. 23:7902-7909
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46eec3584f4911a8a145e9930fee464a
https://doi.org/10.1109/jsen.2023.3248021
https://doi.org/10.1109/jsen.2023.3248021
Publikováno v:
Nanoscale. 15:8169-8180
A porous scaffold template technique was used to fabricate a 3D network of a single-walled carbon nanotube polyoxometalate nanocomposite, demonstrating the advantage of an additional spatial dimension for in materio reservoir computing performance.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f0341825a3e3b9fb54275eab19b6c40
https://doi.org/10.1039/d2nr04619a
https://doi.org/10.1039/d2nr04619a
Autor:
Motoharu Nakajima, Kazuki Minegishi, Yosuke Shimizu, Yuki Usami, Hirofumi Tanaka, Tsuyoshi Hasegawa
Publikováno v:
Nanoscale. 14:7634-7640
A reservoir that is more sensitive to lower frequencies is developed by a Ag2S-island network, where Ag filament growth/shrinkage achieves non-linear transformation of input signals. Six logic operations are achieved with accuracy higher than 99%.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::365bded1769453eccfaf7641e563694f
https://doi.org/10.1039/d2nr01439d
https://doi.org/10.1039/d2nr01439d
Publikováno v:
The Journal of Physical Chemistry A. 124:5063-5070
Charge dynamics play an important role in numerous natural phenomena and artificial devices, and tracking charge migration and recombination is crucial for understanding the mechanism and function of systems involving charge transfer. Tip-synchronize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb87e502a55f249999cf05e668ba9c3e
https://doi.org/10.1021/acs.jpca.9b12017
https://doi.org/10.1021/acs.jpca.9b12017