Zobrazeno 1 - 10
of 164
pro vyhledávání: '"Akihiko OHI"'
Autor:
Norifusa Satoh, Masaji Otsuka, Tomoko Ohki, Akihiko Ohi, Yasuaki Sakurai, Yukihiko Yamashita, Takao Mori
Publikováno v:
Science and Technology of Advanced Materials, Vol 19, Iss 1, Pp 517-525 (2018)
To examine the potential of organic thermoelectrics (TEs) for energy harvesting, we fabricated an organic TE module to achieve 250 mV in the open-circuit voltage which is sufficient to drive a commercially available booster circuit designed for energ
Externí odkaz:
https://doaj.org/article/6b3cd9222d784fb5ab0d2c24430d5dc2
Autor:
Thang Duy Dao, Satoshi Ishii, Anh Tung Doan, Yoshiki Wada, Akihiko Ohi, Toshihide Nabatame, Tadaaki Nagao
Publikováno v:
Advanced Science, Vol 6, Iss 20, Pp n/a-n/a (2019)
Abstract Merging photonic structures and optoelectronic sensors into a single chip may yield a sensor‐on‐chip spectroscopic device that can measure the spectrum of matter. In this work, an on‐chip concurrent multiwavelength infrared (IR) sensor
Externí odkaz:
https://doaj.org/article/243bd1f6c3d0465fbf59d7ad428144c6
Autor:
Yoshihiro Irokawa, Toshihide Nabatame, Kazuya Yuge, Akira Uedono, Akihiko Ohi, Naoki Ikeda, Yasuo Koide
Publikováno v:
AIP Advances, Vol 9, Iss 8, Pp 085319-085319-5 (2019)
Interfaces in Al2O3/n-GaN capacitors fabricated on free-standing GaN substrates were investigated using sub-bandgap photo-assisted capacitance-voltage measurements. After post-metallization annealing (PMA) at 300 °C, the metal-oxide-semiconductor (M
Externí odkaz:
https://doaj.org/article/465bb7cbaac545f2b38decec312e732c
Autor:
Takashi Onaya, Toshihide Nabatame, Naomi Sawamoto, Akihiko Ohi, Naoki Ikeda, Takahiro Nagata, Atsushi Ogura
Publikováno v:
APL Materials, Vol 7, Iss 6, Pp 061107-061107-7 (2019)
A ferroelectric HfxZr1−xO2 (HZO) thin film crystallized with nanocrystalline top- and bottom-ZrO2 nucleation layers (D-ZrO2) exhibited superior remanent polarization (2Pr = Pr+ − Pr− = 29 μC/cm2) compared to that of similar thin films (12 μC/
Externí odkaz:
https://doaj.org/article/1366092bf60c4876a2a8af14ee2b1a5b
Autor:
Hai Dang Ngo, Kai Chen, Ørjan S. Handegård, Anh Tung Doan, Thien Duc Ngo, Thang Duy Dao, Naoki Ikeda, Akihiko Ohi, Toshihide Nabatame, Tadaaki Nagao
Publikováno v:
Micromachines, Vol 11, Iss 1, p 23 (2019)
Among conductive oxide materials, niobium doped titanium dioxide has recently emerged as a stimulating and promising contestant for numerous applications. With carrier concentration tunability, high thermal stability, mechanical and environmental rob
Externí odkaz:
https://doaj.org/article/5cd54c8f1ad4415698849be8709c776e
Publikováno v:
International Journal of Molecular Sciences, Vol 15, Iss 3, Pp 4299-4317 (2014)
Physical topographical features and/or chemical stimuli to the extracellular matrix (ECM) provide essential cues that manipulate cell functions. From the physical point of view, contoured nanostructures are very important for cell behavior in general
Externí odkaz:
https://doaj.org/article/d91ecf665fc0450ea17c14f4985fa91c
Autor:
Thang Duy Dao, Chung Vu Hoang, Natsuki Nishio, Naoki Yamamoto, Akihiko Ohi, Toshihide Nabatame, Masakazu Aono, Tadaaki Nagao
Publikováno v:
Micromachines, Vol 10, Iss 7, p 468 (2019)
On the search for the practical plasmonic materials beyond noble metals, aluminum has been emerging as a favorable candidate as it is abundant and offers the possibility of tailoring the plasmonic resonance spanning from ultra-violet to the infrared
Externí odkaz:
https://doaj.org/article/d4d5d914db124f4f8b1bd5c894917186
Autor:
Anh Tung Doan, Takahiro Yokoyama, Thang Duy Dao, Satoshi Ishii, Akihiko Ohi, Toshihide Nabatame, Yoshiki Wada, Shigenao Maruyama, Tadaaki Nagao
Publikováno v:
Micromachines, Vol 10, Iss 6, p 413 (2019)
Spectrally selective detection is of crucial importance for diverse modern spectroscopic applications such as multi-wavelength pyrometry, non-dispersive infrared gas sensing, biomedical analysis, flame detection, and thermal imaging. This paper repor
Externí odkaz:
https://doaj.org/article/36dfe435ba2742afbf825bef29daa9f8
Autor:
Thang Duy Dao, Anh Tung Doan, Satoshi Ishii, Takahiro Yokoyama, Handegård Sele Ørjan, Dang Hai Ngo, Tomoko Ohki, Akihiko Ohi, Yoshiki Wada, Chisato Niikura, Shinsuke Miyajima, Toshihide Nabatame, Tadaaki Nagao
Publikováno v:
Micromachines, Vol 10, Iss 6, p 416 (2019)
We propose and experimentally demonstrate a compact design for membrane-supported wavelength-selective infrared (IR) bolometers. The proposed bolometer device is composed of wavelength-selective absorbers functioning as the efficient spectroscopic IR
Externí odkaz:
https://doaj.org/article/677a68d45a324af19064a96327b04ede
Autor:
Toshihide Nabatame, Tomomi Sawada, Akihiko Ohi, Takashi Onaya, Mari Inoue, Naoki Ikeda, Kazuhito Tsukagoshi
Publikováno v:
ECS Transactions. 104:121-128
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a055dc26bcad2699a10c4b6cf09de47
https://doi.org/10.1149/10404.0121ecst
https://doi.org/10.1149/10404.0121ecst