Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Takeshi Kasaya"'
Anomalous enhancement of thermoelectric power factor in multiple two-dimensional electron gas system
Autor:
Yuto Uematsu, Takafumi Ishibe, Takaaki Mano, Akihiro Ohtake, Hideki T. Miyazaki, Takeshi Kasaya, Yoshiaki Nakamura
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-8 (2024)
Abstract Toward drastic enhancement of thermoelectric power factor, quantum confinement effect proposed by Hicks and Dresselhaus has intrigued a lot of researchers. There has been much effort to increase power factor using step-like density-of-states
Externí odkaz:
https://doaj.org/article/7d35bc80d8684f3390e98d824a445465
Autor:
Hideki T. Miyazaki, Takaaki Mano, Takeshi Kasaya, Hirotaka Osato, Kazuhiro Watanabe, Yoshimasa Sugimoto, Takuya Kawazu, Yukinaga Arai, Akitsu Shigetou, Tetsuyuki Ochiai, Yoji Jimba, Hiroshi Miyazaki
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-10 (2020)
Applications of metasurfaces for optoelectronic devices require wiring to each isolated antenna for biasing and current flow. Here, the authors report optimal wire interconnects design for controlling the optical properties and present antenna-enhanc
Externí odkaz:
https://doaj.org/article/980e65c20b5242d1936099737510aba9
Publikováno v:
ACS Omega, Vol 4, Iss 4, Pp 7300-7307 (2019)
Externí odkaz:
https://doaj.org/article/f5a287078c3146409342089c1310c538
Autor:
Hideki T Miyazaki, Takeshi Kasaya, Hirotaka Oosato, Yoshimasa Sugimoto, Bongseok Choi, Masanobu Iwanaga, Kazuaki Sakoda
Publikováno v:
Science and Technology of Advanced Materials, Vol 16, Iss 3 (2015)
Packaged dual-band metasurface thermal emitters integrated with a resistive membrane heater were manufactured by ultraviolet (UV) nanoimprint lithography followed by monolayer lift-off based on a soluble UV resist, which is mass-producible and cost-e
Externí odkaz:
https://doaj.org/article/f849fb5c2f334fa883e0d93e8bad9d8c
Autor:
Takeshi Kasaya, Han Zhang, Akihiro Ikeda, Akira Niwata, Yasushi Yamauchi, Shin-ichi Kitamura, Yu Jimbo, Akira Yasuhara, Hongxin Wang, Naohito Tsujii, Daisuke Fujita, Koji Kimoto, Hironobu Manabe, Hideki T. Miyazaki, Cretu Ovidiu
Publikováno v:
Nature Nanotechnology. 17:21-26
The size tunability and chemical versatility of nanostructures enable electron sources of high brightness and temporal coherence, both of which are important characteristics for high-resolution electron microscopy1–3. Despite intensive research eff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::724a1753a365130c1cb75690ff931c00
https://doi.org/10.1038/s41565-021-00999-w
https://doi.org/10.1038/s41565-021-00999-w
Autor:
Hideki T. Miyazaki, Mel F. Hainey, Takuya Kawazu, Hirotaka Osato, Tetsuyuki Ochiai, Akitsu Shigetou, Kazuhiro Watanabe, Takaaki Mano, Yukinaga Arai, Yoshimasa Sugimoto, Takeshi Kasaya
Publikováno v:
Nanophotonics, Vol 9, Iss 16, Pp 4775-4784 (2020)
Two photodetectors for measuring transmission and two bulky, separated narrowband filters for picking a target gas absorption line and a non-absorbing reference from broadband emission are typically required for dual-band non-dispersive infrared (NDI
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b28ed63d305b8d64ef48cdb2918d73e4
https://doaj.org/article/f881265700654d77a4fb824a5cfa0234
https://doaj.org/article/f881265700654d77a4fb824a5cfa0234
Autor:
Hirotaka Osato, Yoshimasa Sugimoto, Mel F. Hainey, Takaaki Mano, Takuya Kawazu, Yukinaga Arai, Kazuhiro Watanabe, Akitsu Shigetou, Takeshi Kasaya, Hideki T. Miyazaki, Tetsuyuki Ochiai
Publikováno v:
Nanophotonics, Vol 9, Iss 10, Pp 3373-3384 (2020)
The integration of quantum well infrared photodetectors with plasmonic cavities has allowed for demonstration of sensitive photodetectors in the mid-infrared up to room-temperature operating conditions. However, clear guidelines for optimizing device
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e67f5195eb7fd95060be2c9733c85b90
https://doaj.org/article/9972387d7954451990faa989c5658189
https://doaj.org/article/9972387d7954451990faa989c5658189
Publikováno v:
ACS Omega, Vol 4, Iss 4, Pp 7300-7307 (2019)
ACS Omega
ACS Omega
There is increasing demand for the ability to form ohmic contacts without lossy intermediate layers on both the top and bottom sides of metal-semiconductor-metal plasmoelectronic devices such as quantum cascade lasers and metasurface photodetectors.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44f10f2000018d2de086ee9e44146fcd
https://doaj.org/article/f5a287078c3146409342089c1310c538
https://doaj.org/article/f5a287078c3146409342089c1310c538
Autor:
Han, Zhang, Yu, Jimbo, Akira, Niwata, Akihiro, Ikeda, Akira, Yasuhara, Cretu, Ovidiu, Koji, Kimoto, Takeshi, Kasaya, Hideki T, Miyazaki, Naohito, Tsujii, Hongxin, Wang, Yasushi, Yamauchi, Daisuke, Fujita, Shin-Ichi, Kitamura, Hironobu, Manabe
Publikováno v:
Nature nanotechnology. 17(1)
The size tunability and chemical versatility of nanostructures enable electron sources of high brightness and temporal coherence, both of which are important characteristics for high-resolution electron microscopy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::fa06a5404da885fd1d40794360ec2998
https://pubmed.ncbi.nlm.nih.gov/34750559
https://pubmed.ncbi.nlm.nih.gov/34750559
Autor:
Hideki T. Miyazaki, Takaaki Mano, Kazuhiro Watanabe, Hiroshi Miyazaki, Yukinaga Arai, Tetsuyuki Ochiai, Hirotaka Osato, Yoji Jimba, Yoshimasa Sugimoto, Takuya Kawazu, Akitsu Shigetou, Mel F. Hainey, Takeshi Kasaya
Publikováno v:
Optics express. 29(1)
Complex lightwave manipulation such as broadband absorption has been realized with metasurfaces based on laterally arranged metal-dielectric-metal cavities with different geometries. However, application of these metasurfaces for optoelectronic devic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::078855f4d1f34362f3d62472ceaf25c0
https://pubmed.ncbi.nlm.nih.gov/33362101
https://pubmed.ncbi.nlm.nih.gov/33362101