Zobrazeno 1 - 10
of 517
pro vyhledávání: '"Takashi Kita"'
Intraband transitions at a CsPbBr3/GaAs heterointerface in a two-step photon upconversion solar cell
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Two-step photon upconversion solar cells (TPU-SCs) based on III–V semiconductors can achieve enhanced sub-bandgap photon absorption because of intraband transitions at the heterointerface. From a technological aspect, the question arose wh
Externí odkaz:
https://doaj.org/article/0877f413483e42d29c3653a8bbab0198
Publikováno v:
Saudi Journal of Anaesthesia, Vol 18, Iss 4, Pp 528-533 (2024)
Introduction: The most commonly performed minimally invasive cardiac surgery (MICS) is lateral minithoracotomy, which requires one of the most painful incisions. Adequate postoperative pain management is essential for cardiac surgery to prevent perio
Externí odkaz:
https://doaj.org/article/395e572796c648708996cf61877852e4
Publikováno v:
AIP Advances, Vol 10, Iss 9, Pp 095016-095016-7 (2020)
The stability of excitons with large oscillator strengths at room temperature has been of great significance in device applications. In this paper, we report the effects of the ultrafast dissociation of excitons confined in a quantum well on optical
Externí odkaz:
https://doaj.org/article/724499f781a84cfaacc0b8ef55658468
Autor:
Shigeo Asahi, Takashi Kita
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-3 (2019)
Externí odkaz:
https://doaj.org/article/5f4b9528ea224c25bba89ca9cd016b90
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
Harvesting incident photons with energy below the bandgap may lead to highly efficient solar cells. By introducing InAs quantum dots at the hetero-interface, Asahiet al. achieve efficient two step photon up-conversion resulting in additional photocur
Externí odkaz:
https://doaj.org/article/c04bcf9317ee4906b6c9d8c5488d8d33
Autor:
Ryuta Matsuoka, Naoya Hamada, Nobuyuki Nishimura, Takaaki Mitsui, Yuki Shiraishi, Hiromichi Hayami, Kenji Fukutome, Rinsei Tei, Yasushi Shin, Shuta Aketa, Daizo Kato, Takashi Kita, Yasushi Motoyama
Publikováno v:
Journal of Clinical Neurophysiology; Sep2024, Vol. 41 Issue 6, p565-569, 5p
Publikováno v:
Applied Physics Express.
In this study, we report the generation of stable even-order nonlinear polarization in the above gap states in strained multiple quantumwells. Using the strain field, the even-order polarization to emit terahertz waves is generated in a zincblende cr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aecf12d3f54b375eb73e37c7e95f785a
https://doi.org/10.35848/1882-0786/acd676
https://doi.org/10.35848/1882-0786/acd676
Autor:
Osamu Kojima, Yuki Tarui, Takashi Kita, Avan Majeed, Pavlo Ivanov, Edmund Clarke, Richard A. Hogg
Publikováno v:
Optics Express
Magnetic fields can increase the intensity of terahertz (THz) waves due to changing the dipole moment direction using the Lorentz force. This study reports the increase in the THz-wave intensity generated by differential frequency mixing using commer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba195ada3e99b2195640edc5ba822347
http://www.lib.kobe-u.ac.jp/handle_kernel/90009570
http://www.lib.kobe-u.ac.jp/handle_kernel/90009570
Autor:
Takashi Kitao, Yohei Sotomi, Shunsuke Tamaki, Masahiro Seo, Masamichi Yano, Takaharu Hayashi, Akito Nakagawa, Yusuke Nakagawa, Daisaku Nakatani, Takahisa Yamada, Yoshio Yasumura, Yasushi Sakata, OCVC‐Heart Failure Investigators
Publikováno v:
ESC Heart Failure, Vol 11, Iss 5, Pp 3299-3311 (2024)
Abstract Aims Anaemia has been reported as poor predictor in heart failure with preserved ejection fraction (HFpEF). The aim of this study was to evaluate the impact of changes in haemoglobin (Hb) from discharge to 1 year after discharge on the progn
Externí odkaz:
https://doaj.org/article/3d1793a5e2f24ff8b2aade04fe8ba475
Publikováno v:
Optics Express. 29(15):24387-24395
Intense terahertz-wave emission in the higher frequency region can result in various applications such as terahertz spectroscopy and ultrafast data communication. In this study, an increase in terahertz waves by the overlap of exciton states in diffe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97a3e4ed8f0ae59329ad78fb1afa7c4d
https://hdl.handle.net/20.500.14094/90008469
https://hdl.handle.net/20.500.14094/90008469