Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Katsuya Murakami"'
Publikováno v:
Results in Optics, Vol 12, Iss , Pp 100473- (2023)
The installation of telescopes with larger primary mirrors in outer space is required for the study of the early universe. However, the shipping, assembling and maintenance of the primary mirror are technical challenges. The primary mirror made of lo
Externí odkaz:
https://doaj.org/article/48fcf2857d5c49da8ede663008947cda
Publikováno v:
Journal of Luminescence. 191:68-72
Temporal profiles of photoluminescence (PL) from the cavity polariton at the ground state in a CuBr microcavity at 10 K have been investigated from the viewpoint of the cavity-polariton condensation. We measured angle-resolved reflectance spectra to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3cb90048c152668d5a70ac21ea3e100
https://doi.org/10.1016/j.jlumin.2017.02.045
https://doi.org/10.1016/j.jlumin.2017.02.045
Publikováno v:
physica status solidi c. 13:81-84
We have investigated the exciton-polariton condensation in a CuBr microcavity with HfO2/SiO2 distributed Bragg reflectors, focusing on condensation effects on polariton dispersion relations. The polariton distribution as a function of in-plane wave v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ec468b96b5c3b33d38a0607520a891d
https://doi.org/10.1002/pssc.201510076
https://doi.org/10.1002/pssc.201510076
Autor:
Kazuya Ishibashi, Mutsuo Shibuya, Kenichiro Takakura, Isao Tsunoda, Jyun Kudo, Katsuya Murakami, Ryohei Aida, Motoki Takahara, Toshiyuki Nakashima
Publikováno v:
physica status solidi c. 10:1588-1591
Crystalline quality and optical properties of gallium oxide films grown on SiO2substrates by RF magnetron sputtering were studied. After the post annealing, it could be confirmed growth of gallium oxide (Ga2O3) film changed in a β -Ga2O3 film. Estim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa9e62ec3853f15e003f649ea925a58b
https://doi.org/10.1002/pssc.201300242
https://doi.org/10.1002/pssc.201300242
Autor:
Motoki Takahara, Jyun Kudou, Hidenori Ohyama, Eddy Simoen, Mutsuo Shibuya, Isao Tsunoda, Cor Claeys, Toshiyuki Nakashima, Suguru Funasaki, Kenichiro Takakura, Katsuya Murakami
Publikováno v:
Materials Science Forum. 725:269-272
For the purpose of increasing the conductivity of β-Ga2O3 films, Sn doping in the β-Ga2O3 films has been explored using co-sputtering. Growth of β-Ga2O3 was confirmed by the XRD pattern for the undoped sample. However, it is shown that the Ga2O3 p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d7a80ee0e02872695a0cb73a338b139
https://doi.org/10.4028/www.scientific.net/msf.725.269
https://doi.org/10.4028/www.scientific.net/msf.725.269
Autor:
Toshiyuki Nakashima, Mutsuo Shibuya, Katsuya Murakami, Cor Claeys, Isao Tsunoda, Jyun Kudou, Kenichiro Takakura, Suguru Funasaki, Eddy Simoen, Hidenori Ohyama, Motoki Takahara
Publikováno v:
Materials Science Forum. 725:273-276
For the purpose of improving the crystalline quality of undoped and Si doped β-Ga2O3 films, high temperature annealing at 900°C was performed. The crystalline quality of the films investigated using scanning electron microscopy and X-ray diffractio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9871a7041cad1622fab2a1d1a8fcffc7
https://doi.org/10.4028/www.scientific.net/msf.725.273
https://doi.org/10.4028/www.scientific.net/msf.725.273
Autor:
Cor Claeys, Suguru Funasaki, Kenichiro Takakura, Hidenori Ohyama, Daisuke Takeuchi, Eddy Simoen, Mutsuo Shibuya, Isao Tsunoda, Toshiyuki Nakashima, Katsuya Murakami
Publikováno v:
Physica B: Condensed Matter. 407:2900-2902
A transparent electrode of Si doped β-Ga2O3 films for solar cells, flat panel displays and other devices, which consists of chemically abundant and ecological friendly elements of gallium and oxygen, was grown on silicon substrates by RF magnetron s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06cbbf439bc07cd2cd6190be8e45a92c
https://doi.org/10.1016/j.physb.2011.08.061
https://doi.org/10.1016/j.physb.2011.08.061
Publikováno v:
Journal of the Physical Society of Japan. 85:054702
We have investigated cavity-polariton condensation effects on the dispersion relation of the lower polariton branch (LPB) at 77 K in a CuBr microcavity by angle-resolved photoluminescence (PL) spectroscopy. The intrinsic cavity-polariton dispersion r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c21c3a6048870a9ba3ed9512d3f9791
https://doi.org/10.7566/jpsj.85.054702
https://doi.org/10.7566/jpsj.85.054702
Publikováno v:
Journal of Physics: Conference Series. 619:012015
We have investigated the photoluminescence (PL) properties in a CuBr microcavity with HfO2/SiO2 distributed Bragg reflectors at 10 K from the viewpoint of cavity-polariton condensation. From the excitation-power dependence of PL spectra detected at a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17ed9045a5eab9e2fef9564235dabd2c
https://doi.org/10.1088/1742-6596/619/1/012015
https://doi.org/10.1088/1742-6596/619/1/012015
Publikováno v:
Applied Physics Letters. 105:021903
We have investigated the photoluminescence (PL) properties of a CuBr microcavity at 10 K, including the temporal profiles, from the viewpoint of cavity-polariton condensation. The excitation energy density dependence of the PL intensity (band width)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::320d1c0cf5f9a6e3254607fe2be50c15
https://doi.org/10.1063/1.4890216
https://doi.org/10.1063/1.4890216