Zobrazeno 1 - 10 of 47 pro vyhledávání: '"Tetsuhiko Tomiki"'
1
Optical Absorption of Single Crystals of Y3Al5O12and Y3Al5O12:Nd3+in the UV Fundamental Absorption Edge Region
Autor: Tetsuya Kohatsu, Yoshihiro Isa, Junkoh Tamashiro, Meiko Miyazato, Yoshie Kadekawa, Hirohumi Shimabukuro, Tetsuhiko Tomiki, Tsutomu Miyazato, Yoshiiku Ganaha, Nagao Toyokawa
Publikováno v: Journal of the Physical Society of Japan. 65:1106-1113
Optical absorption curves for nominally pure and Ce 3+ doped single crystals of Y 3 Al 5 O 12 (YAG) have been measured in the region of 5 eV–7 eV at 292 K, 78 K and 10 K. The parameters of the Urbach rule have been determined referring to those opt
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::380403a2d577c33cddeed3f54ae771eb
https://doi.org/10.1143/jpsj.65.1106
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2
Ce3+Centres in YAlO3(YAP) Single Crystals
Autor: Tetsuhiko Tomiki, Tsuyoshi Yabiku, Akira Yonesu, Moritaka Katsuren, Tatsuya Hotta, Michihiro Akamine, Tomoyoshi Futemma, Hirokatsu Ishikawa, Isamu Miyazato, Tomoji Tashiro, Tsuyoshi Nakaoka
Publikováno v: Journal of the Physical Society of Japan. 64:4442-4449
Spectra of optical absorption (3 eV ∼ 6 eV) and emission (2.9 eV ∼ 4.1 eV) have been investigated on Ce 3+ centres in YAlO 3 :Ce 3+ single crystals at 297 K; excitation spectrum for 360 nm light in the Ce 3+ emission band region has also been mea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a6382012953d56ff5180baa6291c9034
https://doi.org/10.1143/jpsj.64.4442
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3
Anisotropic Optical Spectra of YAlO3(YAP) Single Crystals in the Vacuum Ultraviolet Region. II. Spectra of Reflectivity
Autor: Tomoyoshi Futemma, Masatada Yuri, Junkoh Tamashiro, Akira Yonesu, Tsuneaki Miyahara, Hirohito Fukutani, Yoshihiro Aiura, Tohru Shikenbaru, Yoshiiku Ganaha, Hiroo Kato, Tetsuhiko Tomiki
Publikováno v: Journal of the Physical Society of Japan. 63:1976-1985
Anisotropic reflectivity spectra of YAlO 3 single crystals at 297 K measured with the light polarized parallel to each of the a , b and c axes are presented in the range from ∼6.5 eV to ∼120 eV. A comparison of the reflectivity spectra of YAlO 3
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8a32a2446ea8cf8695c089333f9aa29
https://doi.org/10.1143/jpsj.63.1976
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5
Anisotropic Optical Spectra of α-Al2O3Single Crystals in the Vacuum Ultraviolet Region. II. Spectra of Optical Constants
Autor: Akira Yonesu, Hiroo Kato, Hirohito Fukutani, Shintaro Sato, Yoshihiro Aiura, Yoshiiku Ganaha, Tohru Shikenbaru, Masatada Yuri, Junkoh Tamashiro, Tomoyoshi Futemma, Tsuneaki Miyahara, Tetsuhiko Tomiki
Publikováno v: Journal of the Physical Society of Japan. 62:1372-1387
The spectra of optical constants of α-Al 2 O 3 single crystals at 297 K and 10 K are presented over the range of photon energies from 6 eV to 120 eV for the electric fields of incident light parallel to optic axis and normal to it. The optical const
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09646408b0c1bd08a040ff457df0c910
https://doi.org/10.1143/jpsj.62.1372
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6
Anisotropic Optical Spectra of α-Al2O3Single Crystals in the Vacuum Ultraviolet Region. I. Spectra of Absorption Tail and Reflectivity
Autor: Yoshihiro Aiura, Hiroo Kato, Akira Yonesu, Tsuneaki Miyahara, Yoshiiku Ganaha, Tetsuhiko Tomiki, Shintaro Sato, Junkoh Tamashiro, Hirohito Fukutani, Tohru Shikenbaru, Tomoyoshi Futemma, Masatada Yuri
Publikováno v: Journal of the Physical Society of Japan. 62:573-584
The spectra of absorption constant in the intrinsic absorption tail region of α-Al 2 O 3 single crystals at 297 K, 78 K and 10 K are presented for the electric fields of incident light parallel to the optic axis of α-Al 2 O 3 and normal to it. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b85953419ccdc1eb6c2b19b0c8b78e55
https://doi.org/10.1143/jpsj.62.573
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7
Optical Spectra of Y2O3Single Crystals in the Vacuum Ultraviolet Region. II
Autor: Tohru Shikenbaru, Tetsuhiko Tomiki, Yoshiiku Ganaha, Masatada Yuri, Hirohito Fukutani, Tomoyoshi Futemma, Tsuneaki Miyahara, Junkoh Tamashiro, Mareo Ishigame, Hiroo Kato, Shik Shin
Publikováno v: Journal of the Physical Society of Japan. 61:2951-2963
The reflectivity spectrum of Y 2 O 3 single crystals at 297 K has been measured from 6 eV to 110 eV, and optical functions are derived by the Kramers-Kronig transformation. The plasma loss peaks are found at 14.2 3 eV and 38.40 eV. The spectrum of e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a5dccf76c8ecb8a99ea6c7f2bcde819
https://doi.org/10.1143/jpsj.61.2951
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9
Ce3+Centres in Y3Al5O12(YAG) Single Crystals
Autor: Tetsuhiko Tomiki, Tsutomu Miyazato, Meiko Miyazato, Tomoyoshi Futemma, Hideki Akamine, Yasunobu Kinjoh, Mitsuhiko Gushiken, Nagao Toyokawa, Mayumi Hiraoka, Yoshiiku Ganaha, Naoko Hirata
Publikováno v: Journal of the Physical Society of Japan. 60:2437-2445
The absorption spectra due to the 4 f →5 d transitions in Ce 3+ centres have been measured with the use of YAG:Ce 3+ single crystals with a lattice concentration [Ce 3+ ] L =(1.28±0.05)%. The data are almost independent of the spectral behaviour o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe0fa8da5063fdd2cc422045f6c6c263
https://doi.org/10.1143/jpsj.60.2437
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10
Anisotropic Optical Spectra of YAlO3(YAP) Single Crystals in the Vacuum Ultraviolet Region
Autor: Masami Fujisawa, Fujito Fukudome, Yoshikazu Tanahara, Tetsuhiko Tomiki, Tomoyoshi Futemma, Minoru Kaminao
Publikováno v: Journal of the Physical Society of Japan. 60:1799-1813
Optical spectra of YAlO 3 (YAP) single crystals are measured for , and // E in the region from 6.5 eV to 42 eV by use of a plane polarized synchrotron radiation, E being the electric field of light. Anisotropic spectral behaviour of the intrinsic abs
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e012d3f9dc56912c0c714944584f66c
https://doi.org/10.1143/jpsj.60.1799
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