Zobrazeno 1 - 10 of 27 pro vyhledávání: '"Katsuya Ishikawa"'
1
Concentration dependence of luminescence properties of GdNbO 4 :Er 3+ /Yb 3+ synthesized through hydrothermal route
Autor: Katsuya Ishikawa, Masanori Hirano
Publikováno v: Journal of Alloys and Compounds. 709:64-71
To investigate the concentration dependence of the optical, up-conversion, and photoluminescence properties of phosphors based on GdNbO 4 co-doped with Er 3+ and Yb 3+ an approach through hydrothermal synthesis route including subsequent heating in a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ccec5b054876066b65f5c3d2a21edbd
https://doi.org/10.1016/j.jallcom.2017.03.127
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2
Hydrothermal formation and up-conversion luminescence of Er3+ -doped GdNbO4
Autor: Katsuya Ishikawa, Masanori Hirano
Publikováno v: Journal of the American Ceramic Society. 100:2814-2821
The effect of concentration of Er3+ on the up-conversion and photoluminescence properties of Gd1.00−xErxNbO4, x=0-0.50 which has monoclinic fergusonite-type structure as a main phase has been investigated, using a processing technique based on hydr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bab505bde240cb1a5ac9c364bf652efc
https://doi.org/10.1111/jace.14835
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3
Intense up-conversion luminescence of Er3+/Yb3+ co-doped YNbO4 through hydrothermal route
Autor: Katsuya Ishikawa, Masanori Hirano
Publikováno v: Journal of Photochemistry and Photobiology A: Chemistry. 316:88-94
Yttrium niobate (YNbO 4 ) up-converting phosphor co-doped with Er 3+ and Yb 3+ was prepared based on the homogeneous precursor nano-sized particles through hydrothermal route and post heat treatment. A single phase of monoclinic fergusonite-type YNbO
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f753233b992b5373c78a76bee21d4143
https://doi.org/10.1016/j.jphotochem.2015.09.015
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5
Evaluation of ion implantation charging by using EEPROM
Autor: Genshu Fuse, Katsuya Ishikawa, Morio Inoue, Yoshiki Fukuzaki, Takashi Namura, Masakatsu Yoshida, Norishige Aoki
Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 74:306-310
Ion implantation charging has been studied by evaluation of the threshold voltage shift (ΔVt) of EEPROM devices. The threshold voltage shifted proportionally with the variation of the electron emission current. This method allows the uniformity of c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dca66fb94468b44b393c9bda7e477b7b
https://doi.org/10.1016/0168-583x(93)95066-e
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10
Characterization of Ion Implantation Dose by Raman Scattering and Photothermal Wave Techniques
Autor: Katsuya Ishikawa, Morio Inoue, Kohji Mizoguchi, Shinichi Nakashima, Masakatsu Yoshida
Publikováno v: Japanese Journal of Applied Physics. 31:L1422
Damage in silicon crystals implanted with various doses at different acceleration energies has been characterized by Raman scattering and photothermal wave techniques. Depth profiles of the damage in the implanted silicon crystals have been estimated
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::05e179ad06ca9d7ee2cbe0cec6832442
https://doi.org/10.1143/jjap.31.l1422
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