Noriaki Kawaguchi

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Name
Noriaki Kawaguchi
Nickname
KawaguchiNara
Affiliation
Nara Institute of Science and Technology
Research funding number
50642782

Research Areas

 
 

Published Papers

 
M. Akatsuka, K. Shinozaki, D. Nakauchi, T. Kato, G. Okada, N. Kawaguchi, T. Yanagida
Optical Materials   94 86-91   Aug 2019
© 2019 Elsevier B.V. We synthesized 0, 0.02, 0.2, 1.0, and 10% Ce3+ doped CaF2–AlF3–AlPO4 glasses; and then, we evaluated their photoluminescence (PL), scintillation and thermally stimulated luminescence (TSL) properties. Depending on the concentr...
Hirokazu Masai, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials Express   9    May 2019
© 2019 Optical Society of America. We examined the relationship between defect formation in the UV region by X-ray irradiation and its luminescence properties of binary zinc phosphate glasses. The emergence of absorption bands in the UV region lin...
Daisuke Nakauchi, Kenji Shinozaki, Noriaki Kawaguchi, Takayuki Yanagida
Optik   185 812-818   May 2019
© 2019 Elsevier GmbH The optical, radioluminescence and thermoluminescence properties of Eu-doped BaSi 2 O 5 glass-ceramics were evaluated. The glass samples were synthesized by the conventional melt-quenching technique using a carbon crucible un...
Naoki Kawano, Noriaki Kawaguchi, Go Okada, Yutaka Fujimoto, Takayuki Yanagida
Radiation Measurements   124 69-73   May 2019
© 2019 Elsevier Ltd We synthesized strontium aluminoborate glasses doped with different concentrations of Tb (0.1, 0.5, 1.0 and 5.0 mol.%) by the conventional melt-quenching technique, and investigated their photoluminescence (PL), scintillation ...
Isokawa Yuya, Nakauchi Daisuke, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
JOURNAL OF ALLOYS AND COMPOUNDS   782 859-864   Apr 2019   [Refereed]
Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials   90 227-230   Apr 2019
© 2019 Elsevier B.V. Undoped, Zr-doped and Ti-doped La 2 Hf 2 O 7 single crystals were grown by the optical floating zone technique to evaluate the scintillation properties. The synthesized single crystals show scintillation signals with a broad ...
Yuya Isokawa, Hiromi Kimura, Takumi Kato, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials   90 187-193   Apr 2019
© 2019 Elsevier B.V. We successfully synthesized Eu-doped SiO 2 glasses by the spark plasma sintering method, and the prepared glasses doped with various concentrations of Eu (0, 0.002, 0.020 and 0.200%) were studied for optical, dosimeter and sc...
Hayata Samizo, Kenji Shinozaki, Takumi Kato, Go Okada, Noriaki Kawaguchi, Hirokazu Masai, Takayuki Yanagida
Optical Materials   90 64-69   Apr 2019
© 2019 Elsevier B.V. In this study, we have synthesized xCeF 3 -(30-x)BaF 2 -20Al 2 O 3 -50B 2 O 3 (x = 0, 0.3, 1.0, 3.0, 5.0 and 10.0 mol%) glasses by the conventional melt-quenching method and then investigated the optical properties (transmitt...
Takayuki Yanagida, Masaki Akatsuka, Go Okada, Noriaki Kawaguchi
Optical Materials   90 14-19   Apr 2019
© 2019 Elsevier B.V. Nominally Nd 0.1, 0.5, 1 and 2% doped YAlO 3 (YAP) single crystals were synthesized by the floating zone method to evaluate their optical and scintillation properties. In photoluminescence (PL), all the samples showed sharp e...
Yasuki Yoshida, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optik   182 884-889   Apr 2019
© 2019 Elsevier GmbH Yb 3 Al 5 O 12 (YbAG) single crystals were prepared by the Floating Zone (FZ) method with and without doping with different concentrations of Ce, and then we evaluated their basic scintillation properties. All the samples sho...
Abdalla Ayman M., Ali Atif M., Al-Jarallah Mohamed, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   922 84-90   Apr 2019   [Refereed]
Kato Takumi, Hirano Shotaro, Samizo Hayata, Okada Go, Kawaguchi Noriaki, Shinozaki Kenji, Masai Hirokazu, Yanagida Takayuki
JOURNAL OF NON-CRYSTALLINE SOLIDS   509 60-64   Apr 2019   [Refereed]
Taiki Ogawa, Daisuke Nakauchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials   89 63-67   Mar 2019
© 2019 Elsevier B.V. Ce- and Eu-doped Ca 2 MgSi 2 O 7 (CMSM) single crystals were synthesized by the Floating Zone method. From the X-ray diffraction patterns, we confirmed that all the CMSM samples have no impurity phases. Under X-ray irradiatio...
Yusuke Onoda, Hiromi Kimura, Takumi Kato, Kentaro Fukuda, Noriaki Kawaguchi, Takayuki Yanagida
Optik   181 50-56   Mar 2019
© 2018 Elsevier GmbH We synthesized non- and Eu-doped AlN ceramics by the spark plasma sintering (SPS) method and characterized their photoluminsecence (PL) and thermally stimutrated luminescence (TSL) properties. In the PL properties, the non-do...
Yanagida Takayuki, Watanabe Kenichi, Okada Go, Kawaguchi Noriaki
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   919 64-67   Mar 2019   [Refereed]
Kimura Hiromi, Shinozaki Kenji, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
JOURNAL OF NON-CRYSTALLINE SOLIDS   508 46-50   Mar 2019   [Refereed]
Masai Hirokazu, Okada Go, Ina Toshiaki, Kawaguchi Noriaki, Yanagida Takayuki
JOURNAL OF LUMINESCENCE   207 316-320   Mar 2019   [Refereed]
Yanagida Takayuki, Okada Go, Kawaguchi Noriaki
JOURNAL OF LUMINESCENCE   207 14-21   Mar 2019   [Refereed]
D. Nakauchi, G. Okada, Y. Fujimoto, N. Kawano, N. Kawaguchi, T. Yanagida
Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B   60 10-14   Feb 2019
© 2019 Ukrainian State University of Chemical Technology. All rights reserved. We have investigated the optical, radioluminescence and thermoluminescence (TL) properties of Sn-doped magnesium aluminoborate glasses. The glass samples were synthesi...
Kawaguchi Noriaki, Nakauchi Daisuke, Okada Go, Kawano Naoki, Yanagida Takayuki
JOURNAL OF LUMINESCENCE   206 634-638   Feb 2019   [Refereed]
Shiratori Daiki, Isokawa Yuya, Samizo Hayata, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS   30(3) 2464-2469   Feb 2019   [Refereed]
Masai Hirokazu, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
OPTICAL MATERIALS   88 1-6   Feb 2019   [Refereed]
Hiromi Kimura, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Materials Science: Materials in Electronics      Jan 2019
© 2019, Springer Science+Business Media, LLC, part of Springer Nature. BaBr 2 :Eu (0.5 mol%) translucent ceramic has been synthesized using spark plasma sintering, and then the optical, scintillation and optically-stimulated luminescence (OSL) pr...
Masaki Akatsuka, Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   31 1289-1295   Jan 2019
© MYU K.K. We synthesized ZrO 2 and yittria-stabilized ZrO 2 crystals by the floating zone (FZ) method to evaluate their scintillation properties. Under excitation at around 250 nm, the photoluminescence (PL) emission peak appeared at around 450 ...
Hirokazu Masai, Hironori Ofuchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   31 1297-1303   Jan 2019
© MYU K.K. Cu-doped aluminophosphate glasses, whose chemical compositions have been used as the host for Ag-doped radiophotoluminescence (RPL) glass detectors, were prepared in order to examine the relationship between the valence state of Cu and...
Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   31 1249-1255   Jan 2019
© MYU K.K. Eu-doped CaAl 2 O 4 bulk crystals were synthesized by the floating zone (FZ) method, and their photoluminescence (PL) and scintillation properties were investigated firstly in a bulk crystal. The crystal samples exhibit PL and radiolum...
Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   31 1257-1264   Jan 2019
© MYU K.K. We have studied the scintillation and dosimetric properties of Sn-doped ZnO-SiO 2 -B 2 O 3 glasses. The glass samples were obtained by a conventional melt quenching method. In the scintillation spectra of the Sn-doped ZnO-SiO 2 -B 2 O ...
Daiki Shiratori, Yuya Isokawa, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   31 1281-1287   Jan 2019
© MYU K.K. We have prepared glasses with the composition of Cu-doped 30Li 3 PO 4 -70Al(PO 3 ) 3 and investigated their luminescence characteristics. The glass samples were synthesized by the melt quenching method, and the Cu concentrations of the...
Hiromi Kimura, Takumi Kato, Daisuke Nakauchi, Masanori Koshimizu, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   31 1265-1271   Jan 2019
© MYU K.K. CsCl transparent ceramics were prepared by the spark plasma sintering (SPS) method, and their optical, scintillation, and dosimetric properties were investigated. To evaluate the potential of the transparent ceramics, a CsCl single crys...
Takayuki Yanagida, Hirokazu Masai, Masanori Koshimizu, Noriaki Kawaguchi
Sensors and Materials   31 1225-1231   Jan 2019
© MYU K.K. By using the floating zone method, we synthesized Sn-doped yttrium aluminum garnet (YAG). The nominal concentration of Sn was 10% with respect to Y, and the sample rod was cut along the growth direction. By the segregation phenomenon, ...
Hiroyuki Fukushima, Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   31 1273-1280   Jan 2019
© MYU K.K. Ce-doped SrHfO 3 crystals were synthesized by the floating zone (FZ) method, and their photoluminescence (PL) and scintillation properties were investigated. X-ray diffraction (XRD) measurement indicates that the samples are mainly com...
Masaki Akatsuka, Naoki Kawano, Takumi Kato, Daisuke Nakauchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment      Jan 2019
© 2018 (C6H5C2H4NH3)2Pb1−xSrxBr4 (x=0.1, 0.25 and 0.5) single crystals were grown by the poor-solvent diffusion method to evaluate their scintillation properties. When X-rays were irradiated upon the sample, the solids demonstrated scintillation w...
Hirokazu Masai, Go Okada, Aya Torimoto, Takaaki Usui, Noriaki Kawaguchi, Takayuki Yanagida
Scientific Reports   8    Dec 2018
© 2018 The Author(s). The efficiency of X-ray-induced scintillation in glasses roughly depends on both the effective atomic number Zeffand the photoluminescence quantum efficiency Qeffof glass, which are useful tools for searching high-performance...
Yanagida Takayuki, Fukushima Hiroyuki, Okada Go, Kawaguchi Noriaki
PHYSICA B-CONDENSED MATTER   550 21-25   Dec 2018   [Refereed]
Kawano Naoki, Kato Takumi, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
OPTICAL MATERIALS   88 67-73   Feb 2019   [Refereed]
Fukushima Hiroyuki, Nakauchi Daisuke, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS   29(24) 21033-21039   Dec 2018   [Refereed]
Taiki Ogawa, Daisuke Nakauchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Luminescence   202 409-413   Oct 2018
© 2018 Elsevier B.V. Undoped and Ce-doped Sr2Al2SiO7bulk crystals with different concentrations of Ce were synthesized by the floating zone method. Under X-ray irradiation, the both undoped and Ce-doped samples show scintillation with broad emissi...
Naoki Kawano, Masaki Akatsuka, Hiromi Kimura, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Radiation Measurements   117 52-56   Oct 2018
© 2018 Elsevier Ltd We synthesized NaPO3-Al(PO3)3glasses with different concentrations of Tb (0.3, 1.0, 3.0 and 10.0 mol%) by the conventional melt-quenching technique. After the synthesis, their photoluminescence (PL), scintillation and TSL prope...
Kawano Naoki, Nakauchi Daisuke, Fukuda Kentaro, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
JAPANESE JOURNAL OF APPLIED PHYSICS   57(10)    Oct 2018   [Refereed]
Yanagida Takayuki, Watanabe Kenichi, Okada Go, Kawaguchi Noriaki
JAPANESE JOURNAL OF APPLIED PHYSICS   57(10)    Oct 2018   [Refereed]
Nakauchi Daisuke, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
JAPANESE JOURNAL OF APPLIED PHYSICS   57(10)    Oct 2018   [Refereed]
Hirano Shotaro, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
PHYSICS AND CHEMISTRY OF GLASSES-EUROPEAN JOURNAL OF GLASS SCIENCE AND TECHNOLOGY PART B   59(5) 228-233   Oct 2018   [Refereed]
Takumi Kato, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Kentaro Fukuda, Takayuki Yanagida
Optik   168 956-962   Sep 2018
© 2018 Elsevier GmbH We have developed SrF2translucent ceramic by using the spark plasma sintering (SPS) method, and investigated scintillation properties and thermally stimulated luminescence (TSL) glow curves, in comparison with a SrF2crystal. B...
Naoki Kawano, Noriaki Kawaguchi, Kentaro Fukuda, Go Okada, Takayuki Yanagida
Optical Materials   82 60-64   Aug 2018
© 2018 Elsevier B.V. Scintillation and dosimetric properties of6LiF-CaF2eutectic composites doped with different concentrations of Ce (0, 0.1 and 0.5%) were investigated. The Ce-doped samples showed scintillation due to the 5 d-4f transitions of C...
Yuki Usui, Takumi Kato, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Luminescence   200 81-86   Aug 2018
© 2018 Elsevier B.V. A series of bulk Ga2O3were prepared by four different methods (Floating Zone (FZ), Edge-defined Film-fed Grown (EFG), spark plasma sintering (SPS) and conventional sintering in air) to obtain in single crystal and ceramic form...
Kenji Shinozaki, Yutaka Fujimoto, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida, Tomoko Akai, Masanori Koshimizu, Keisuke Asai
Journal of Materials Science: Materials in Electronics   29 11824-11829   Jul 2018
© 2018, Springer Science+Business Media, LLC, part of Springer Nature. We have investigated the X-ray induced luminescence (XRL) and the lifetime of a series of yEu2O3–50BaF2–xAl2O3–(50-x)B2O3(x = 0–25, y = 1–10, in mol%) glasses, which exhibit hi...
Fumiya Nakamura, Takumi Kato, Go Okada, Naoki Kawano, Noriaki Kawaguchi, Takayuki Yanagida
Materials Letters   221 51-53   Jun 2018
© 2018 In this letter, we repot a new radio-photoluminescence (RPL) material. The RPL was observed non-doped Li2CO3ceramics sintered in vacuum. Under 340 ± 40 nm excitation, a photoluminescence (PL) emission peak appeared around 470 nm, the intens...
Naoki Kawano, Noriaki Kawaguchi, Kentaro Fukuda, Go Okada, Takayuki Yanagida
Journal of Materials Science: Materials in Electronics   29 8964-8969   Jun 2018
© 2018, Springer Science+Business Media, LLC, part of Springer Nature. We investigated scintillation and dosimeter properties of6LiF/CaF2eutectic composites doped with different concentrations of Eu (0.005, 0.02, 0.1, 0.3, and 1.0). In the photolu...
Yuki Usui, Daisuke Nakauchi, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Physics and Chemistry of Solids   117 36-41   Jun 2018
© 2018 Elsevier Ltd Sn-doped Ga2O3single crystals were synthesized by the Floating Zone (FZ) method. In photoluminescence (PL) under the excitation wavelength of 280 nm, we observed two types of luminescence: (1) defect luminescence due to recombi...
Yuya Isokawa, Shotaro Hirano, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Non-Crystalline Solids   487 1-6   May 2018
© 2018 Elsevier B.V. In this study, we developed Li3PO4-B2O3glasses doped with different concentrations (0, 0.1, 0.2, 0.5, and 1.0%) of Ce and studied the optical, dosimetric and scintillation properties. The Ce-doped samples showed scintillation ...
Takuya Igashira, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials   79 232-236   May 2018
© 2018 Elsevier B.V. Apatite crystals with chemical compositions of 0.5% Ce-doped Sr2(Gd1-xLux)8(SiO4)6O2(x = 0.1, 0.2, 0.4, 0.5, 0.6) were synthesized by the Floating Zone method, and then we evaluated their photoluminescence (PL) and scintillati...
Shotaro Hirano, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Radiation Measurements   112 16-20   May 2018
© 2018 Elsevier Ltd Photoluminescence (PL) and thermally-stimulated luminescence (TSL) properties of Sn-doped zinc sodium phosphate glasses were evaluated. We synthesized the glass samples by the conventional melt-quenching method under ambient at...
Hiromi Kimura, Fumiya Nakamura, Takumi Kato, Daisuke Nakauchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Materials Science: Materials in Electronics   29 8498-8503   May 2018
© 2018, Springer Science+Business Media, LLC, part of Springer Nature. We have developed CsBr transparent ceramics doped with various concentrations of Tl (0.01, 0.1, 0.2, 0.3 and 0.5 mol%) by spark plasma sintering and then investigated for scint...
Masaki Akatsuka, Yuki Usui, Daisuke Nakauchi, Takumi Kato, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials   79 428-434   May 2018
© 2018 Elsevier B.V. YAlO3(YAP) single crystals doped with Lu and Nd were grown by the Floating Zone (FZ) method to evaluate their scintillation properties particularly emissions in the near-infrared (NIR) range. The Nd concentration was fixed to ...
Aya Torimoto, Hirokazu Masai, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida, Takahiro Ohkubo
Journal of Luminescence   197 98-103   May 2018
© 2018 Elsevier B.V. Although there are many reports investigating emission properties of Ce3+centers, there is little report on the quantitative Ce3+/(Ce3++Ce4+) ratio, which is one of the most fundamental factors for designing phosphors. In this...
Yuya Isokawa, Shotaro Hirano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Radiation Measurements   111 13-18   Apr 2018
© 2018 Elsevier Ltd We synthesized lithium borosilicate glasses doped with different concentrations of Ce (0.01%, 0.03%, 0.10%, and 0.30%) as well as undoped glass, and then the prepared glasses were studied for their optical, dosimetric, and scin...
Yuki Usui, Go Okada, Noriaki Kawaguchi, Hirokazu Masai, Takayuki Yanagida
Japanese Journal of Applied Physics   57    Apr 2018
© 2018 The Japan Society of Applied Physics. 13TiO2-xZnO-17Al2O3-(70 % x)B2O3(x = 17, 26, and 35) glasses were prepared by a melt-quenching method, and the obtained glass samples were heated at temperatures 30 °C above the glass transition tempera...
Taiki Ogawa, Daisuke Nakauchi, Go Okada, Naoki Kawano, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Luminescence   196 270-274   Apr 2018
© 2017 Elsevier B.V. Undoped and Ce-doped Ca2Al2SiO7single crystals with different Ce concentrations were prepared by the floating zone method. From the X-ray diffraction patterns, we confirmed that all the grown crystals have no impurity phases. ...
Yasuki Yoshida, Kenji Shinozaki, Takuya Igashira, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Solid State Sciences   78 1-6   Apr 2018
© 2018 Elsevier Masson SAS Yb3Al5O12(YbAG) single crystals doped with different concentrations of Pr were synthesized by the Floating Zone (FZ) method. Then, we evaluated their basic optical and scintillation properties. All the samples showed pho...
Hirokazu Masai, Kenji Shinozaki, Go Okada, Noriaki Kawaguchi, Toshiaki Ina, Takayuki Yanagida
Journal of Luminescence   195 413-419   Mar 2018
© 2017 Elsevier B.V. Control of activators in solid state matter is the most important focus for phosphor applications. However, melt-quenching from an inert atmosphere is restricted by the constraints of a purged electric furnace. Here, we have e...
Hiromi Kimura, Fumiya Nakamura, Takumi Kato, Daisuke Nakauchi, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of the Ceramic Society of Japan   126 184-189   Mar 2018
© 2018 The Ceramic Society of Japan. All rights reserved. We synthesized bulk CsBr samples in a transparent ceramic form by spark plasma sintering (SPS) and in a single crystal form by the vertical Bridgman-Stockbarger method, and investigated the...
Hiromi Kimura, Fumiya Nakamura, Takumi Kato, Daisuke Nakauchi, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optik   157 421-428   Mar 2018
© 2017 Elsevier GmbH We have synthesized Eu-doped CsBr transparent ceramics by spark plasma sintering (SPS) and a single crystal by the vertical Bridgman-Stockbarger method. Subsequently, we have investigated their optical, scintillation and dosim...
Naoki Kawano, Noriaki Kawaguchi, Go Okada, Yutaka Fujimoto, Takayuki Yanagida
Journal of Non-Crystalline Solids   482 154-159   Feb 2018
© 2017 Elsevier B.V. Strontium aluminoborate glasses with different concentrations of Ce (0, 0.01, 0.05, 0.1 and 0.5 mol%) were synthesized by the conventional melt-quenching technique. After the synthesis, photoluminescence (PL), scintillation an...
Fumiya Nakamura, Takumi Kato, Go Okada, Naoki Kawano, Noriaki Kawaguchi, Kentaro Fukuda, Takayuki Yanagida
Materials Research Bulletin   98 83-88   Feb 2018
© 2017 Elsevier Ltd In this study, we have developed MgF2:Gd transparent ceramics by spark plasma sintering (SPS) and evaluated the scintillation, dosimeter and optical properties. All the sample were successfully synthesized in a transparent form...
Noriaki Kawaguchi, Daisuke Nakauchi, Shotaro Hirano, Naoki Kawano, Go Okada, Kentaro Fukuda, Takayuki Yanagida
Japanese Journal of Applied Physics   57    Feb 2018
© 2018 The Japan Society of Applied Physics. We have investigated the scintillation and dosimetric properties of Tb-doped LiCaAlF6single crystals. The X-ray-induced emission spectrum consisted of several sharp peaks due to the 4f-4f transitions of...
Hayata Samizo, Takumi Kato, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Materials Science: Materials in Electronics   29 1985-1991   Feb 2018
© 2017, Springer Science+Business Media, LLC. In this study, we have synthesized Sr(PO3)2glasses non-doped and doped with Ce (0.01, 0.05, 0.1, 1.0 and 3.0 mol%) prepared by the conventional melt-quenching method and investigated the optical proper...
Naoki Kawano, Masanori Koshimizu, Go Okada, Yutaka Fujimoto, Noriaki Kawaguchi, Takayuki Yanagida, Keisuke Asai
Japanese Journal of Applied Physics   57    Feb 2018
© 2018 The Japan Society of Applied Physics. We investigated the luminescence properties of organic-inorganic layered perovskite-type compounds under vacuum ultraviolet irradiation. A crystal of (C6H5C2H4NH3)2PbBr4was fabricated by the poor-solven...
Daisuke Nakauchi, Go Okada, Masanori Koshimizu, Noriaki Kawaguchi, Takayuki Yanagida
Physica B: Condensed Matter   530 38-42   Feb 2018
© 2017 Elsevier B.V. We investigated the photoluminescence (PL), radioluminescence (RL) and thermally-stimulated luminescence (TSL) properties of Pr:CaSiO3crystals grown by the floating zone method. In both the PL and RL spectra, a broad emission ...
Nurul Athirah Noor Azman, Takumi Kato, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Japanese Journal of Applied Physics   57    Feb 2018
© 2018 The Japan Society of Applied Physics. A series of alumina (Al2O3) ceramics doped with different concentrations of scandium (Sc) were synthesized by using spark plasma sintering (SPS) for characterizing luminescence properties. Two emission ...
Takuya Igashira, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optik   155 36-42   Feb 2018
© 2017 Elsevier GmbH Ce-doped Sr2Y8(SiO4)6O2, Sr2Gd8(SiO4)6O2and Sr2Lu8(SiO4)6O2(SrYS, SrGS and SrLuS, respectively) apatite crystals were grown by the Floating Zone method, and their optical and radioluminescence (RL) properties were characterize...
Daisuke Nakauchi, Go Okada, Naoki Kawano, Noriaki Kawaguchi, Takayuki Yanagida
Japanese Journal of Applied Physics   57    Feb 2018
© 2018 The Japan Society of Applied Physics. Bulk single crystals of Ce-doped Tb3GaxAl5-xO12(x = 0-4) were successfully synthesized by the floating zone method. The samples exhibit photoluminescence and scintillation with an intense broad emission...
Narumi Kumamoto, Daisuke Nakauchi, Takumi Kato, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Japanese Journal of Applied Physics   57    Feb 2018
© 2018 The Japan Society of Applied Physics. We have synthesized Dy-doped 12CaO 7Al2O3(Dy:C12A7) single crystals with various Dy concentrations by the floating zone (FZ) method and investigated the photoluminescence (PL) and X-ray induced radiolum...
Yuya Isokawa, Shotaro Hirano, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials   76 28-33   Feb 2018
© 2017 Elsevier B.V. In this study, we developed Li3PO4-B2O3glasses doped with different concentrations of Tb (0.1, 0.3, 1.0, 3.0, and 10.0%) as well as undoped glass, and then the prepared glasses were studied for the optical, dosimeter and scint...
Fumiya Nakamura, Takumi Kato, Go Okada, Naoki Kawano, Noriaki Kawaguchi, Takayuki Yanagida
Materials Letters   211 100-102   Jan 2018
© 2017 Elsevier B.V. In this letter, we report a discovery of a new radio-photoluminescence (RPL) material. The RPL appeared in vacuum-sintered non-doped K2CO3ceramics as an evolution of PL emission band peaking at 440 nm. The RPL signal was confi...
Go Okada, Kenji Shinozaki, Daiki Shiratori, Noriaki Kawaguchi, Takayuki Yanagida
Ceramics International   45 9376-9380   Jan 2018
© 2018 Elsevier Ltd and Techna Group S.r.l. Radio-photoluminescence (RPL), which is an infrequent phenomenon observed in phosphor materials where new luminescent centre is generated by interacting with ionizing radiation, was observed in Eu-doped ...
Noriaki Kawaguchi, Hiromi Kimura, Masaki Akatsuka, Go Okada, Naoki Kawano, Kentaro Fukuda, Takayuki Yanagida
Sensors and Materials   30 1585-1590   Jan 2018
© MYU K.K. The scintillation properties of Pr:CaF2were studied in comparison with those of Eu:CaF2under α-ray excitation using a sealed source of241Am. The relative light yields of the Pr:CaF2crystals were approximately 0.6-13% of the Eu:CaF2cryst...
Hiromi Kimura, Fumiya Nakamura, Takumi Kato, Daisuke Nakauchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   30 1555-1563   Jan 2018
© MYU K.K. Ce:CsCl transparent ceramics doped with different concentrations of Ce (0.01, 0.1, and 1 mol.%) were synthesized by spark plasma sintering, and their optical, scintillation and dosimetric properties were investigated. Regarding the scin...
Daisuke Nakauchi, Go Okada, Koshimizu Masanori, Naoki Kawano, Noriaki Kawaguchi, Takayuki Yanagida
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   435 273-277   Jan 2018
© 2018 Elsevier B.V. Eu-doped SrAl12O19, SrAl4O7, Sr4Al14O25and SrAl2O4bulk crystals were successfully synthesized by the floating zone method. The samples exhibit photoluminescence and scintillation with an intense broad emission due to the 5d-4f...
Naoki Kawano, Noriaki Kawaguchi, Go Okada, Yutaka Fujimoto, Takayuki Yanagida
Sensors and Materials   30 1539-1546   Jan 2018
© MYU K.K. We investigated the photoluminescence (PL), scintillation, and dosimetric properties of strontium aluminoborate glasses with different thulium (Tm) concentrations of 0.1, 0.5, 1.0, and 5.0%. The Tm-doped glasses were synthesized by the ...
Takumi Kato, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Masanori Koshimizu, Takayuki Yanagida
Optical Materials   87 139-144   Jan 2018
© 2018 Elsevier B.V. We have investigated scintillation and photoluminescence (PL) properties of Sr2CeO4ceramics. The ceramic samples were synthesized by the solid state reaction method sintered at different temperatures (1100, 1200, 1300 and 1400...
Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials   87 84-89   Jan 2018
© 2018 Elsevier B.V. Ce-doped MgO-CaO-SiO2ceramics show notable storage luminescence properties as thermally-stimulated luminescence (TSL) and optically-stimulated luminescence (OSL). The origin of luminescence for both TSL and OSL is due to the 5...
Shota Asada, Go Okada, Takumi Kato, Fumiya Nakamura, Naoki Kawano, Noriaki Kawaguchi, Takayuki Yanagida
Chemistry Letters   47 59-61   Jan 2018
© 2018 The Chemical Society of Japan. Eu-doped Ca2SiO4ceramics have been newly found to show radio-photoluminescence (RPL). An as-prepared material shows photoluminescence (PL) only due to Eu3+whereas an additional broad emission due to Eu2+appear...
Go Okada, Fumiya Nakamura, Naoki Kawano, Noriaki Kawaguchi, Safa Kasap, Takayuki Yanagida
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   435 268-272   Jan 2018
© 2018 Elsevier B.V. We have prepared Sm:MgF2ceramics by the spark plasma sintering technique and studied the radio-photoluminescence (RPL) properties. RPL is a phenomenon seen in selected phosphors in which a new photoluminescence (PL) emission c...
Go Okada, Kenji Shinozaki, Takayuki Komatsu, Naoki Kawano, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Non-Crystalline Solids   501 111-115   Jan 2018
© 2018 Elsevier B.V. Tb3+-doped BaF2-Al2O3-B2O3glass and glass-ceramic were synthesized, and the luminescence properties were investigated for potential applications in radiation measurements. The glass-ceramic can be obtained by heat-treating the...
Narumi Kumamoto, Takumi Kato, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   435 313-317   Jan 2018
© 2018 Elsevier B.V. We have synthesized 0.001, 0.01 and 0.1% Ca-doped MgO transparent ceramics by the Spark Plasma Sintering (SPS) method, and then we investigated the optical, scintillation and dosimeter properties. In scintillation spectra, som...
Daisuke Nakauchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Optical Materials   87 58-62   Jan 2018
© 2018 Elsevier B.V. Eu-doped BaxSr1-xAl2O4(x = 0, 0.1, 0.3 and 0.5) single crystals were synthesized by the floating zone method and then characterized for scintillation applications. All the crystal samples exhibit photoluminescence and scintill...
Takumi Kato, Go Okada, Noriaki Kawaguchi, Hirokazu Masai, Takayuki Yanagida
Journal of Non-Crystalline Solids   501 116-120   Jan 2018
© 2018 Elsevier B.V. We have investigated photoluminescence (PL) and scintillation properties of 30BaO-15TiO2-(55-x)GeO2-xSiO2(BTGSx: x = 0, 13.75, 25, 30, 41.25 and 55) glasses and glass-ceramics prepared by the conventional melt-quenching method...
Noriaki Kawaguchi, Go Okada, Kentaro Fukuda, Takayuki Yanagida
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment      Jan 2018
© 2018 Elsevier B.V. We have tested high-temperature responses of prototype neutron detectors equipping Ce-doped lithium silicate glass (GS20), LiCaAlF6:Ce, LiCaAlF6:Eu, LiCaAlF6:Ce, Na, and LiCaAlF6:Eu, Na. These detectors were prepared by coupli...
Go Okada, Masaki Akatsuka, Hiromi Kimura, Masaki Mori, Masaki Mori, Naoki Kawano, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   30 1547-1554   Jan 2018
© MYU K.K. Ce-doped Y4Al2O9(YAM) crystals were grown by the floating zone method, and several different characterizations were conducted for scintillator applications. Both photoluminescence (PL) and scintillation show emissions predominantly due ...
Takumi Kato, Yuki Usui, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment      Jan 2018
© 2018 Elsevier B.V. Scintillation and photoluminescence (PL) properties of undoped and Ce-doped Ca[Formula presented]Sc[Formula presented]Si[Formula presented]O[Formula presented] (CSSG) single crystals were investigated. The crystal samples were...
Masaki Akatsuka, Yuki Usui, Daisuke Nakauchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Sensors and Materials   30 1525-1532   Jan 2018
© MYU K.K. (Lu,Y)AlO3crystals doped with different concentrations of Nd were synthesized by the floating-zone (FZ) method to evaluate their scintillation properties, particularly in the nearinfrared (NIR) range. Under X-ray irradiation, scintillat...
Hiromi Kimura, Takumi Kato, Daisuke Nakauchi, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment      Jan 2018
© 2018 In this study, a CsBr single crystal was grown by the vertical Bridgman–Stockbargermethod, and CsBr transparent ceramic was made by spark plasma sintering. Then, these materials were investigated on the optical, scintillation and thermally-...
Kenichi Watanabe, Natsumi Mitsuboshi, Akihisa Ishikawa, Atsushi Yamazaki, Sachiko Yoshihashi, Akira Uritani, Noriaki Kawaguchi, Takayuki Yanagida, Kentaro Fukuda
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment      Jan 2018
© 2018 Elsevier B.V. We developed a mixed powder neutron scintillator as a novel neutron detection material. Since LiF-Ag:ZnS mixed powder, which is a widely used mixed powder neutron scintillator, is opaque owing to the extremely high refractive ...
Takuya Igashira, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Materials Science: Materials in Electronics   28 18630-18636   Dec 2017
© 2017, Springer Science+Business Media, LLC. We synthesized Sr2Gd8(SiO4)6O2apatite single crystals with different Ce concentrations by the Floating Zone (FZ) method and evaluated the optical and scintillation properties. We confirmed photolumines...
Naoki Kawano, Masanori Koshimizu, Go Okada, Yutaka Fujimoto, Noriaki Kawaguchi, Takayuki Yanagida, Keisuke Asai
Scientific Reports   7    Dec 2017
© 2017 The Author(s). We investigated scintillation properties of organic-inorganic layered perovskite-Type compounds under gamma-ray and X-ray irradiation. A crystal of the hybrid compounds with phenethyl amine (17 × 23 × 4 mm) was successfully f...
Takumi Kato, Naoki Kawano, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Radiation Measurements   107 43-47   Dec 2017
© 2017 We have synthesized the Al2O3transparent ceramic by using spark plasma sintering (SPS) and investigated the dosimeter and scintillation properties for X-ray detections, in comparison with the single crystal. Under X-ray irradiation, emissio...
Shunichi Kaneko, Hirokazu Masai, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Asian Ceramic Societies   5 385-390   Dec 2017
© 2017 The Ceramic Society of Japan and the Korean Ceramic Society Photoluminescence (PL) and radioluminescence properties of Pr-doped lanthanum aluminoborate glasses with the composition xPr-20La2O3-30Al2O3-50B2O3(0 ≤ x ≤ 1.0) were studied. In th...
Fumiya Nakamura, Takumi Kato, Go Okada, Noriaki Kawaguchi, Kentaro Fukuda, Takayuki Yanagida
Journal of the European Ceramic Society   37 4919-4924   Dec 2017
© 2017 Elsevier Ltd We have developed CaF2:Nd transparent ceramics with varying doping concentrations of Nd by spark plasma sintering (SPS) and evaluated the optical, scintillation and dosimeter properties. The samples showed effective absorption ...
Takumi Kato, Go Okada, Noriaki Kawaguchi, Takayuki Yanagida
Journal of Luminescence   192 316-320   Dec 2017
© 2017 We have investigated thermally-stimulated luminescence (TSL) and photo-stimulated luminescence (PSL) properties of MgO transparent ceramic doped with different concentrations of Ce ion (0.001%, 0.01% and 0.1%), together with the photolumine...
Kaneko Shunichi, Masai Hirokazu, Okada Go, Kawaguchi Noriaki, Yanagida Takayuki
JOURNAL OF ASIAN CERAMIC SOCIETIES   5(4) 385-390   Dec 2017   [Refereed]

Misc

 
Yanagida T., Fujimoto Y., Watanabe K., Fukuda K., Kawaguchi N., Miyamoto Y., Nanto H.
Meeting Abstracts of the Physical Society of Japan   70(0)    2015
KUROSAWA S., YOKOTA Y., YANAGIDA T., YOSHIKAWA A., TANIUE K., KUBO H., TANIMORI T., SEKIYA H., FUKUDA K., ISHIZU S., KAWAGUCHI N., NAKAGAWA M., SUYAMA T.
放射線   38(1) 25-33   Mar 2012
YOSHIKAWA Akira, YANAGIDA Takayuki, FUKUDA Kentaro, KAWAGUCHI Noriaki, KAMADA Kei, FUJIMOTO Yutaka, YOKOTA Yuui, KUROSAWA Shunsuke
レーザー研究   40(3) 171-176   Mar 2012

Conference Activities & Talks

 
Borate glass scintillators for charged-particle detection [Invited]
N. Kawaguchi, T. Kato, G. Okada, Y. Fujimoto, T. Yanagida
43rd International Conference and Exposition on Advanced Ceramics and Composites (ICACC 2019)   28 Jan 2019   
Fujiwara Takeshi, Uesaka Mitsuru, Takahashi Hiroyuki, Kamada Kei, Yanagida Takayuki, Fukuda Kentaro, Kawaguchi Noriaki, Fujimoto Yutaka, Suzuki Hiroshi, Akita Kouichi
Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan   2 Mar 2012   
中性子応力測定法は、材料深部の応力ひずみ状態を非破壊で測定できる唯一の方法である。近年の産業利用の増加によりそのニーズは高まり、測定の高効率化が求められている。測定の高効率化には、中性子検出器の大面積化が有効であるが、He-3ガスが枯渇する現在、He-3検出器の大面積化は難しい。そこで、本研究では、He-3検出器の代替検出器として、LiCAF:Ceシンチレータにプラスチックシンチレータを組み合わせたハイブリッド型シンチレータ検出器に着目し、角度分散型の中性子応力測定装置に応用可能な大面積型...
Kurosawa S., Ishizu S., Fukuda K., Nakagawa M., Suyama T., Watanabe K., Takahashi H., Yanagida T., Fujimoto Y., Yamaji A., Sugiyama M., Wakahara S., Yokota Y., Yoshikawa A., Kawaguchi N.
Meeting Abstracts of the Physical Society of Japan   2012   
Kawano Tetsuya, Fukuda Kentaro, Yamane Hisanori, Suehiro Takayuki, Sato Tsugio, Yanagida Takayuki, Kawaguchi Noriaki, Fujimoto Yutaka, Yoshikawa Akira
Preprints of Annual Meeting of The Ceramic Society of Japan<br>Preprints of Fall Meeting of The Ceramic Society of Japan   16 Mar 2011   
(Mg1–xMnx)2B2O5の固溶体をx = 0.05, 0.15, 0.20, 0.30の組成で合成した。結晶構造は,三斜晶系,空間群P-1で、2つあるMgサイトのMg原子の一部を均等にMnで置換するモデルで解析された.いずれのMn量xの固溶体においても,可視光領域では,414 nmのd–d遷移励起で,670 nmにピークを持つブロードな深赤色の発光スペクトルが観察された.発光強度は,x = 0.05のMn量で最大となった後,xの増加にともなって低下した.電荷移動遷移とみられる160 ...
Watanabe Kenichi, Kamada Kei, Fukuda Kentaro, Suyama Toshihisa, Yoshikawa Akira, Kondo Yoshiyuki, Yamazaki Atsushi, Uritani Akira, Iguchi Tetsuo, Yanagida Takayuki, Kawaguchi Noriaki, Fujimoto Yutaka, Yokota Yuui
Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan   2011   
新しい中性子検出器媒体として開発が進められている6Li を含むCe: LiCaAlF6(LiCAF)シンチレータについて、ガンマ線および中性子に対する発光特性の違いを利用した波形処理による中性子/ガンマ線弁別法に関する検討を行った。