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NIMS Awardシンポジウム2026

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高橋 向星

高橋 向星 (TAKAHASHI, Kohsei) 0000-0002-6443-1534

Address
305-0044 茨城県つくば市並木1-1 [アクセス]

[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]

論文 TSV

2026
  1. Xun Liu, Takeo Ohsawa, Noriko Saito, Kohsei Takahashi, Takashi Takeda, Kenzo Deguchi, Shinobu Ohki, Tetsuo Kishi, Tetsuji Yano, Hiroyo Segawa, Naoki Ohashi. Tracing nitridation reaction toward efficient production of oxynitride glasses as hosts for bright luminescence centers. Journal of the Ceramic Society of Japan. 134 [3] (2026) 25148 10.2109/jcersj2.25148 Open Access
  2. Hiroaki Toyoshima, Takayuki Nakanishi, Jian Xu, Shiro Funahashi, Kohsei Takahashi, Hideyuki Emoto, Naoto Hirosaki, Koji Morita. Luminescent properties of SrLi 3 AlO 4 :Eu 2+ phosphor with two narrow-band emissions discovered by the single-particle-diagnosis approach. Science and Technology of Advanced Materials. 27 [1] (2026) 2650843 10.1080/14686996.2026.2650843 Open Access
  3. Akihiro Nakanishi, Shiro Funahashi, Yukinori Koyama, Hisanori Yamane, Kohsei Takahashi, Takayuki Nakanishi, Naoto Hirosaki, Takashi Takeda. Blue–Green Emitting Phosphor Ba 2 LiAlSi 2 O 8 :Eu 2 + for Phosphor-Converted Light-Emitting Diodes via Single-Particle Diagnosis in a Quasi-Quaternary System. ACS Applied Materials & Interfaces. 18 [20] (2026) 28857-28865 10.1021/acsami.6c02416 Open Access
2025
  1. Akihiro Nakanishi, Yukinori Koyama, Takayuki Nakanishi, Shiro Funahashi, Hisanori Yamane, Kohsei Takahashi, Naoto Hirosaki, Hidekazu Ikeno, Takashi Takeda. Discovery of narrow-band emitting phosphor Na5Al3F14:Eu2+ using local structure similarity. Journal of Alloys and Compounds. 1010 (2025) 177853 10.1016/j.jallcom.2024.177853
  2. Hisanori Yamane, Akihiro Nakanishi, Shiro Funahashi, Takayuki Nakanishi, Kohsei Takahashi, Naoto Hirosaki, Takashi Takeda. Preparation and photoluminescence of Eu2+ and Eu3+-doped NaLuO2. Journal of the Ceramic Society of Japan. 133 [7] (2025) 25048 10.2109/jcersj2.25048 Open Access
  3. Xun Liu, Takeo Ohsawa, Jian Xu, Masatoshi Yanagida, Kohsei Takahashi, Takashi Takeda, Tetsuo Kishi, Tetsuji Yano, Hiroyo Segawa, Naoki Ohashi. Synthesis and characterization of oxynitride glass films to develop a host for divalent-europium-centres. Journal of Materials Chemistry C. 13 [35] (2025) 18286-18297 10.1039/d5tc01527h Open Access
2024
  1. Mehdi Estili, Rong-Jun Xie, Kohsei Takahashi, Shiro Funahashi, Tohru S. Suzuki, Naoto Hirosaki. Robust and orange-yellow-emitting Sr-rich polytypoid α-SiAlON (Sr 3 Si 24 Al 6 N 40 :Eu 2+ ) phosphor for white LEDs. Science and Technology of Advanced Materials. 25 [1] (2024) 2396276 10.1080/14686996.2024.2396276 Open Access
  2. Yoriko Suda, Tsuyoshi Okuno, Takashi Takeda, Kohsei Takahashi, Naoto Hirosaki. The decay curves of luminescence from Eu2+ in β-SiAlON are effectively analyzed using the general-order kinetics formula. Journal of Physics D: Applied Physics. 57 [18] (2024) 185101 10.1088/1361-6463/ad2294 Open Access
  3. Hiroyo Segawa, Natalia A. Wójcik, Kohsei Takahashi, Takashi Takeda, Sharafat Ali. Elucidating photoluminescent properties of Eu‐doped Ca–Al–Si–O(–N) glasses and the local structures of Eu ions. Journal of the American Ceramic Society. 107 [5] (2024) 2930-2939 10.1111/jace.19615 Open Access
2023
  1. Kohsei Takahashi, Shin-ichi Todoroki, Takashi Takeda, Naoto Hirosaki. Quantum Efficiency Measurement of Single-Particle Phosphor by Proximity Method. ECS Journal of Solid State Science and Technology. 12 [7] (2023) 076002 10.1149/2162-8777/ace0da
  2. Kohsei Takahashi, Takashi Takeda, Naoto Hirosaki. Luminescence of single-particle ceramic phosphor by proximity measurement. Japanese Journal of Applied Physics. 62 [1] (2023) 016510 10.35848/1347-4065/acb2a2
2022
  1. Takashi Takeda, Shiro Funahashi, Kohsei Takahashi, Rong-Jun Xie, Naoto Hirosaki. Structure elucidation of luminescent centers in green emitting Eu2+ doped Si6-zAlzOzN8-z phosphors. Scripta Materialia. 207 (2022) 114238 10.1016/j.scriptamat.2021.114238
2021
  1. Shunsuke Watanabe, Yuta Osawa, Shingo Machida, Ken-ichi Katsumata, Atsuo Yasumori, Kohsei Takahashi, Kenzo Deguchi, Shinobu Ohki, Hiroyo Segawa. Investigation of luminescence properties of Eu-doped Si-Al-O-N glasses synthesized via sol-gel process. Journal of Non-Crystalline Solids. 573 (2021) 121107 10.1016/j.jnoncrysol.2021.121107
  2. Jian Xu, Shiro Funahashi, Kohsei Takahashi, Takayuki Nakanishi, Naoto Hirosaki, Takashi Takeda. Cyan-Emitting Sialon-Polytypoid Phosphor Discovered by a Single-Particle-Diagnosis Approach. ECS Journal of Solid State Science and Technology. 10 [11] (2021) 116002 10.1149/2162-8777/ac331c
  3. Peng Zheng, Shuxing Li, Takashi Takeda, Jian Xu, Kohsei Takahashi, Rundong Tian, Ran Wei, Le Wang, Tian-Liang Zhou, Naoto Hirosaki, Rong-Jun Xie. Unraveling the Luminescence Quenching of Phosphors under High-Power-Density Excitation. Acta Materialia. 209 (2021) 116813 10.1016/j.actamat.2021.116813
  4. Yoriko Suda, Yoshiaki Kamigaki, Hayato Miyagawa, Takashi Takeda, Kohsei Takahashi, Naoto Hirosaki. Effects of Eu2+ on the luminescence and afterglow that arise from defects in β-SiAlON:Eu2+. Journal of Physics D: Applied Physics. 54 [6] (2021) 065102 10.1088/1361-6463/abc199
2020
  1. Yoriko Suda, Yoshiaki Kamigaki, Hayato Miyagawa, Takashi Takeda, Kohsei Takahashi, Naoto Hirosaki. Luminescence and afterglow due to defects in β-SiAlON crystal powder. Journal of Physics D: Applied Physics. 53 [16] (2020) 165108 10.1088/1361-6463/ab6ea3
  2. Hiromichi Chima, Naoyuki Shiokawa, Keisuke Seto, Kohsei Takahashi, Naoto Hirosaki, Takayoshi Kobayashi, Eiji Tokunaga. Thermal Relaxation Spectra for Evaluating Luminescence Quantum Efficiency of CASN:Eu2+ Measured by Balanced-Detection Sagnac-Interferometer Photothermal Deflection Spectroscopy. Applied Sciences. 10 [3] (2020) 1008 10.3390/app10031008 Open Access
2019
  1. Chun-Yun Wang, Takashi Takeda, Otmar Melvin ten Kate, Shiro Funahashi, Rong-Jun Xie, Kohsei Takahashi, Naoto Hirosaki. New Deep-Blue-Emitting Ce-Doped A4–mBnC19+2mX29+m (A = Sr, La; B = Li; C = Si, Al; X = O, N; 0 ≤ m ≤ 1; 0 ≤ n ≤ 1) Phosphors for High-Color-Rendering Warm White Light-Emitting Diodes. ACS Applied Materials & Interfaces. 11 [32] (2019) 29047-29055 10.1021/acsami.9b09982
  2. Lihong Liu, Chenning Zhang, Kohsei Takahashi, Toshiyuki Nishimura, Hiroyo Segawa, Naoto Hirosaki, Rong-Jun Xie. Uniform and fine Mg-γ-AlON powders prepared from MgAl2O4: A promising precursor material for highly-transparent Mg-γ-AlON ceramics. Journal of the European Ceramic Society. 39 [4] (2019) 928-933 10.1016/j.jeurceramsoc.2018.10.028
2018
  1. Jumpei Ueda, Setsuhisa Tanabe, Kohsei Takahashi, Takashi Takeda, Naoto Hirosaki. Thermal Quenching Mechanism of CaAlSiN3:Eu2+ Red Phosphor. Bulletin of the Chemical Society of Japan. 91 [2] (2018) 173-177 10.1246/bcsj.20170307
2017
  1. Benjamin Dierre, Karine Costuas, Noée Dumait, Serge Paofai, Maria Amela-Cortes, Yann Molard, Fabien Grasset, Yujin Cho, Kohsei Takahashi, Naoki Ohashi, Tetsuo Uchikoshi, Stéphane Cordier. Mo6 cluster-based compounds for energy conversion applications: comparative study of photoluminescence and cathodoluminescence. Science and Technology of Advanced Materials. 18 [1] (2017) 458-466 10.1080/14686996.2017.1338496 Open Access
  2. Chun-Yun Wang, Takashi Takeda, Otmar Melvin ten Kate, Masataka Tansho, Kenzo Deguchi, Kohsei Takahashi, Rong-Jun Xie, Tadashi Shimizu, Naoto Hirosaki. Ce-Doped La3Si6.5Al1.5N9.5O5.5, a Rare Highly Efficient Blue-Emitting Phosphor at Short Wavelength toward High Color Rendering White LED Application. ACS Applied Materials & Interfaces. 9 [27] (2017) 22665-22675 10.1021/acsami.7b03909
  3. Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, Masamichi Harada, Kohsei Takahashi, Hiroyo Segawa, Rong-Jun Xie, Naoto Hirosaki. Optical properties of green-emitting β-sialon:Eu phosphor-containing silica glasses and their deterioration mechanism. Japanese Journal of Applied Physics. 56 [6] (2017) 060302 10.7567/jjap.56.060302
  4. Le Wang, Xiao-Jun Wang, Kohsei Takahashi, Takashi Takeda, Naoto Hirosaki, Rong-Jun Xie. Nitride phosphors as robust emissive materials in white flat field emission lamps. Optical Materials Express. 7 [6] (2017) 1934 10.1364/ome.7.001934 Open Access
  5. Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, Kohsei Takahashi, Rong-Jun Xie, Naoto Hirosaki, Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, TAKAHASHI, Kohsei, XIE, Rong-Jun, HIROSAKI, Naoto. Achieving superwide-color-gamut display by using narrow-band green-emitting γ-AlON:Mn,Mg phosphor. Japanese Journal of Applied Physics. 56 [4] (2017) 041701
  6. Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, Kohsei Takahashi, Rong-Jun Xie, Naoto Hirosaki. Achieving superwide-color-gamut display by using narrow-band green-emitting γ-AlON:Mn,Mg phosphor. Japanese Journal of Applied Physics. 56 [4] (2017) 041701 10.7567/jjap.56.041701
2016
  1. Yujin Cho, Benjamin Dierre, Takashi Sekiguchi, Takayuki Suehiro, Kohsei Takahashi, Takashi Takeda, Rong-Jun Xie, Yoshinobu Yamamoto, Naoto Hirosaki. Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors. Journal of Visualized Experiments. [117] (2016) 10.3791/54249
  2. Chun-Yun Wang, Takashi Takeda, Otmar Melvin ten Kate, Rong-Jun Xie, Kohsei Takahashi, Naoto Hirosaki. Synthesis and photoluminescence properties of a phase pure green-emitting Eu doped JEM sialon (LaSi6−zAl1+zN10−zOz, z ∼ 1) phosphor with a large red-shift of emission and unusual thermal quenching behavior. Journal of Materials Chemistry C. 4 [43] (2016) 10358-10366 10.1039/c6tc02229d
  3. Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, Masatsugu Masuda, Toyonori Uemura, Kohsei Takahashi, Rong-Jun Xie, Naoto Hirosaki. White LEDs using the sharp β-sialon: Eu phosphor and Mn-doped red phosphor for wide-color gamut display applications. Journal of the Society for Information Display. 24 [7] (2016) 449-453 10.1002/jsid.462
  4. Kenichi Yoshimura, Kazunori Annen, Hiroshi Fukunaga, Masamichi Harada, Makoto Izumi, Kohsei Takahashi, Tetsuo Uchikoshi, Rong-Jun Xie, Naoto Hirosaki. Optical properties of solid-state laser lighting devices using SiAlON phosphor–glass composite films as wavelength converters. Japanese Journal of Applied Physics. 55 [4] (2016) 042102 10.7567/jjap.55.042102
  5. Thai Giang Truong, Benjamin Dierre, Fabien Grasset, Noriko Saito, Norio Saito, Thi Kim Ngan Nguyen, Kohsei Takahashi, Tetsuo Uchikoshi, Marian Amela-Cortes, Yann Molard, Stéphane Cordier, Naoki Ohashi. Visible tunable lighting system based on polymer composites embedding ZnO and metallic clusters: from colloids to thin films. Science and Technology of Advanced Materials. 17 [1] (2016) 443-453 10.1080/14686996.2016.1202724 Open Access
  6. Yujin Cho, Benjamin Dierre, Naoki Fukata, Naoto Hirosaki, Kazuhiro Marumoto, Donghyun Son, Kohsei Takahashi, Takashi Takeda, Takashi Sekiguchi. Defects and luminescence control of AlN ceramic by Si-doping. Scripta Materialia. 110 (2016) 109-112 10.1016/j.scriptamat.2015.08.013
2015
  1. Le Wang, Xiaojun Wang, Takahashi Kohsei, Ken-ichi Yoshimura, Makoto Izumi, Naoto Hirosaki, Rong-Jun Xie. Highly efficient narrow-band green and red phosphors enabling wider color-gamut LED backlight for more brilliant displays. Optics Express. 23 [22] (2015) 28707 10.1364/oe.23.028707 Open Access
  2. Kohsei Takahashi, Benjamin Dierre, Yujin Cho, Takashi Sekiguchi, Rong-Jun Xie, Naoto Hirosaki, H. T. J. M. Hintzen. Microanalysis of Calcium Codoped LaAl(Si6−z Al z )(N10−z O z ) (z ~1): Ce3+ Blue Phosphor. Journal of the American Ceramic Society. 98 [4] (2015) 1253-1258 10.1111/jace.13470
2014
  1. Yujin Cho, Benjamin Dierre, Takashi Takeda, Kohsei Takahashi, Naoto Hirosaki, Takashi Sekiguchi. Influence of Si on the particle growth of AlN ceramics. Applied Physics Express. 7 [11] (2014) 115503 10.7567/apex.7.115503
2013
  1. Benjamin Dierre, Takashi Takeda, Takashi Sekiguchi, Takayuki Suehiro, Kohsei Takahashi, Yoshinobu Yamamoto, Rong-Jun Xie, Naoto Hirosaki. Local analysis of Eu2+emission in CaAlSiN3. Science and Technology of Advanced Materials. 14 [6] (2013) 064201 10.1088/1468-6996/14/6/064201 Open Access
2012
  1. Kohsei Takahashi, Ken-ichi Yoshimura, Masamichi Harada, Yoshitaka Tomomura, Takashi Takeda, Rong-Jun Xie, Naoto Hirosaki. On the origin of fine structure in the photoluminescence spectra of the β-sialon:Eu2+green phosphor. Science and Technology of Advanced Materials. 13 [1] (2012) 015004 10.1088/1468-6996/13/1/015004 Open Access
2011
  1. Kohsei Takahashi, Rong-Jun Xie, Naoto Hirosaki. Toward Higher Color Purity and Narrower Emission Band β-sialon:Eu2+ by Reducing the Oxygen Concentration. Electrochemical and Solid-State Letters. 14 [11] (2011) E38 10.1149/2.017111esl
2007
  1. Kohsei Takahashi, Naoto Hirosaki, Rong-Jun Xie, Masamichi Harada, Ken-ichi Yoshimura, Yoshitaka Tomomura. Luminescence properties of blue La1-xCexAl(Si6-zAlz)(N10-zOz)(z=1) oxynitride phosphors and their application in white light-emitting diode. Applied Physics Letters. 91 [9] (2007) 091923 10.1063/1.2779093
2006
  1. Rong-Jun Xie, Naoto Hirosaki, Mamoru Mitomo, Kosei Takahashi, Ken Sakuma. Highly efficient white-light-emitting diodes fabricated with short-wavelength yellow oxynitride phosphors. Applied Physics Letters. 88 [10] (2006) 101104 10.1063/1.2182067

書籍 TSV

会議録 TSV

口頭発表 TSV

2025
  1. 劉 珣, OHSAWA, Takeo, XU, Jian, YANAGIDA, Masatoshi, TAKAHASHI, Kohsei, TAKEDA, Takashi, 岸 哲生, 矢野 哲司, SEGAWA, Hiroyo, OHASHI, Naoki. Nitridation behavior on synthesis of oxynitride glass films by sol-gel process followed by ammonolysis. 17th International Conference on the Physics of Non-Crystalline Solids (PNCS 17). 2025
2024
  1. NAKANISHI, Akihiro, KOYAMA, Yukinori, NAKANISHI, Takayuki, TAKAHASHI, Kohsei, HIROSAKI, Naoto, 池野豪一, TAKEDA, Takashi. Characterization of narrow-band emitting phosphor Na5Al3F14:Eu2+ discovered by local structure similarity. 第34回日本MRS年次大会. 2024 Open Access
  2. 中西 昭博, 小山 幸典, 中西 貴之, 高橋 向星, 廣崎 尚登, 池野 豪一, 武田 隆史. LSS 法を用いて探索されたフッ化物狭帯域蛍光体の粉末合成. 第85回　応用物理学会　秋季学術講演会. 2024 Open Access
  3. 中西 貴之, 高橋 向星, 武田 隆史. Eu2+蛍光体における光励起キャリア経路の検討. 第85回応用物理学会秋季学術講演会. 2024
  4. 高橋 向星, 廣崎 尚登, 武田 隆史. 近接測定による単粒子蛍光体の量子効率測定. 2024年第71回応用物理学会春季学術講演会. 2024
  5. 須田 順子, 奥野 剛史, 武田 隆史, 高橋 向星, 廣崎 尚登. β-SiAlON に添加したEu2+による発光の減衰曲線解析. 2024年第71回応用物理学会春季学術講演会. 2024
2023
  1. 劉 珣, XU, Jian, TAKAHASHI, Kohsei, TAKEDA, Takashi, YANAGIDA, Masatoshi, 岸 哲生, 矢野 哲司, SEGAWA, Hiroyo, OHASHI, Naoki. Luminescent-down shifting properties of Eu2+-doped Sr-Si-Al-O-N glass films synthesized via the sol-gel method and ammonolysis. MRM2023. 2023
  2. 中西 貴之, 許 健, 高橋 向星, 廣崎 尚登, 武田 隆史. 微小LEDディスプレイを指向する新規希土類配位蛍光体の光物性. 第84回応用物理学会秋季学術講演会. 2023
  3. 劉 珣, 瀬川 浩代, 高橋 向星, 出口 健三, 大木 忍, 武田 隆史, 岸 哲生, 矢野 哲司, 大橋 直樹. Eu 添加 Sr Si Al O N ガラス粉末の発光特性の評価. 粉体粉末冶金協会 2023年度春季大会. 2023
2022
  1. 北浦 守, 渡邊真太, 正井博和, 平 義隆, 丹所 正孝, 高橋 向星, 武田 隆史, 廣崎 尚登, 出口 健三, 大木 忍, 大西彰正. 環状ネットワーク侵入型発光中心と原子空孔の マルチプローブ分光. UVSORシンポジウム2022. 2022
  2. XU, Jian, FUNAHASHI, Shiro, TAKAHASHI, Kohsei, NAKANISHI, Takayuki, HIROSAKI, Naoto, TAKEDA, Takashi. New (oxy)nitride phosphors discovered by single-particle-diagnosis approach and time-resolved spectroscopy. 2022年 第83回応用物理学会秋季学術講演会. 2022
  3. 劉 珣, 高橋 向星, 武田 隆史, 岸 哲生, 矢野 哲司, 大橋 直樹, 瀬川 浩代. ゾル－ゲル法によるEu添加Sr-Al-Si-O-Nガラス蛍光体粉末の作製と発光特性の評価. 日本セラミックス協会 第35回秋季シンポジウム. 2022
  4. XU, Jian, FUNAHASHI, Shiro, TAKAHASHI, Kohsei, NAKANISHI, Takayuki, HIROSAKI, Naoto, TAKEDA, Takashi. Discovery of New (oxy)nitride phosphors by single-particle-diagnosis approach and time-resolved spectroscopy. 日本セラミックス協会 第35回秋季シンポジウム. 2022
  5. 瀬川 浩代, 高橋 向星, 武田 隆史, 大橋 直樹. EuドープSi-Al-O-N蛍光ガラスの作製と光学特性. 第388回蛍光体同学会講演会. 2022 招待講演
  6. 劉 珣, 高橋 向星, 武田 隆史, 大澤 健男, 大橋 直樹, 岸 哲生, 矢野 哲司, 瀬川 浩代. Eu添加Sr-Si-Al-O-Nガラス薄膜の作製とアンモノリシス処理の発光特性への影響. 日本ゾル-ゲル学会 第20回討論会. 2022
  7. 劉 珣, OSAWA, Yuta, YANAGIDA, Masatoshi, TAKAHASHI, Kohsei, 岸 哲生, SEGAWA, Hiroyo, OHASHI, Naoki, 矢野 哲司. Eu2+-doped Sr-Si-Al-O-N glass films synthesized by sol-gel process for luminescent-down shifting function. 2022年第69回応用物理学会春季学術講演会 https://confit.atlas.jp/guide/event/jsap2022s/top. 2022
2021
  1. 許 健, 高橋 向星, 中西 貴之, 武田 隆史, 廣崎 尚登. Insights into the saturation mechanism of LED phosphors. 2021年第82回応用物理学会秋季学術講演会. 2021
  2. 武田 隆史, 舟橋 司朗, 高橋 向星, 廣崎 尚登. βサイアロン蛍光体の発光中心位置の解明. 第82回応用物理学会秋季学術講演会. 2021
  3. XU, Jian, TAKAHASHI, Kohsei, NAKANISHI, Takayuki, TAKEDA, Takashi, HIROSAKI, Naoto. Revisiting the multi-site emission from SrAl2O4:Eu2+-Dy3+ by time-resolved spectroscopy. 日本セラミックス協会 第34回秋季シンポジウム. 2021
  4. 許 健, 高橋 向星, 中西 貴之, 武田 隆史, 廣崎 尚登. Low temperature time-resolved spectroscopy of the multi-site emission in SrAl2O4:Eu2+-Dy3+. 第37回希土類討論会. 2021
  5. 中西 貴之, 角野 裕貴, 北川 裕一, 樋口 幹雄, 竹村 翔太, 高橋 向星, 武田 隆史, 長谷川 靖哉, 廣崎 尚登. 光電流法による希土類蛍光体の電荷移動経路：温度消光パスの検討. 第37回希土類討論会. 2021
  6. 須田 順子, 神垣 良昭, 宮川 勇人, 武田 隆史, 高橋 向星, 廣崎 尚登. 緑色蛍光体β-SiAlON:Eu2+の欠陥発光とEu2+の影響. 2021年第68回応用物理学会春季学術講演会. 2021
  7. 許 健, 高橋 向星, 中西 貴之, 武田 隆史, 廣崎 尚登. Insights into the multi-site emission from SrAl2O4:Eu2+-Dy3+ persistent phosphors by time-resolved streak imaging. 第68回応用物理学会春季学術講演会. 2021
2019
  1. 瀬川 浩代, Natalia Wojcik, 高橋 向星, 廣崎 尚登, Sharafat Ali. Ca-Si-Al-O-Nガラスにドープ下Euイオンの発光特性. 第60回ガラス及びフォトニクス材料討論会. 2019
  2. SEGAWA, Hiroyo, Natalia Wojcik, TAKAHASHI, Kohsei, HIROSAKI, Naoto, Sharafat Ali. Photoluminescent properties of Eu-doped Ca-Si-Al-O-N glasses. The 11th International Symposium on Transparent Oxide and Related Materials for Electronics and Optics (TOEO-11). 2019
  3. SEGAWA, Hiroyo, Natalia Wojcik, TAKAHASHI, Kohsei, HIROSAKI, Naoto, Sharafat Ali. Fluorescence properties of Eu-doped oxynitride glasses. The 11th International Conference on the Science and Technology for Advanced Ceramics (STAC-11). 2019
  4. 須田 順子, 神垣 良昭, 宮川 勇人, 武田 隆史, 高橋 向星, 廣崎 尚登. 緑色蛍光体 β-SiAlON:Eu2+の欠陥発光とEu2+発光特性への影響. 第66回応用物理学会春季学術講演会. 2019
2018
  1. 高橋 向星, 市野善朗, 大澤祥宏, 廣崎 尚登. 酸窒化物蛍光体の配光蛍光分光測定Ⅲ. 第79回応用物理学会秋季学術講演会. 2018
  2. 劉 麗紅, 張 晨寧, 高橋 向星, 西村 聡之, 瀬川 浩代, 廣崎 尚登, Xie Rong-JUN. Highly-Transparent γ-AlON Ceramics Fabricated by Using High Purity and Sinterability γ-AlON Powders Synthesized with Adding MgAl2O4. The 79th JSAP Autumn Meeting. 2018
  3. ESTILI, Mehdi, XIE, Rong-Jun, TAKAHASHI, Kohsei, LIU, Lihong, FUNAHASHI, Shiro, SUZUKI, Tohru, HIROSAKI, Naoto. Powder synthesis and photoluminescence properties of a new yellow-emitting Eu-doped Sr-α-SiAlON phosphor, Sr1+xSi28-2xAl2+2xN40 (x=2). 79th Autumn Meeting of the Japan Society of Applied Physics (JSAP). 2018
  4. LIU, Lihong, ZHANG, Chenning, TAKAHASHI, Kohsei, NISHIMURA, Toshiyuki, SEGAWA, Hiroyo, HIROSAKI, Naoto, Xie Rong-JUN. Fabrication of Highly Transparent γ-AlON Ceramics from High Sinterability Powders by Using Spark Plasma Sintering Method and Hot Isostatic Pressing Post-treatment. The 79th JSAP Autumn Meeting. 2018
  5. ジョ ユージン, 武田 隆史, 高橋 向星, 木村 隆, 解 栄軍, 廣崎 尚登, 関口 隆史. Effect of Mn-doping on the properties of Mn, Mg-codopedγ-AlON green phosphor. JSAP spring meeting 2018. 2018
2017
  1. 解 栄軍, 高橋 向星, 廣崎 尚登. 広色域液晶ディスプレイバックライト用緑色発光材料と応用. 微ナノ光学技術と応用交流会. 2017
  2. 解 栄軍, 吉村 健一, 高橋 向星, 武田 隆史, 廣崎 尚登. Narrow-band green phosphors for LED backlights. 中国希土類学会2017学術年会. 2017 招待講演
  3. 解 栄軍, 高橋 向星, 武田 隆史, 廣崎 尚登. 不純物制御したBNからの近紫外線発光（II）電界放出ランプの試作. 第64回応用物理学会春季学術講演会 . 2017
  4. 武田 隆史, 解 栄軍, ジョ ユージン, 高橋 向星, 関口 隆史, 小山 幸典, 廣崎 尚登. 不純物制御したBNからの近紫外線発光（I）合成と発光特性. 第64回応用物理学会春季学術講演会. 2017
2016
  1. 解 栄軍, 吉村健一, 高橋 向星, 廣崎 尚登. Narrow-band phosphors and their applications in wide color gamut baclights. 第14回全国発光学学術会議. 2016 招待講演
  2. WANG, Chunyun, FUNAHASHI, Shiro, TEN KATEOtmar Melvin, TANSHO, Masataka, TAKEDA, Takashi, TAKAHASHI, Kohsei, XIE, Rong-Jun, SHIMIZU, Tadashi, HIROSAKI, Naoto. A Single Phase LaAl(Si6-zAlz)(N10-zOz):Eu2+ Phosphor with Large Red-Shift of the Emission and Anomalous Decay Behavior. PRiME 2016. 2016
  3. 解 栄軍, 高橋 向星, 廣崎 尚登. Nitride phosphors for wide color-gamut white LED backlights. 中国ナノ材料発光性質学術会議. 2016 招待講演
  4. ジョ ユージン, 高橋 向星, 武田 隆史, 解 栄軍, 廣崎 尚登, 関口 隆史. Cross-sectional CL observation for Oxynitride phosphors. Beam Injection Assessment of Microstructure in Semiconductor . 2016
  5. 解 栄軍, 王楽, 王 暁君, 高橋 向星, 武田 隆史, 廣崎 尚登, 和泉真, 吉村健一. 広色域ディスプレイ用バックライトLED 〜 Eu2+賦活β-sialon蛍光体、Mn4+賦活K2SiF6蛍光体. 第63回応用物理学会春季学術講演会. 2016
  6. 解 栄軍, 高橋 向星, 吉村健一, 和泉　真, 廣崎 尚登. 狭帯域蛍光体を用いて広色域LEDバックライトの試作. 発光型／非発光型ディスプレイ合同研究会. 2016
2015
  1. ジョ ユージン, ディエール バンジャマン, 高橋 向星, 武田 隆史, 深田 直樹, 廣崎 尚登, 関口 隆史. Improvement of luminescence properties and particle growth of AlN phosphors by Si-doping. ECS 228th Meeting. 2015
  2. ジョ ユージン, 湯 代明, ディエール バンジャマン, 高橋 向星, 廣崎 尚登, 関口 隆史. TEM and CL analysis of Si-doped AlN powders. The 76th JSAP Autumn meeting. 2015
  3. ジョ ユージン, ディエール バンジャマン, 高橋 向星, 深田 直樹, 武田 隆史, 廣崎 尚登, 関口 隆史. What about doping Si into AlN powder?. Joint Symposium on Electronic Materials 2015 (JSEM2015). 2015
  4. ジョ ユージン, 高橋 向星, ディエール バンジャマン, 武田 隆史, 廣崎 尚登, 関口 隆史. A comparison between GPS and HIP methods for Si-doped AlN powders synthesis. Phosphor safari 2015. 2015
  5. ジョ ユージン, ディエール バンジャマン, 高橋 向星, 深田 直樹, 廣崎 尚登, 関口 隆史. Enhancement of particle growth and luminescence of AlN by Si-doping. INC11. 2015
  6. ジョ ユージン, 高橋 向星, ディエール バンジャマン, 解 栄軍, 廣崎 尚登, 関口 隆史. Microscopic approach for optimizing the growth conditions of LaAl(Si6-zAlz)(N10-zOz)(z~1):Ce3+ blue phosphor . The 62nd JSAP spring meeting. 2015
  7. 高橋 向星, ジョ ユージン, 武田 隆史, 舟橋 司朗, 解 栄軍, 関口 隆史, 廣崎 尚登, 高橋向星. 粉末合成したA3B8X12型新緑色窒化物蛍光体のカソードルミネッセンス観察. 2015年 第62回応用物理学会春季学術講演会. 2015
2014
  1. ジョ ユージン, ディエール バンジャマン, 武田 隆史, 高橋 向星, 廣崎 尚登, 関口 隆史. Effect of Si-doping on the luminescence and particle growth of AlN phosphors. The phosphor safari 2014. 2014
  2. 高橋 向星, ディエール バンジャマン, ジョ ユージン, 関口 隆史, 武田 隆史, 解 栄軍, 廣崎 尚登. LaAl(Si6-zAlz)(N10-zOz) (z~1) : Ce3+青色蛍光体のカソードルミネッセンス解析. 第75回応用物理学会秋季学術講演会. 2014
  3. 高橋 向星, 廣崎 尚登. 固体照明用標準蛍光体. 5th International Congress on Ceramics. 2014
  4. 高橋 向星, ディエール バンジャマン, ジョ ユージン, 関口 隆史, 解 栄軍, 廣崎 尚登. LaAl(Si6-zAlz)(N10-zOz) (z~1) : Ce3+青色蛍光体のCL解析. BIAMS12. 2014
  5. ジョ ユージン, ディエール バンジャマン, 武田 隆史, 高橋 向星, 深田 直樹, 廣崎 尚登, 関口 隆史. Defect evolution in AlN particle with Si-doping. BIAMS12. 2014
  6. ジョ ユージン, ディエール バンジャマン, 武田 隆史, 高橋 向星, 深田 直樹, 廣崎 尚登, 関口 隆史. Influence of Si-doping on the luminescence and defect evolution of AlN. The 61st JSAP spring meeting. 2014
2013
  1. ジョ ユージン, ディエール バンジャマン, 武田 隆史, 廣崎 尚登, 高橋 向星, 深田 直樹, 関口 隆史. Defects dependence in AlN with Si doping. 10th Materials Science School for Young Scientists. 2013
  2. ジョ ユージン, ディエール バンジャマン, 武田 隆史, 高橋 向星, 深田 直樹, 廣崎 尚登, 関口 隆史. Structural and optical properties of Si3N4-doped AlN as UV emitters . JSAP Autumn Meeting 2013. 2013
  3. ジョ ユージン, ディエール バンジャマン, 武田 隆史, 高橋 向星, 廣崎 尚登, 深田 直樹, 関口 隆史. Influence of Si-doping on the structure and optical properties of AlN. The 16th Joint Symposium on Electronic Materials. 2013
2012
  1. 吉村健一, TAKAHASHI, Kohsei, H. Fukunage, M. Harada, Y. Tomomura, XIE, Rong-Jun, HIROSAKI, Naoto, TAKEDA, Takashi. Improved display color gamut by asymmetric emission spectrum from beta-sialon green phosphor. The 19th International Display Workshops. 2012
2006
  1. 解 栄軍, 廣崎 尚登, 佐久間 健, 高橋 向星, 三友 護. 黄緑色サイアロン蛍光体の合成と評価. 第19回秋季シンポジウム. 2006
  2. 高橋 向星, 廣崎 尚登, 山本 吉信, 解 栄軍, 原田昌道, 吉村健一, 友村好隆. 酸窒化物青色蛍光体の発光特性と白色発光ダイオードへの応用（２）. 第53回応用物理学関連連合講演会. 2006
  3. 解 栄軍, 廣崎 尚登, 三友 護, 高橋 向星, 佐久間 健. 短波長黄色サイアロン蛍光体の蛍光特性と白色発光ダイオードへの応用. 2006年春季 第53回学関係連合講演会. 2006
  4. 解 栄軍, 廣崎 尚登, 三友 護, 高橋 向星, 佐久間 健. Synthesis and optical properties of greenish yellow α-SiAlON:Eu2+ phosphors. 15th International Conference on Ternary and Multinary Compounds. 2006
2005
  1. 高橋 向星, 廣崎 尚登, 山本 吉信, 解 栄軍, 原田昌道, 吉村 健一, 種田元隆. 酸窒化物青色蛍光体の発光特性と白色発光ダイオードへの応用. 2005年秋季第65回応用物理学会学術講演会. 2005

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