publication_type publication_year number author title journal_title volume_number issue_number start_page end_page doi reported_at Paper 2018 1 Hiroyo Segawa, Yujin Cho, Takashi Sekiguchi, Naoto Hirosaki, Kenzo Deguchi, Shinobu Ohki, Tadashi Shimizu Reaction of europium-doped α-SiAlON phosphors with sodium borosilicate glass matrices Journal of the European Ceramic Society 38 2 735 741 https://doi.org/10.1016/j.jeurceramsoc.2017.09.033 2024-04-20 13:29:50 +0900 Paper 2018 2 Masatomo Sumiya, Shigenori Ueda, Kiyotaka Fukuda, Yuya Asai, Yujin Cho, Liwen Sang, Akira Uedono, Takashi Sekiguchi, Takeyoshi Onuma, Tohru Honda Valence band edge tail states and band gap defect levels of GaN bulk and In x Ga1− x N films detected by hard X-ray photoemission and photothermal deflection spectroscopy Applied Physics Express 11 2 021002 https://doi.org/10.7567/apex.11.021002 2024-04-20 13:29:50 +0900 Paper 2018 3 Shuxing Li, Le Wang, Daiming Tang, Yujin Cho, Xuejian Liu, Xingtai Zhou, Lu Lu, Lin Zhang, Takashi Takeda, Naoto Hirosaki, Rong-Jun Xie Achieving High Quantum Efficiency Narrow-Band β-Sialon:Eu2+ Phosphors for High-Brightness LCD Backlights by Reducing the Eu3+ Luminescence Killer Chemistry of Materials 30 2 494 505 https://doi.org/10.1021/acs.chemmater.7b04605 2024-04-20 13:29:50 +0900 Paper 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 1 458 466 https://doi.org/10.1080/14686996.2017.1338496 2024-04-20 13:29:50 +0900 Paper 2017 2 Hui-Bing Xu, Wei-Dong Zhuang, Le Wang, Rong-Hui Liu, Yuan-Hong Liu, Li-Hong Liu, Yujin Cho, Naoto Hirosaki, Rong-Jun Xie Synthesis and Photoluminescence Properties of a Blue-Emitting La3Si8N11O4:Eu2+ Phosphor Inorganic Chemistry 56 22 14170 14177 https://doi.org/10.1021/acs.inorgchem.7b02310 2024-04-20 13:29:50 +0900 Paper 2017 3 Liang-Jun Yin, Benjamin Dierre, Takashi Sekiguchi, J. van Ommen, Hubertus Hintzen, Yujin Cho Transition of Emission Colours as a Consequence of Heat-Treatment of Carbon Coated Ce3+-Doped YAG Phosphors Materials 10 10 1180 https://doi.org/10.3390/ma10101180 2024-04-20 13:29:50 +0900 Paper 2017 4 Liwen Sang, Bing Ren, Masatomo Sumiya, Meiyong Liao, Yasuo Koide, Atsushi Tanaka, Yujin Cho, Yoshitomo Harada, Toshihide Nabatame, Takashi Sekiguchi, Shigeyoshi Usami, Yoshio Honda, Hiroshi Amano Initial leakage current paths in the vertical-type GaN-on-GaN Schottky barrier diodes Applied Physics Letters 111 12 122102 https://doi.org/10.1063/1.4994627 2024-04-20 13:29:50 +0900 Paper 2017 5 Haipeng Ji, Yujin Cho, Le Wang, Naoto Hirosaki, Maxim S. Molokeev, Zhaohui Huang, Rong-Jun Xie Phase formation of (Y,Ce) 2 BaAl 4 SiO 12 yellow microcrystal-glass phosphor for blue LED pumped white lighting Ceramics International 43 8 6425 6429 https://doi.org/10.1016/j.ceramint.2017.02.055 2024-04-20 13:29:50 +0900 Paper 2016 1 Shengping Wang, Shuang Xie, Guowei Huang, Hongxuan Guo, Yujin Cho, Jun Chen, Daisuke Fujita, Mingsheng Xu Grassy Silica Nanoribbons and Strong Blue Luminescence Scientific Reports 6 1 https://doi.org/10.1038/srep34231 2024-04-20 13:29:50 +0900 Paper 2016 2 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 https://doi.org/10.3791/54249 2024-04-20 13:29:50 +0900 Paper 2016 3 Yujin Cho, Takashi Sekiguchi, Takashi Kimura, Hideo Iwai Imaging and spectroscopy of secondary electrons from AlN and β-SiAlON ceramics using fountain detector Superlattices and Microstructures 99 41 44 https://doi.org/10.1016/j.spmi.2016.03.019 2024-04-20 13:29:50 +0900 Paper 2016 4 Haipeng Ji, Le Wang, Yujin Cho, Naoto Hirosaki, Maxim S. Molokeev, Zhiguo Xia, Zhaohui Huang, Rong-Jun Xie New Y2BaAl4SiO12:Ce3+ yellow microcrystal-glass powder phosphor with high thermal emission stability Journal of Materials Chemistry C 4 41 9872 9878 https://doi.org/10.1039/c6tc03422e 2024-04-20 13:29:50 +0900 Paper 2016 5 Shuxing Li, Qiangqiang Zhu, Le Wang, Daiming Tang, Yujin Cho, Xuejian Liu, Naoto Hirosaki, Toshiyuki Nishimura, Takashi Sekiguchi, Zhengren Huang, Rong-Jun Xie CaAlSiN3:Eu2+ translucent ceramic: a promising robust and efficient red color converter for solid state laser displays and lighting Journal of Materials Chemistry C 4 35 8197 8205 https://doi.org/10.1039/c6tc02518h 2024-04-20 13:29:50 +0900 Paper 2016 6 Stelian ARJOCA, Encarnación G. VÍLLORA, Daisuke INOMATA, Yusuke ARAI, Yujin CHO, Takashi SEKIGUCHI, Kiyoshi SHIMAMURA High homogeneity, thermal stability and external quantum efficiency of Ce:YAG single-crystal powder phosphors for white LEDs Journal of the Ceramic Society of Japan 124 5 574 578 https://doi.org/10.2109/jcersj2.15303 2024-04-20 13:29:50 +0900 Paper 2016 7 Chenning Zhang, Tetsuo Uchikoshi, Rong-Jun Xie, Lihong Liu, Yujin Cho, Yoshio Sakka, Naoto Hirosaki, Takashi Sekiguchi Prevention of thermal- and moisture-induced degradation of the photoluminescence properties of the Sr2Si5N8:Eu2+ red phosphor by thermal post-treatment in N2–H2 Physical Chemistry Chemical Physics 18 18 12494 12504 https://doi.org/10.1039/c6cp01102k 2024-04-20 13:29:50 +0900 Paper 2016 8 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 110 109 112 https://doi.org/10.1016/j.scriptamat.2015.08.013 2024-04-20 13:29:50 +0900 Paper 2015 1 Chenning Zhang, Tetsuo Uchikoshi, Rong-Jun Xie, Lihong Liu, Yujin Cho, Yoshio Sakka, Naoto Hirosaki, Takashi Sekiguchi Reduced thermal degradation of the red-emitting Sr2Si5N8:Eu2+ phosphor via thermal treatment in nitrogen Journal of Materials Chemistry C 3 29 7642 7651 https://doi.org/10.1039/c5tc01575h 2024-04-20 13:29:50 +0900 Paper 2015 2 Lihong Liu, Le Wang, Chenning Zhang, Yujin Cho, Benjamin Dierre, Naoto Hirosaki, Takashi Sekiguchi, Rong-Jun Xie Strong Energy-Transfer-Induced Enhancement of Luminescence Efficiency of Eu2+- and Mn2+-Codoped Gamma-AlON for Near-UV-LED- Pumped Solid State Lighting Inorganic Chemistry 54 11 5556 5565 https://doi.org/10.1021/acs.inorgchem.5b00683 2024-04-20 13:29:50 +0900 Paper 2015 3 Kohsei Takahashi, Benjamin Dierre, Yujin Cho, Takashi Sekiguchi, Rong-Jun Xie, Naoto Hirosaki, H. T. J. M. Hintzen Ca同時ドープLaAl(Si6-zAlz)(N10-zOz)(z~1):Ce3+ 青色蛍光体の顕微解析 Journal of the American Ceramic Society 98 4 1253 1258 https://doi.org/10.1111/jace.13470 2024-04-20 13:29:50 +0900 Paper 2015 4 Jie Zhu, Le Wang, Tianliang Zhou, Yujin Cho, Takayuki Suehiro, Takashi Takeda, Ming Lu, Takashi Sekiguchi, Naoto Hirosaki, Rong-Jun Xie Moisture-induced degradation and its mechanism of (Sr,Ca)AlSiN3:Eu2+, a red-color-converter for solid state lighting Journal of Materials Chemistry C 3 13 3181 3188 https://doi.org/10.1039/c4tc02824d 2024-04-20 13:29:50 +0900 Paper 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 115503 https://doi.org/10.7567/apex.7.115503 2024-04-20 13:29:50 +0900