The 73rd JSAP Spring Meeting 2026
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Session Details

Oral presentation13 Semiconductors : 13.8 Optical properties and light-emitting devices

[18a-WL2_101-1~11]13.8 Optical properties and light-emitting devices

Wed. Mar 18, 2026 9:00 AM - 12:00 PM JST
Wed. Mar 18, 2026 12:00 AM - 3:00 AM UTC
WL2_101 (West Lecture Bldg. 2)
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[18a-WL2_101-1][The 59th Young Scientist Presentation Award Speech] Luminescence Properties of Novel Zero-Dimensional
Li2HfX6 Halide Scintillators for Neutron Detection

〇Chihaya Fujiwara1,2, Shunsuke Kurosawa3,4, Akihiro Yamaji5, Akira Yoshikawa2,4,6 (1.Graduate School of Eng., Tohoku Univ., 2.IMR, Tohoku Univ., 3.School of Engineering, The University of Tokyo, 4.ILE Osaka Univ., 5.RCNS, Tohoku Univ., 6.NICHe, Tohoku Univ.)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-WL2_101-2]Photoinduced halogen exchange for emission wavelength control in CsPbBr3 quantum dots

〇Hirohisa Miyata1, Takayuki Nakanishi2, Jumpei Ueda1 (1.JAIST, 2.NIMS)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)English Presentation

[18a-WL2_101-3]Hybrid BN–Perovskite Nanocomposites as a Durable Platform for Next-Generation Light Emission

〇Sai Santosh Kumar Raavi1,2, Rahul Murali1, Hikaru Saito2, Chihaya Adachi2 (1.IIT Hyderabad, 2.Kyushu Univ,)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[18a-WL2_101-4]Improvement of Si quantum dot electrochemiluminescence device via redox mediator organic molecules

〇Kosuke Yamazaki1, Rikuto Tanaka1, Nobuyoshi Koshida2, Takashi Kasahara1, Toshihiro Nakamura1 (1.Hosei Univ., 2.Tokyo Univ. of A&T)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-WL2_101-5]Electric-field-driven circular polarity modulator using dilute nitride semiconductors

〇Hiroto Kise1, Keisuke Minehisa2, Junichi Takayama1, Akihiro Murayama1, Fumitaro Ishikawa2, Satoshi Hiura1 (1.IST, Hokkaido Univ., 2.RCIQE, Hokkaido Univ.)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-WL2_101-6]Simultaneous evaluation of strain and luminescence properties in Eu-doped GaN

〇(B)Yuya Hinokuchi1, Hodaka Kubo2, Keito Mori-Tamamura2, Yasufumi Fujiwara3, Kazunobu Kojima2, Shuhei Ichikawa2,4 (1.The Univ. of Osaka, 2.Grad. Sch. Eng., The Univ. of Osaka, 3.ROST, Ritsumeikan Univ., 4.Research Center for UHVEM, The Univ. of Osaka)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-WL2_101-7]Geometrical design consideration for Eu-doped GaN micro-LEDs

〇Hodaka Kubo1, Yuya Hinokuchi2, Keito Mori-Tamamura1, Yasufumi Fujiwara3, Kazunobu Kojima1, Shuhei Ichikawa1,4 (1.Grad. Sch. Eng., The Univ. of Osaka, 2.The Univ. of Osaka, 3.ROST, Ritsumeikan Univ., 4.Research Center for UHVEM, The Univ. of Osaka)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[18a-WL2_101-8]Effects of Eu3+ Co-Doping on the Photoluminescence Properties of Eu2+-Activated Ca2Y8Si6O26 Phosphors

〇Yasushi Sato1, Atsushi Yamanaka1, Makoto Kobayashi2, Koji Tomita3, Masato Kakihana4 (1.Okayama Univ. Sci., 2.Nagoya Univ., 3.Tokai Univ., 4.Osaka Univ.)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[18a-WL2_101-9]Synthesis of Silicate Phosphors by a Novel CVD Technique

〇Kenji Toda1, Wataru Hikita1 (1.Niigata Univ.)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[18a-WL2_101-10]Characteristics of red long afterglow and photo-stimulated luminescence of Ca2Si5N8:Eu2+,Tm3+

〇Yoriko Suda1,2, Tsuyoshi Okuno2, Hayato Miyagawa3, Yoshiaki Kamigaki4 (1.Tokyo Univ. of Tech., 2.The Univ. of Electro-Communications, 3.Kagawa Univ., 4.EBL)
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[18a-WL2_101-11]Effect of co-doped Ga ions in orange-red emitting YAG:Ce phosphor

〇Hitomi Nakamura1, Zheng Liu1, Yoshiyuki Miyamoto1, Yung-Chang Lin1, Tomoko Akai1 (1.AIST)
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