[9p-E218-1~16] 13.8 Optical properties and light-emitting devices | The 87th JSAP Autumn Meeting 2026

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

[9p-E218-1~16]13.8 Optical properties and light-emitting devices

Wed. Sep 9, 2026 1:30 PM - 5:45 PM JST
Wed. Sep 9, 2026 4:30 AM - 8:45 AM UTC

E218 (First Year Education Bld. E Block)

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[9p-E218-1]Relationship between Inter-[HfI₆]^2- Distance and optical properties in (Na,Li)₂HfI₆ Phosphor

〇(DC)Chihaya Fujiwara^1,2, Akihiro Yamaji², Shunsuke Kurosawa² (1.Graduate School of Eng., Tohoku Univ., 2.Graduate School of Eng., Nagoya Univ.)

1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-E218-2]Optimization of optical cooling devices in CsPbBr₃/Cs₄PbBr₆ crystals considering the diffusion of carrier through self-absorption effect

〇Daichi Tanaka¹, Shuhei Ichikawa^1,2, Yasuhiro Yamada³, Kazunobu Kojima¹ (1.The Univ. of Osaka, 2.Research Center for UHVEM, the Univ. of Osaka, 3.Chiba Univ.)

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-E218-3]Fast Cathodoluminescence of CsPbBr₃/Cs₄PbBr₆ under Direct and Indirect Electron-Beam Irradiation

〇Tetsuya Kubota¹, Sotatsu Yanagimoto¹, Ayumi Ishii², Keiichirou Akiba^1,3, Takumi Sannomiya¹ (1.Sci. Tokyo, 2.Waseda Univ., 3.QST)

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[9p-E218-4]Investigation of Photochromism and Photoluminescence Properties in Blue-Emitting CsPbCl₃ Nanocrystals via Photodegradation and Self-Recovery

〇Hikaru Tamaoki¹, Isobe Tetsuhiko¹, Iso Yoshiki¹ (1.Keio Univ.)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[9p-E218-5]Control of Fluorescence Wavelength of Core/Shell CuInS₂/ZnS Quantum Dots and Their Application to Luminescent Solar Concentrators

〇Akari Fukushiro¹, Tetsuhiko Isobe¹, Yoshiki Iso¹ (1.Keio Univ.)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[9p-E218-6]Liquid Phase Synthesis of Core/Shell InP/ZnS Quantum Dot Phosphors via Hot Injection Method −Exploring the Roles of Halogens−

〇Seijun Kikuchi¹, Yoshiki Iso¹, Tetsuhiko Isobe¹ (1.Keio Univ.)

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[9p-E218-7]Photon statistics in cathodoluminescence of semiconductors

〇Hinata Hashimoto¹, Testuya Kubota¹, Sotatsu Yanagimoto¹, Takumi Sannomiya¹ (1.Science Tokyo)

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[9p-E218-8]Investigation of Defect Levels Induced by a Molecular Ion Implantation in Si substrate by a Photoluminescence Method

〇Naoki Fujita¹, Shun Sasaki², Takeshi Kadono², Kazunari Kurita^2,3, Atsuhiko Fukuyama¹ (1.Univ. of Miyazaki, 2.SUMCO Corporation, 3.Kyushu Univ.)

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[9p-E218-9]Dissociation Processes analysis of Iron Defects in Silicon Investigated by Laser Heterodyne Photothermal Displacement and Photoluminescence Method

〇Shusuke Matsukawa¹, Shun Sasaki², Takeshi Kadono², Kazunari Kurita^2,3, Atsuhiko Fukuyama¹ (1.Univ. of Miyazaki, 2.SUMCO Corporation, 3.Kyushu Univ.)

4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[9p-E218-10][The 60th Young Scientist Presentation Award Speech] Operating temperature characteristics of an 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.)

4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[9p-E218-11]Room-temperature circularly polarized electroluminescence properties of
spin-polarized light-emitting diodes with varying MgO tunnel barrier thicknesses

〇Shinnosuke Wada¹, Itsu Tanaka¹, Daiki Mineyama¹, Ayano Morita¹, Hiroto Kise¹, Junichi Takayama¹, Akihiro Murayama¹, Satoshi Hiura¹ (1.IST,Hokkaido Univ.)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-E218-12]Effects of spin transport layers on the circularly polarized electroluminescence properties of spin-polarized light-emitting diodes

〇Itsu Tanaka¹, Daiki Mineyama¹, Hiroto Kise¹, Ayano Morita¹, Junichi Takayama¹, Akihiro Murayama¹, Satoshi Hiura¹ (1.IST, Hokkaido Univ.)

4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[9p-E218-13]Wavefunction analysis of closely stacked quantum dots under a potential gradient

〇Yuto Yamaoka¹, Noriyuki Taoka¹, Wakana Takeuchi¹, Takeyoshi Sugaya², Keshiro Goshima¹ (1.AIT, 2.AIST)

5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-E218-14]Tunable modulation of red luminescent properties of Eu-doped GaN
under externally induced uniaxial strains

〇Yuya Hinokuchi¹, Hodaka Kubo¹, Keito Mori-Tamamura¹, Yasufumi Fujiwara², Kazunobu Kojima¹, Shuhei Ichikawa^1,3 (1.Grad. Sch. Eng., The Univ. of Osaka, 2.ROST, Ritsumeikan Univ., 3.Research Center for UHVEM, The Univ. of Osaka)

5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)English Presentation

[9p-E218-15]Revisiting a 3D Hole and 3D Electron Carrier Injection to the Quantium Well of 228 nm far-UVC LEDs: A Theoretical Study

〇Muhammad Ajmal Khan^1,2, Khalid Ayub¹, Hafeez Ur Rahman¹, Muhammad Nawaz Sharif³, Banaras Khan², M. Fang Wang¹, Yuhuai Liu¹ (1.School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou, Henan 450001, China, 2.Qurtuba University of Science and Information Technology, Peshawar 25100, Pakistan, 3.Riken, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan)

5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)English Presentation

[9p-E218-16]Monolithically Integrated Multi-Wavelength InGaN/GaN Photonic Crystal Nanorod Lasers for Optical Encoding Applications

〇(PC)SungUn Kim¹, Yong-Ho Ra¹ (1.Jeonbuk Nat. Univ.)

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