[10a-N303-1~11] 13.8 Optical properties and light-emitting devices

Fri. Sep 10, 2021 9:00 AM - 11:45 AM N303 (Oral)

Yasushi Nanai(National Defense Academy), Takayuki Nakanishi(NIMS)

△：Presentation by Applicant for JSAP Young Scientists Presentation Award
▲：English Presentation
▼：Both of Above
No Mark：None of Above

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9:00 AM - 9:15 AM

[10a-N303-1] Study on pyrosilicate-type scintillator

〇Shunsuke Kurosawa^1,2, Akihiro Yamaji^1,2, Rikito Murakami^3,2, Yasuhiro Shoji^1,3, Akira Yoshikawa^3,2,1 (1.Tohoku Univ. NICHe, 2.Tohoku Univ. IMR, 3.C&A)

9:15 AM - 9:30 AM

[10a-N303-2] Photoinduced valence change and occupation site of rare-earth ions in long persistent phosphorescence phosphor revealed by XAFS experiment

〇Mamoru Kitaura¹, Shinta Watanabe², Takayuki Nakanishi³, Manabu Ishizaki¹, Toshiaki Ina⁴, Kotaro Higashi⁴, Naomi Kawamura⁴, Hiroyuki Setoyama⁵, Yuta Matsushima¹, Takashi Kunimoto⁶, Akimasa Ohnishi¹ (1.Yamagata Univ., 2.Tokyo Inst. Tech., 3.NIMS, 4.JASRI, 5.SAGA-LS, 6.Tokushima-Bunri Univ.)

9:30 AM - 9:45 AM

▲ [10a-N303-3] Insights into the saturation mechanism of LED phosphors

〇Jian Xu¹, Kohsei Takahashi¹, Takayuki Nakanishi¹, Takashi Takeda¹, Naoto Hirosaki¹ (1.NIMS)

9:45 AM - 10:00 AM

[10a-N303-4] Elucidation of luminescent center position in β-sialon phosphor

〇Takashi Takeda¹, Shiro Funahashi¹, Kosei Takahashi¹, Naoto Hirosaki¹ (1.NIMS)

10:00 AM - 10:15 AM

[10a-N303-5] Crystal Structure and Emission Property of A_mX_m+₁-type New Blue Oxynitride Phosphor

〇Shiro Funahashi¹, Yuichi Michiue¹, Takashi Takeda¹, Naoto Hirosaki¹ (1.NIMS)

10:15 AM - 10:30 AM

[10a-N303-6] Quantitative evaluation of Stokes shift in Eu²⁺-doped phosphors based on density functional theory

〇Kousei Hiura¹, Takashi Takeda², Yukinori Koyama², Hidekazu Ikeno¹ (1.Osaka prefecture Univ., 2.NIMS)

10:30 AM - 10:45 AM

[10a-N303-7] Impact of Rare Earth ion on Nucleation of Glass and Precipitation of Upconversion Nanocrystals in Melt-Quenching Process

〇Kenji Shinozaki^1,2 (1.AIST, 2.JST Presto)

10:45 AM - 11:00 AM

[10a-N303-8] Ultraviolet emission characteristics of RE₂BaZnO₅ (RE = Y, La): Pr³⁺ under visible-light excitation

〇Shodai Okamoto¹, Satoshi Iwasaki¹, Kanaha Tamura¹, Hiroaki Samata¹ (1.Kobe Univ.)

11:00 AM - 11:15 AM

[10a-N303-9] Application of bidirectional wavelength conversion films using SrLaZnO_3.5 as host material to a-Si solar cells

〇Riku Shudo¹, Hiroaki Samata¹ (1.Kobe Univ.)

11:15 AM - 11:30 AM

[10a-N303-10] Luminescence characteristics of Ti⁴⁺ in O-F octahedron in Al phosphate compounds

〇(M2)Hiro Hosoi¹, Samata Hiroaki¹ (1.Kobe Univ.)

11:30 AM - 11:45 AM

[10a-N303-11] Preparation of green emissive thin films using natural lycopene isolated and purified from dried tomatoes

〇Shuichiro Matsukura¹, Ohtani Naoki¹ (1.Doshisha Univ.)

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