Photoinduced valence change and occupation site of rare-earth ions in long persistent phosphorescence phosphor revealed by XAFS experiment

Mamoru Kitaura; Shinta Watanabe; Takayuki Nakanishi; Manabu Ishizaki; Toshiaki Ina; Kotaro Higashi; Naomi Kawamura; Hiroyuki Setoyama; Yuta Matsushima; Takashi Kunimoto; Akimasa Ohnishi

Presentation information

Oral presentation

13 Semiconductors » 13.8 Optical properties and light-emitting devices

[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)

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.)

Keywords:Long persistent phosphorescence phosphors, XAFS, valence change