[22a-A311-1~9] 9.1 Dielectrics, ferroelectrics

11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[22a-A311-9] Visualization of crystal lattice strain inside a grain in BaTiO₃ ceramics using Bragg coherent X-ray diffraction imaging

〇Norihiro Oshime¹, Kenji Ohwada¹, Akihiko Machida¹, Nagise Fukushima², Kosuke Shirakawa², Shintaro Ueno³, Ichiro Fujii³, Satoshi Wada³, Kento Sugawara¹, Ayumu Shimada¹, Tetsuro Ueno¹, Tetsu Watanuki¹, Kenji Ishii¹, Hidenori Toyokawa^1,4, Koichi Momma⁵, Sangwook Kim², Shinya Tsukada⁶, Yoshihiro Kuroiwa² (1.QST, 2.Hiroshima Univ., 3.Univ. Yamanashi, 4.JASRI, 5.NMNS, 6.Shimane Univ.)

Keywords:

grain boundary effect,coherent x-ray diffraction imaging,ferroelectric ceramics

BraggコヒーレントX線回折イメージング(Bragg-CDI)を用いることで、多結晶試料中に埋もれたBaTiO3ひと粒の外形(粒界)、内部の歪分布を可視化した。