5 records found.
Nonnegative matrix factorization incorporating domain specific constraints for four dimensional scanning transmission electron microscopy
- Article
- Creator
-
Koji Kimoto
;
Fumihiko Uesugi
;
Koji Harano
;
Jun Kikkawa
;
Ovidiu Cretu
;
Yuki Shibazaki
;
Motoki Shiga
;
Atsushi Togo
- Keyword
- 4D-STEM, unsupervised machine learning, nonnegative matrix factorization, scanning transmission electron microscopy, metallic glass, amorphous, ZrCuAl
- Date published
- 2025-11-07
- Updated at
- 2025-12-01 12:30:04 +0900
Unveiling Twist Domains in Monolayer MoS2 through 4D‐STEM and Unsupervised Machine Learning
- Article
- Creator
-
Koji Kimoto
;
Ovidiu Cretu
;
Koji Harano
;
Fumihiko Uesugi
;
Jun Kikkawa
;
Kohei Aso
;
Yoshifumi Oshima
;
Takashi Matsumoto
;
Yoshiki Sakuma
- Keyword
- 4D-STEM, dichalcogenide, metal–organic chemical vapor deposition, MoS2,, scanning transmission electron microscopy, unsupervised machine learning
- Date published
- 2025-08-06
- Updated at
- 2025-08-27 12:30:17 +0900
Structure-dynamics relation in metallic glass revealed by 5-dimensional scanning transmission electron microscopy
- Article
- Creator
-
Katsuaki Nakazawa
;
Kazutaka Mitsuishi
;
Konstantin Iakoubovskii
;
Shinji Kohara
;
Koichi Tsuchiya
- Keyword
- 5D-STEM, 4D-STEM, diffraction, glass
- Date published
- 2024-11-15
- Updated at
- 2024-11-20 18:40:10 +0900
Local defect and mid-gap state analysis of GaN using monochromated EELS combined with nanodiffraction and atomic-resolution imaging
- Article
- Creator
-
Shunsuke Yamashita
;
Sei Fukushima
;
Jun Kikkawa
;
Ryoji Arai
;
Yuya Kanitani
;
Koji Kimoto
;
Yoshihiro Kudo
- Keyword
- defect, GaN, EELS, 4D-STEM, HAADF-STEM, ABF-STEM, HAXPES
- Date published
- 2024-03-01
- Updated at
- 2024-03-19 16:56:29 +0900
Unsupervised machine learning combined with 4D scanning transmission electron microscopy for bimodal nanostructural analysis
- Article
- Creator
-
Koji Kimoto
;
Jun Kikkawa
;
Koji Harano
;
Ovidiu Cretu
;
Yuki Shibazaki
;
Fumihiko Uesugi
- Keyword
- Scanning Transmission Electron Microscopy, Unsupervised Machine Learning, 4D-STEM, Non-negative Matrix Factorization, Hierachical Clustering, Metallic Glass
- Date published
- 2024-02-05
- Updated at
- 2024-02-15 16:30:11 +0900