10 records found.
Nonnegative matrix factorization incorporating domain specific constraints for four dimensional scanning transmission electron microscopy
- Journal article
- Creator
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Koji Kimoto (author) (Search by this author)
;
Fumihiko Uesugi (author) (Search by this author)
;
Koji Harano (author) (Search by this author)
;
Jun Kikkawa (author) (Search by this author)
;
Ovidiu Cretu (author) (Search by this author)
;
Yuki Shibazaki (author) (Search by this author)
https://orcid.org/0000-0002-0550-6719
(unauthenticated)
;
Motoki Shiga (author) (Search by this author)
;
Atsushi Togo (author) (Search by this author)
- 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
- Journal article
- Creator
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Koji Kimoto (author) (Search by this author)
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Ovidiu Cretu (author) (Search by this author)
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Koji Harano (author) (Search by this author)
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Fumihiko Uesugi (author) (Search by this author)
;
Jun Kikkawa (author) (Search by this author)
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Kohei Aso (author) (Search by this author)
https://orcid.org/0000-0001-6935-7655
(unauthenticated)
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Yoshifumi Oshima (author) (Search by this author)
https://orcid.org/0000-0003-1898-0142
(unauthenticated)
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Takashi Matsumoto (author) (Search by this author)
https://orcid.org/0009-0007-7418-6724
(unauthenticated)
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Yoshiki Sakuma (author) (Search by this author)
- 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
Giant piezoresponse in nanoporous (Ba,Ca)(Ti,Zr)O3 thin film
- Journal article
- Creator
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;Motasim Billah (author) (Search by this author);Yukana Terasawa (author) (Search by this author);Mostafa Kamal Masud (author) (Search by this author);Toru Asahi (author) (Search by this author);Mohamed Barakat Zakaria Hegazy (author) (Search by this author)Takahiro Nagata (author) (Search by this author)National Institute for Materials Science
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Toyohiro Chikyow (author) (Search by this author)National Institute for Materials Science
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Fumihiko Uesugi (author) (Search by this author)National Institute for Materials Science
;
;Md. Shahriar A. Hossain (author) (Search by this author)Yusuke Yamauchi (author) (Search by this author)
- Keyword
- nanoporous, piezoresponse, ferroelectric, strained lattice structure, piezoelectric
- Date published
- 2024-05-20
- Updated at
- 2024-10-10 16:30:49 +0900
Toward the Atomic-Level Analysis of Ground-State Electronic Structures of Solid Materials via Prediction from Core-Loss Spectra: A Computational Study in Si
- Journal article
- Creator
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;Izumi Takahara (author) (Search by this author)Fumihiko Uesugi (author) (Search by this author)National Institute for Materials Science
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Koji Kimoto (author) (Search by this author)National Institute for Materials Science
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;Kiyou Shibata (author) (Search by this author)Teruyasu Mizoguchi (author) (Search by this author)
- Keyword
- Machine learning, ELNES, XANES, PDOS
- Date published
- 2024-08-15
- Updated at
- 2024-10-02 12:30:19 +0900
Classification for transmission electron microscope images from different amorphous states using persistent homology
- Journal article
- Creator
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Fumihiko Uesugi (author) (Search by this author)National Institute for Materials Science
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Masashi Ishii (author) (Search by this author)National Institute for Materials Science
- Keyword
- TEM image simulation, GaN, persistent homology, Amorphous structure
- Date published
- 2022-06-06
- Updated at
- 2024-07-04 16:32:11 +0900
Novel image processing method inspired by wavelet transform
- Journal article
- Creator
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Fumihiko Uesugi (author) (Search by this author)National Institute for Materials Science
- Keyword
- Fourier transform, Image processing, Wavelet transform
- Date published
- 2023-03-11
- Updated at
- 2025-03-11 12:30:14 +0900
Prediction of nanocomposite properties and process optimization using persistent homology and machine learning
- Journal article
- Creator
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Fumihiko Uesugi (author) (Search by this author)National Institute for Materials Science
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;Yu Wen (author) (Search by this author)Ayako Hashimoto (author) (Search by this author)National Institute for Materials Science
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Masashi Ishii (author) (Search by this author)National Institute for Materials Science
- Keyword
- Persistent homology, Ridge regression, Electron tomography, Oxygen permeability, Activation energy, Annealing temperature
- Date published
- 2024-05-28
- Updated at
- 2024-07-02 08:38:11 +0900
Strain visualization using large-angle convergent-beam electron diffraction
- Journal article
- Creator
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Fumihiko Uesugi (author) (Search by this author)National Institute for Materials Science
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;Chiaki Tanii (author) (Search by this author);Naoyuki Sugiyama (author) (Search by this author)Masaki Takeguchi (author) (Search by this author)National Institute for Materials Science
- Keyword
- LACBED, NBD, Strain analysis
- Date published
- 2024-04-10
- Updated at
- 2024-07-01 14:11:45 +0900
Unsupervised machine learning combined with 4D scanning transmission electron microscopy for bimodal nanostructural analysis
- Journal article
- Creator
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Koji Kimoto (author) (Search by this author)Center for Basic Research On Materials, National Institute for Materials Science (NIMS)
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Jun Kikkawa (author) (Search by this author)Center for Basic Research On Materials, National Institute for Materials Science (NIMS)
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Koji Harano (author) (Search by this author)Center for Basic Research On Materials, National Institute for Materials Science (NIMS)
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Ovidiu Cretu (author) (Search by this author)Center for Basic Research On Materials, National Institute for Materials Science (NIMS)
;
Yuki Shibazaki (author) (Search by this author)
https://orcid.org/0000-0002-0550-6719
(unauthenticated)
;
Fumihiko Uesugi (author) (Search by this author)Research Network and Facility Service Division, National Institute for Materials Science (NIMS)
- 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
Non-negative matrix factorization for mining big data obtained using four-dimensional scanning transmission electron microscopy
- Journal article
- Creator
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Fumihiko Uesugi (author) (Search by this author)National Institute for Materials Science
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Shogo Koshiya (author) (Search by this author)
https://orcid.org/0000-0002-8205-3389
(unauthenticated)
National Institute for Materials Science
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Jun Kikkawa (author) (Search by this author)National Institute for Materials Science
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Takuro Nagai (author) (Search by this author)National Institute for Materials Science
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Kazutaka Mitsuishi (author) (Search by this author)National Institute for Materials Science
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Koji Kimoto (author) (Search by this author)National Institute for Materials Science
- Keyword
- electron microscopy, four-dimensional scanning transmission electron microscopy, non-negative matrix factorization
- Date published
- 2020-11-13
- Updated at
- 2024-01-05 22:11:42 +0900