18 records found. Displaying records 11 to 18.
Unified understanding and mitigation of detrimental phase transition in cobalt-free LiNiO2
- Journal article
- Creator
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;Itsuki Konuma (author) (Search by this author);Naohiro Ikeda (author) (Search by this author);Benoît D.L. Campéon (author) (Search by this author);Hinata Fujimura (author) (Search by this author)Jun Kikkawa (author) (Search by this author)National Institute for Materials Science
;
;Huu Duc Luong (author) (Search by this author)National Institute for Materials ScienceYoshitaka Tateyama (author) (Search by this author)National Institute for Materials Science
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;Yosuke Ugata (author) (Search by this author);Masao Yonemura (author) (Search by this author);Toru Ishigaki (author) (Search by this author);Taira Aida (author) (Search by this author)Naoaki Yabuuchi (author) (Search by this author) - Keyword
- Lithium nickelate, Phase transition, Nickel migration, Structural disordering
- Date published
- 2024-01-18
- Updated at
- 2024-08-20 12:30:31 +0900
単色化電子顕微鏡を用いたフォノン計測
- Journal article
- Creator
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吉川 純 (author) (Search by this author)マテリアル基盤研究センター/先端解析分野/電子顕微鏡グループ, 物質・材料研究機構
- Keyword
- フォノン, 電子顕微鏡, 電子エネルギー損失分光, 温度計測
- Date published
- [2024年7月]
- Updated at
- 2024-08-07 08:30:11 +0900
Role of defects in the photoluminescence and photoresponse of WS2–graphene heterodevices
- Journal article
- Creator
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;Min-Wen Yu (author) (Search by this author);Yu-Tang Lin (author) (Search by this author);Chia-Hung Wu (author) (Search by this author);Tung-Jung Wang (author) (Search by this author);Jhuang-Hao Cyue (author) (Search by this author)Jun Kikkawa (author) (Search by this author)National Institute for Materials Science
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Satoshi Ishii (author) (Search by this author)National Institute for Materials Science
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;Tien-Chang Lu (author) (Search by this author)Kuo-Ping Chen (author) (Search by this author)
- Keyword
- heterodevice, graphene, photoluminescence, WS2
- Date published
- 2023-09-22
- Updated at
- 2025-09-22 08:30:17 +0900
Local defect and mid-gap state analysis of GaN using monochromated EELS combined with nanodiffraction and atomic-resolution imaging
- Journal article
- Creator
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Shunsuke Yamashita (author) (Search by this author)
https://orcid.org/0000-0003-1702-1708
(unauthenticated)
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;Sei Fukushima (author) (Search by this author)Jun Kikkawa (author) (Search by this author)Center for Basic Research on Materials, National Institute for Materials Science (NIMS)
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;Ryoji Arai (author) (Search by this author)Yuya Kanitani (author) (Search by this author)
https://orcid.org/0009-0002-2154-5571
(unauthenticated)
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Koji Kimoto (author) (Search by this author)Center for Basic Research on Materials, National Institute for Materials Science (NIMS)
;
Yoshihiro Kudo (author) (Search by this author) - 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
- 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)
;
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
Fast electron damage mechanism of epoxy resin studied by electron energy loss spectroscopy and electron diffraction
- Journal article
- Creator
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Jun Kikkawa (author) (Search by this author)National Institute for Materials Science
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;Aoi Nii (author) (Search by this author);Yoshiaki Sakaniwa (author) (Search by this author);Naochika Kon (author) (Search by this author);Marina Sakamaki (author) (Search by this author);Touyou Ohashi (author) (Search by this author);Nobuyasu Nita (author) (Search by this author)Koji Harano (author) (Search by this author)National Institute for Materials Science
;
Koji Kimoto (author) (Search by this author)National Institute for Materials Science
- Keyword
- epoxy resin, electron energy loss spectroscopy, fast electron damage, π electron
- Date published
- 2023-11-07
- Updated at
- 2024-01-05 22:12:30 +0900
Saturated Linkers in Two-Dimensional Covalent Organic Frameworks Boost Their Luminescence
- Journal article
- Creator
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;Meijia Yang (author) (Search by this author);Hiroki Hanayama (author) (Search by this author);Long Fang (author) (Search by this author);Matthew A. Addicoat (author) (Search by this author);Yunyu Guo (author) (Search by this author);Robert Graf (author) (Search by this author)Koji Harano (author) (Search by this author)National Institute for Materials Science
;
Jun Kikkawa (author) (Search by this author)National Institute for Materials Science
;
;Enquan Jin (author) (Search by this author);Akimitsu Narita (author) (Search by this author)Klaus Müllen (author) (Search by this author)
- Keyword
- Date published
- 2023-07-05
- Updated at
- 2024-06-20 08:30:37 +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
;
Shogo Koshiya (author) (Search by this author)
https://orcid.org/0000-0002-8205-3389
(unauthenticated)
National Institute for Materials Science
;
Jun Kikkawa (author) (Search by this author)National Institute for Materials Science
;
Takuro Nagai (author) (Search by this author)National Institute for Materials Science
;
Kazutaka Mitsuishi (author) (Search by this author)National Institute for Materials Science
;
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