MDR: NIMS Materials Data Repository

17 records found.

Excess Ferrous Iron Promotes the Construction of Extracellular.pdf

Excess Ferrous Iron Promotes the Construction of Extracellular Electron Pathways in the Iron-corroding Bacterium <i>Desulfovibrio ferrophilus</i> IS5

Journal article
Creator: Xiao Deng (author) (Search by this author)

https://orcid.org/0000-0002-9006-2322

National Institute for Materials Science

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Jun Kikkawa (author) (Search by this author)

https://orcid.org/0000-0003-0659-1844

National Institute for Materials Science

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Akihiro Okamoto (author) (Search by this author)

https://orcid.org/0000-0002-8102-4316

National Institute for Materials Science

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Keyword: microbially influenced corrosion, sulfate-reducing bacteria, iron sulfide nanoparticles, outer-membrane cytochrome, electrochemical analyses, transmission electron microscopy, transcriptome
Date published: 2026-04-15
Updated at: 2026-04-16 15:19:59 +0900

lewis-acid-base-driven-anisotropic-crystal-growth-of-pyrochlore-pb2ti2o5-4f1-2-with-enhanced-visible-light-h2-evolution.pdf

Lewis Acid–Base-Driven Anisotropic Crystal Growth of Pyrochlore Pb ₂ Ti ₂ O _5.4 F _1.2 with Enhanced Visible-Light H ₂ Evolution Activity

Journal article
Creator: Gentoku Kido (author) (Search by this author)

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Hiroto Ueki (author) (Search by this author)

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Megumi Okazaki (author) (Search by this author)

https://orcid.org/0000-0003-1167-9453 (unauthenticated)

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Jun Kikkawa (author) (Search by this author)

https://orcid.org/0000-0003-0659-1844

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Koji Kimoto (author) (Search by this author)

https://orcid.org/0000-0002-3927-0492

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Ryosuke Nishikubo (author) (Search by this author)

https://orcid.org/0000-0002-0533-9180 (unauthenticated)

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Akinori Saeki (author) (Search by this author)

https://orcid.org/0000-0001-7429-2200 (unauthenticated)

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Kazuhiko Maeda (author) (Search by this author)

https://orcid.org/0000-0001-7245-8318 (unauthenticated)
Keyword: Catalytic activity, Nanoparticles, Organic acids, pH, Photocatalysis
Date published: 2026-02-24
Updated at: 2026-04-13 09:22:40 +0900

Nonnegative matrix factorization incorporating domain specific constraints for four dimensional scanning transmission electron microscopy

Journal article
Creator: Koji Kimoto (author) (Search by this author)

https://orcid.org/0000-0002-3927-0492

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Fumihiko Uesugi (author) (Search by this author)

https://orcid.org/0000-0003-3346-4218

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Koji Harano (author) (Search by this author)

https://orcid.org/0000-0001-6800-8023

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Jun Kikkawa (author) (Search by this author)

https://orcid.org/0000-0003-0659-1844

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Ovidiu Cretu (author) (Search by this author)

https://orcid.org/0000-0002-1822-8172

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Yuki Shibazaki (author) (Search by this author)

https://orcid.org/0000-0002-0550-6719 (unauthenticated)

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Motoki Shiga (author) (Search by this author)

https://orcid.org/0000-0003-2434-4716

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Atsushi Togo (author) (Search by this author)

https://orcid.org/0000-0001-8393-9766

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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

Observation of Boron Vacancy Concentration in Hexagonal Boron Nitride at Nanometer Scale

Journal article
Creator: Jun Kikkawa (author) (Search by this author)

https://orcid.org/0000-0003-0659-1844

Center for Basic Research on Materials/Advanced Materials Characterization Field/Electron Microscopy Group, National Institute for Materials Science

NIMS Researchers Directory SAMURAI

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Chikara Shinei (author) (Search by this author)

https://orcid.org/0000-0003-4926-8641

Research Center for Electronic and Optical Materials/Optical Materials Field/Semiconductor Defect Design Group, National Institute for Materials Science

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Jun Chen (author) (Search by this author)

https://orcid.org/0000-0003-4272-2653

Research Center for Electronic and Optical Materials/Optical Materials Field/Semiconductor Defect Design Group, National Institute for Materials Science

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Yuta Masuyama (author) (Search by this author)

National Institutes for Quantum Science and Technology

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Yuichi Yamazaki (author) (Search by this author)

National Institutes for Quantum Science and Technology

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Teruyasu Mizoguchi (author) (Search by this author)

Univ. Tokyo, Institute for Industrial Science

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Koji Kimoto (author) (Search by this author)

https://orcid.org/0000-0002-3927-0492

Center for Basic Research on Materials, National Institute for Materials Science

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Takashi Taniguchi (author) (Search by this author)

https://orcid.org/0000-0002-1467-3105

Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science

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Tokuyuki Teraji (author) (Search by this author)

https://orcid.org/0000-0002-7731-0547

Research Center for Electronic and Optical Materials/Optical Materials Field/Semiconductor Defect Design Group, National Institute for Materials Science

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Keyword: hexagonal boronnitride, boron vacancy, electron energy loss spectroscopy, scanning transmission electron microscopy, frist-principles simulation
Date published: 2025-09-03
Updated at: 2025-09-08 13:41:17 +0900

Small Methods - 2025 - Kimoto - Unveiling Twist Domains in Monolayer MoS2 through 4D‐STEM and Unsupervised Machine Learning.pdf

Unveiling Twist Domains in Monolayer MoS₂ through 4D‐STEM and Unsupervised Machine Learning

Journal article
Creator: Koji Kimoto (author) (Search by this author)

https://orcid.org/0000-0002-3927-0492

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Ovidiu Cretu (author) (Search by this author)

https://orcid.org/0000-0002-1822-8172

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Koji Harano (author) (Search by this author)

https://orcid.org/0000-0001-6800-8023

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Fumihiko Uesugi (author) (Search by this author)

https://orcid.org/0000-0003-3346-4218

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Jun Kikkawa (author) (Search by this author)

https://orcid.org/0000-0003-0659-1844

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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)

https://orcid.org/0000-0001-6804-7217

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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

Proton Intercalation into an Open‐Tunnel Bronze Phase with Near‐Zero Volume Change

Journal article
Creator: Kosuke Kawai (author) (Search by this author)

https://orcid.org/0000-0003-3840-2198 (unauthenticated)

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Seong‐Hoon Jang (author) (Search by this author)

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Yuta Igarashi (author) (Search by this author)

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Koji Yazawa (author) (Search by this author)

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Kazuma Gotoh (author) (Search by this author)

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Jun Kikkawa (author) (Search by this author)

https://orcid.org/0000-0003-0659-1844

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Atsuo Yamada (author) (Search by this author)

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Yoshitaka Tateyama (author) (Search by this author)

https://orcid.org/0000-0002-5532-6134

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Masashi Okubo (author) (Search by this author)

https://orcid.org/0000-0002-7741-5234 (unauthenticated)
Keyword: aqueous battery, proton, bronze oxides, molecular crowding electrolyte
Date published: 2025-01-15
Updated at: 2025-08-28 08:30:41 +0900

2298 Nagao Chromaticity MS v6-BKB1_TN MDR.pdf

Generated White Light Having Adaptable Chromaticity and Emission, Using Spectrally Reconﬁgurable Microcavities

Journal article
Creator: Barun Kumar Barman (author) (Search by this author)

https://orcid.org/0000-0002-9894-1890

Research Center for Materials Nanoarchitectonics (MANA)/Quantum Materials Field/Photonics Nano Engineering Group, National Institute for Materials Science

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David Hernández-Pinilla (author) (Search by this author)

International Center for Materials Nanoarchitectonics/Nano-System Field/Photonics Nano-Engineering Group, National Institute for Materials Science

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Ovidiu Cretu (author) (Search by this author)

https://orcid.org/0000-0002-1822-8172

Center for Basic Research on Materials/Advanced Materials Characterization Field/Electron Microscopy Group, National Institute for Materials Science

NIMS Researchers Directory SAMURAI

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Jun Kikkawa (author) (Search by this author)

https://orcid.org/0000-0003-0659-1844

Center for Basic Research on Materials/Advanced Materials Characterization Field/Electron Microscopy Group, National Institute for Materials Science

NIMS Researchers Directory SAMURAI

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Koji Kimoto (author) (Search by this author)

https://orcid.org/0000-0002-3927-0492

Center for Basic Research on Materials/Advanced Materials Characterization Field/Electron Microscopy Group, National Institute for Materials Science

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Tadaaki Nagao (author) (Search by this author)

https://orcid.org/0000-0002-6746-2686

Research Center for Materials Nanoarchitectonics (MANA)/Quantum Materials Field/Photonics Nano Engineering Group, National Institute for Materials Science

NIMS Researchers Directory SAMURAI
Keyword: chromaticity converter, carbon dots, rare-earth free, multilayer
Date published: 2024-09-04
Updated at: 2024-10-28 16:30:24 +0900