22 records found.
Unraveling the structural complexity of niobate units in aluminosilicate glasses and glass–ceramics
- Article
- Creator
-
Maria Rita Cicconi
;
Koji Kimura
;
Henrik Bradtmüller
;
Hongyi Deng
;
Shinji Kohara
;
Yohei Onodera
;
Tomokatsu Hayakawa
;
Seiya Shimono
;
Koichi Hayashi
;
Dominique de Ligny
- Keyword
- glass-ceramics, high-energy X-ray diffraction, nuclear magnetic resonance spectroscopy
- Date published
- 2025-04-28
- Updated at
- 2025-06-23 15:06:07 +0900
Formation of triclusters in silica melt under high pressure
- Article
- Creator
-
Shino Hayafune
;
Tatsuya Sakamaki
;
Haruki Ichikawa
;
Yohei Onodera
;
Shinji Kohara
;
Akio Suzuki
- Keyword
- silica, high pressure, melt, structure
- Date published
- 2025-06-01
- Updated at
- 2025-06-03 09:40:31 +0900
Effects of CO<sub>2</sub> on the structure of silicate melts considering the degree of polymerization under pressure
- Article
- Creator
-
Shino HAYAFUNE
;
Tatsuya SAKAMAKI
;
Haruki ICHIKAWA
;
Yohei ONODERA
;
Shinji KOHARA
;
Ken-ichi FUNAKOSHI
;
Akio SUZUKI
- Keyword
- シリカ, 液体, 高圧, MDシミュレーション
- Date published
- 2025-03-17
- Updated at
- 2025-04-30 11:23:41 +0900
Relationship between the boson peak and first sharp diffraction peak in glasses
- Article
- Creator
-
Dan Kyotani
;
Soo Han Oh
;
Suguru Kitani
;
Yasuhiro Fujii
;
Hiroyuki Hijiya
;
Hideyuki Mizuno
;
Shinji Kohara
;
Akitoshi Koreeda
;
Atsunobu Masuno
;
Hitoshi Kawaji
;
Seiji Kojima
;
Yohei Yamamoto
;
Tatsuya Mori
- Keyword
- Glass, Boson Peak, First Sharp Diffraction Peak
- Date published
- Updated at
- 2025-04-02 09:51:07 +0900
Direct observation of the topological pruning in silica glass network; the key for realizing extreme transparency
- Article
- Creator
-
Madoka Ono
;
Yasuhito Tanabe
;
Masaya Fujioka
;
Hiroki Yamada
;
Koji Ohara
;
Shinji Kohara
;
Masanori Fujinami
;
Junji Nishii
- Keyword
- glass, fiber
- Date published
- Updated at
- 2025-02-23 22:51:32 +0900
Intermediate-range order in oxide glasses and liquids
- Presentation
- Creator
-
Shinji KOHARA
- Keyword
- glass, structure
- Date published
- Updated at
- 2025-04-10 21:53:59 +0900
Phonon Mean Free Path of Silicate Glasses: A Useful Parameter to Distinguish between Framework and Nonframework Cations
- Article
- Creator
-
Sohei Sukenaga
;
Bunta Ozato
;
Yohei Onodera
;
Shinji Kohara
;
Masahiro Shimizu
;
Tsuyoshi Nishi
;
Rie Endo
;
Takaaki Tomai
;
Akira Yoko
;
Sakiko Kawanishi
;
Hiroshi Fukaya
;
Hiromichi Ohta
;
Hiroyuki Shibata
- Keyword
- phonon mean free path, silicate glasses and melts , thermal conductivity, sound velocity, framework and non-framework cations
- Date published
- 2024-12-30
- Updated at
- 2025-02-21 15:05:44 +0900
Diffractometer for element-specific analysis on local structures using a combination of X-ray fluorescence holography and anomalous X-ray scattering
- Article
- Creator
-
Hiroo Tajiri
;
Shinji Kohara
;
Koji Kimura
;
Sekhar Halubai
;
Haruto Morimoto
;
Naohisa Happo
;
Jens R. Stellhorn
;
Yohei Onodera
;
Xvsheng Qiao
;
Daisuke Urushihara
;
Peidong Hu
;
Toru Wakihara
;
Toyohiko Kinoshita
;
Koichi Hayashi
- Keyword
- X-ray diffractometers, element-specific measurements, X-ray fluorescence holography, anomalous X-ray scattering
- Date published
- Updated at
- 2024-12-26 16:30:51 +0900
Unravelling the density-driven modification of the topology generated by the interconnection of SiO<sub>4</sub> tetrahedra in silica polymorphs
- Article
- Creator
-
Shinji Kohara
;
Shuya Sato
;
Motoki Shiga
;
Yohei Onodera
;
Hirokazu Masai
;
Toru Wakihara
;
Atsunobu Masuno
;
Akihiko Hirata
;
Naoto Kitamura
;
Yasushi Idemoto
;
Koji Kimura
;
Koichi Hayashi
- Keyword
- glass, structure, topology
- Date published
- 2024-12-01
- Updated at
- 2024-12-04 14:53:24 +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
- Updated at
- 2024-11-20 18:40:10 +0900