JOPSS - Search Results

NaNbO, AgNbO, and KNbO with ABO-type perovskite system is known to possess good ferroelectric properties. We directly determined the rattling space of each atom through local structure analysis. This analysis revealed the bonding sites with large fluctuations varied with varying ion size. Experimental evidence including soft X-ray absorption spectroscopy, indicates that the A-site ions are hybridized with oxygen.

Journal Articles

Continuous structural phase transition and antiferromagnetic order in ilmenite-type NiVO $_{3}$

Yamamoto, Hajime*; Ikeda, Osamu*; Honda, Takashi*; Kimura, Kenta*; Aoyama, Takuya*; Ogushi, Kenya*; Suzuki, Akio*; Ishii, Kenji*; Matsumura, Daiju; Tsuji, Takuya; et al.

Physical Review Materials (Internet), 8(9), p.094402_1 - 094402_6, 2024/09

https://doi.org/10.1103/PhysRevMaterials.8.094402

Times Cited Count：3 Percentile：38.06(Materials Science, Multidisciplinary)

Journal Articles

Phase-separation transformation behaviors in NiO bearing Na $_{2}$ O-B $_{2}$ O $_{3}$ -SiO $_{2}$ glass and melt through high-temperature Ni K-edge XAFS and time-resolved SAXS measurements

Tomita, Kana*; Kishi, Tetsuo*; Osaka, Keiichi*; Matsumura, Daiju; Yano, Tetsuji*

Journal of Non-Crystalline Solids, 634, p.122975_1 - 122975_19, 2024/06

https://doi.org/10.1016/j.jnoncrysol.2024.122975

Times Cited Count：0 Percentile：13.03(Materials Science, Ceramics)

Journal Articles

Computational discovery of optimal dopants for nickel iron oxyhydroxide to enhance OER activity and saline water compatibility

Jung, H.*; Matsumura, Daiju; 12 of others*

ACS Energy Letters (Internet), 9(5), p.2162 - 2172, 2024/04

https://doi.org/10.1021/acsenergylett.4c00442

Times Cited Count：13 Percentile：88.47(Chemistry, Physical)

Journal Articles

Understanding the charge transfer effects of single atoms for boosting the performance of Na-S batteries

Lei, Y.-J.*; Matsumura, Daiju; 15 of others*

Nature Communications (Internet), 15, p.3325_1 - 3325_12, 2024/04

https://doi.org/10.1038/s41467-024-47628-3

Times Cited Count：53 Percentile：98.98(Multidisciplinary Sciences)

Journal Articles

Effects of Fe ions, ultraviolet irradiation, and heating on microscopic structures of black lacquer films

Nankawa, Takuya; Sekine, Yurina; Matsumura, Daiju; Hiroi, Kosuke; Takata, Shinichi; Kamiya, Yoshimi*; Honda, Takayuki*

Langmuir, 40(11), p.5725 - 5730, 2024/03

https://doi.org/10.1021/acs.langmuir.3c03412

Times Cited Count：0 Percentile：13.62(Chemistry, Multidisciplinary)

The chemical reaction between Fe and lacquer has been used to create the black color lacquer since ancient times. Here, the chemical state of Fe ions in black lacquer was investigated by using X-ray absorption near edge structure (XANES), extended X-ray absorption fine structure (EXAFS), and Fourier transform-infrared (FT-IR) spectroscopy. Fe(II) or Fe(III) was added to the lacquer paste to prepare black lacquer films by air drying, heating, or UV irradiation. The XANES spectral features of all the film samples were similar, meaning that the Fe ions in the samples existed in the trivalent state regardless of the oxidation state of the initially added Fe. The corresponding Fourier transforms of the EXAFS spectra around the Fe K-edge were used to investigate Fe sites in the lacquer films. The spectra of all the film samples were similar shapes, but the peak intensities decreased in the order air dried heated UV irradiated films. This result indicates that heating and UV irradiation made the coordination structure of Fe in the lacquer non-uniform, and that heating caused the greatest non-uniformity. The complementary use of XANES, XAFS, and FT-IR spectroscopy is highly effective for non-destructive analysis of black lacquer in precious cultural artifacts.

Journal Articles

Local structural changes in V-Ti-Cr alloy hydrides with hydrogen absorption/desorption cycling

Ikeda, Kazutaka*; Sashida, Sho*; Otomo, Toshiya*; Oshita, Hidetoshi*; Honda, Takashi*; Hawai, Takafumi*; Saito, Hiraku*; Ito, Shinichi*; Yokoo, Tetsuya*; Sakaki, Koji*; et al.

International Journal of Hydrogen Energy, 51(Part A), p.79 - 87, 2024/01

https://doi.org/10.1016/j.ijhydene.2023.10.318

Times Cited Count：6 Percentile：34.55(Chemistry, Physical)

Journal Articles

ARIM-mdx data system; Towards a nationwide data platform for materials science

Hanai, Masatoshi*; Matsumura, Daiju; Fujikawa, Seiji; Okane, Tetsuo; 15 of others*

Proceedings of 2024 IEEE International Conference on Big Data (BigData) (Internet), p.2326 - 2333, 2024/00

https://doi.org/10.1109/BigData62323.2024.10825674

Journal Articles

Ga K-edge XANES study of Ga-exchanged zeolites at high temperatures under different atmospheres including vacuum, CO, and pressurized H $_{2}$

Huang, M.*; Kinjo, Tetsuya*; Yasumura, Shunsaku*; Toyao, Takashi*; Matsumura, Daiju; Saito, Hiroyuki*; Shimizu, Kenichi*; Namiki, Norikazu*; Maeno, Zen*

Catalysis Science & Technology, 13(23), p.6832 - 6838, 2023/12

https://doi.org/10.1039/D3CY01250F

Times Cited Count：0 Percentile：0.00(Chemistry, Physical)

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Absence of long-range V-V dimer and magnetic orderings in high-entropy (Mg $_{0.2}$ Mn $_{0.2}$ Co $_{0.2}$ Ni $_{0.2}$ Cu $_{0.2}$ )VO

Cu/ZnO catalysts integrated with Al $_{2}$ O $_{3}$ and/or SiO $_{2}$ for methanol synthesis; Deciphering the additive-induced boost in catalytic performance by XAFS

A Proposal of hydrogen safety technology for decommissioning of the Fukushima Daiichi Nuclear Power Station

Experimental verification to developing safety technology for liquefied hydrogen in the project "STACY"

Fundamental science on oxygen storage capacity of cerium complex oxides for advanced on-board diagnostics, 1; Kinetic observation of cerium valence change using synchrotron radiation

Fundamental science on oxygen storage capacity of cerium complex oxides for advanced on-board diagnostics, 2; Quantitative observation of oxygen released from cerium complex oxides

Valence separation of Fe and removal of Sn $^{2+}$ by solvent extraction as a potential method to determine Fe $^{2+}$ in glass containing Sn $^{2+}$

Stabilizing the unstable; Enhancing OER durability with 3-orbital transition metal multielemental alloy nanoparticles by atomically dispersed 4-orbital Pd for a 100-fold extended lifetime

Dissolution of zirconium-cerium oxide solid solution in an aqueous system

Analysis on sorption structure of cesium in clay minerals under dry/wet condition

Nearly linear orbital molecules on a pyrochlore lattice

Local and electronic structures of NaNbO, AgNbO, and KNbO

Continuous structural phase transition and antiferromagnetic order in ilmenite-type NiVO $_{3}$

Phase-separation transformation behaviors in NiO bearing Na $_{2}$ O-B $_{2}$ O $_{3}$ -SiO $_{2}$ glass and melt through high-temperature Ni K-edge XAFS and time-resolved SAXS measurements

Computational discovery of optimal dopants for nickel iron oxyhydroxide to enhance OER activity and saline water compatibility

Understanding the charge transfer effects of single atoms for boosting the performance of Na-S batteries

Effects of Fe ions, ultraviolet irradiation, and heating on microscopic structures of black lacquer films

Local structural changes in V-Ti-Cr alloy hydrides with hydrogen absorption/desorption cycling

ARIM-mdx data system; Towards a nationwide data platform for materials science

Ga K-edge XANES study of Ga-exchanged zeolites at high temperatures under different atmospheres including vacuum, CO, and pressurized H $_{2}$