Search Results 1-20 of 8131

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Molecular Scale Assessments of Electrochemical Interfaces: In Situ and Ex Situ Approaches

Yokota Yasuyuki , Kim Yousoo

Microscopic studies on electrolyte solution/electrode interfaces provide the most fundamental information not only for understanding the electric double layer formed at the interfaces but als …

Chemistry Letters 50(2), 297-304, 2021

J-STAGE
2

Wettability of Pure Metals with Liquid Sodium and Liquid Tin [in Japanese]

Saito Jun-ichi , Kobayashi Yohei , Shibutani Hideo

… An electronic structure of the interface between liquid metal and substrate metal was calculated by the molecular orbital method. … Simple cluster models of the interface between liquid metal and substrate transition metals were used in this calculation. … It was found that the calculation results well express an electronic state of interface. …

Journal of the Japan Institute of Metals and Materials, 2021

J-STAGE
3

Chemical interaction of 4-META with enamel in resin-enamel bonds

OHNO Hiroki , HASHIMOTO Masanori , ARAKI Yoshima , NEZU Takashi , ENDO Kazuhiko

… X-ray photoelectron spectroscopy (XPS) is used to analyze 4-META resin and enamel that are debonded at an adhesive interface. … We postulate that for a chemical reaction of 4-META and hydroxyapatite, the chemical structure of carboxyl groups will resemble that of calcium phthalate. … Additionally, the spectra obtained from the adhesive interface and the mixture of calcium phthalate with hydroxyapatite particles were compared using peak deconvolution analysis. …

Dental Materials Journal, 2021

J-STAGE
4

Mechanism of Nucleation in the Formation of Amyloid Fibrils [in Japanese]

Chatani Eri

… structure, in which β– strands are stacked in the axial direction of the fibril. … Probably because of this periodic structure, the formation of amyloid fibrils is similar to that of crystals, and the nucleation process is observed in early stages, acting as a rate–determining step. … I also discuss how amyloid nucleation is affected at a lipid membrane interface in order to understand the mechanism of amyloid fibril formation in biological systems. …

MEMBRANE 46(1), 19-24, 2021

J-STAGE
5

Interface Behavior and Interaction Mechanism between Vanadium-Titanium Magnetite Carbon Composite Briquette and Sinter in Softening-Melting-Dripping Process

Zhao Wei , Chu Mansheng , Guo Hongwei , Liu Zhenggen , Yan Bingji , Li Peng

… In this study, the interface behaviors between VTM-CCB and sinter were investigated by conducting interrupted softening-melting experiments to elucidate intrinsic structure evolution and interaction mechanisms. … During softening, when the FC/O ratio of VTM-CCB ranges from 0.8 to 1.0, the molten slag-metal coexisting structure formed at the interface, thereby promoting the shrinking and decreasing T4 …

ISIJ International 61(1), 146-157, 2021

J-STAGE
6

Kinetic Behaviors of Coke Gasification with CO2 and H2O

Lan Chen-chen , Zhang Shu-hui , Liu Xiao-jie , Liu Ran , Lyu Qing

… The results show that the internal diffusion condition and interfacial reaction condition of coke gasification in H2O are better than those in CO2, and the difference of diffusion property is greater than that of interface reaction property. … The activation energies of internal diffusion and interface reaction of coke gasification in H2O are 80.36 kJ/mol and 36.97 kJ/mol lower than that in CO2, respectively. …

ISIJ International 61(1), 167-173, 2021

J-STAGE
7

Enhancement of the Direct Electron Transfer-type Bioelectrocatalysis of Bilirubin Oxidase at the Interface between Carbon Particles

WANIBUCHI Mizue , KITAZUMI Yuki , SHIRAI Osamu , KANO Kenji

… is large, the catalytic current is saturated at a limited value controlled by the mass transfer in the porous structure. … Comparisons among the carbon composites constructed with Vulcan and exfoliated graphite (JSP) show that the interface between the Vulcan and JSP particles is more suitable for the DET-type bioelectrocatalysis of bilirubin oxidase (BOD) than that between the particles of the same type. …

Electrochemistry 89(1), 43-48, 2021

J-STAGE
8

High Mobility Group Box-1 and Blood-Brain Barrier Disruption

Nishibori Masahiro , Wang Dengli , Ousaka Daiki , Wake Hidenori

… During the processes of inflammation, disruption of the blood–brain barrier (BBB) may play a critical role in the enhancement of inflammatory responses and may initiate brain damage because the BBB constitutes an interface between the brain parenchyma and the bloodstream containing blood cells and plasma. …

Cells 9(12), 2650, 2020-12-10

IR
9

Novel Reconfigurable Computing Using Abacus as User Interface [in Japanese]

須﨑宏文

アバカスは人間の計算を補助するための単純な構造を持つ装置であり，多くの地域で文明の発展に貢献した歴史を持つが，電子回路を用いることで速さや正確さに優れた計算を実現可能なコンピュータが発明されたことで，その実用性は失われている．近年では，アバカスによる計算は人間の脳の機能を解明する手段の1つとして研究されている．コンピュータによる計算はルールに従う情報処理によって表現されるため，人間の判断を必要とせ …

情報処理学会論文誌プログラミング（PRO） 13(4), 23-23, 2020-10-23

IPSJ
10

Generalized Swift–Hohenberg and phase-field-crystal equations based on a second-gradient phase-field theory

Luis Espath , Victor M. Calo , Eliot Fried

… Thermodynamically consistent boundary conditions for situations in which the interface between the system and its environment is structureless and cannot support constituent transport are also developed, as are energy decay relations that ensue naturally from the thermodynamic structure of the theory. …

Meccanica 55(10), 1853-1868, 2020-10-07

IR
11

Thermal evaluation of metalized ceramic substrates for use in next-generation power modules toward international standardization

Wakasugi Naoki , Chen Chuantong , Hirao Kiyoshi , Nagao Shijo , Suganuma Katsuaki

N. Wakasugi, C. Chen, K. Hirao, S. Nagao and K. Suganuma, "Thermal evaluation of metalized ceramic substrates for use in next-generation power modules toward international standardization," 2020 IEEE …

Proceedings - 2020 IEEE 8th Electronics System-Integration Technology Conference, ESTC 2020, 2020-09-15

IR
12

Evaluation of high temperature reliability of SiC die attached structure with sinter micron-size Ag particles paste on Ni-P/Pd/Au plated substrates

Chen Chuantong , Zhang Zheng , Suganuma Katsuaki

… Suganuma, "Evaluation of high temperature reliability of SiC die attached structure with sinter micron-size Ag particles paste on Ni-P/Pd/Au plated substrates," 2020 IEEE 8th Electronics System-Integration Technology Conference (ESTC), Tønsberg, Vestfold, Norway, 2020, pp. …

Proceedings - 2020 IEEE 8th Electronics System-Integration Technology Conference, ESTC 2020, 2020-09-15

IR
13

Electrochemical surface plasmon resonance measurements of camel-shaped static capacitance and slow dynamics of electric double layer structure at the ionic liquid/electrode interface

Zhang Shiwei , Nishi Naoya , Sakka Tetsuo

… Electrochemical surface plasmon resonance (ESPR) is applied to evaluate the relative static differential capacitance at the interface between 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)amide ionic liquid (IL) and a gold electrode, based on the relationship between the SPR angle and surface charge density on the electrode. …

The Journal of chemical physics 153(4), 2020-07-28

IR
14

Relation between Shape and Thermal Behavior at Repaired Interface of Patched Concrete [in Japanese]

神代康輔 , 吉富信太 , 金侖美 , 福山智子

歴史都市防災論文集 = Proc. of urban cultural heritage disaster mitigation 14, 83-90, 2020-07-18

IR DOI
15

Skewed electronic band structure induced by electric polarization in ferroelectric BaTiO3

Oshime Norihiro , Kano Jun , Ikenaga Eiji , Yasui Shintaro , Hamasaki Yosuke , Yasuhara Sou , Hinokuma Satoshi , Ikeda Naoshi , Janolin Pierre-Eymeric , Kiat Jean-Michel , Itoh Mitsuru , Yokoya Takayoshi , Fujii Tatsuo , Yasui Akira , Osawa Hitoshi

… However, because the actual ferroelectric band structure has not been elucidated, precise designing of devices has to be advanced through appropriate heuristics. … Here, we perform angle-resolved hard X-ray photoemission spectroscopy of ferroelectric BaTiO3 thin films for the direct observation of ferroelectric band skewing structure as the depth profiles of atomic orbitals. …

Scientific Reports 10(1), 10702, 2020-07-01

IR
16

Second-harmonic generation of two-dimensional elastic wave propagation in an infinite layered structure with nonlinear spring-type interfaces

Ishii Yosuke , Biwa Shiro , Adachi Tadaharu

… The two-dimensional elastic wave propagation in an infinite layered structure with nonlinear interlayer interfaces is analyzed theoretically to investigate the second-harmonic generation due to interfacial nonlinearity. … The structure consists of identical isotropic linear elastic layers that are bonded to each other by spring-type interfaces possessing identical linear normal and shear stiffnesses but different quadratic nonlinearity parameters. …

Wave Motion (96), 2020-07

IR
17

Effect of Switching the Length of Alkyl Chains on Electric Double Layer Structure and Differential Capacitance at the Electrode Interface of Quaternary Ammonium-Based Ionic Liquids Studied Using Molecular Dynamics Simulation [in Japanese]

Katakura Seiji , Nishi Naoya , Kobayashi Kazuya , Amano Ken Ichi , Sakka Tetsuo

… Electric double-layer structure at the electrode interface has been studied by using molecular dynamics simulation on four quaternary ammonium-based ionic liquids (QaILs) to investigate the effect of switching the alkyl chain length of the Qa cation. … For the case of k = 1, 2, 3, the butyl chains parallel to the interface increases as the potential becomes negative, but further negative potential results in the increase in perpendicular ones. …

Journal of Physical Chemistry C 124(14), 7873-7883, 2020-04-09

IR
18

Plastic joining of open-cell nickel foam and polymethyl methacrylate (PMMA) sheet by friction stir incremental forming

Ryo Matsumoto , Harutaka Sakaguchi , Masaaki Otsu , Hiroshi Utsunomiya

… The joining mechanism of the foam and the sheet was discussed from the microscopic observation of the foam–sheet interface and the temperature change in the sheet. … It is concluded that the sheet was mechanically interlocked (anchored) to the porous structure of the foam by the plastic flow of the heated and softened PMMA into the surface pores of the foam. …

Journal of Materials Processing Technology (282), 116691-116691, 2020-03-24

IR
19

An electric double layer structure and differential capacitance at the electrode interface of tributylmethylammonium bis(trifluoromethanesulfonyl)amide studied using a molecular dynamics simulation

Katakura Seiji , Nishi Naoya , Kobayashi Kazuya , Amano Ken Ichi , Sakka Tetsuo

… A molecular dynamics simulation at the electrode interface of a quaternary ammonium ionic liquid, tributylmethylammonium bis(trifluoromethanesulfonyl)amide ([N₁₄₄₄⁺][TFSA⁻]), has been performed. … The behavior of ions at the electrode interface, especially these butyl groups, has been investigated. …

Physical chemistry chemical physics : PCCP (22), 5198-5210, 2020-03-07

IR
20

Microstructure and compressive properties of porous hybrid materials consisting of ductile Al/Ti and brittle Al3Ti phases fabricated by reaction sintering with space holder

Suzuki Asuka , Kosugi Naoki , Takata Naoki , Kobashi Makoto

ファイル公開：2022-03-03

Materials Science and Engineering: A (776), 139000, 2020-03-03

IR

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