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2020年度

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2020年度の成果報告 (2/7)

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論文等

Molecular-Dynamics Study of Thermal Conductivity of Silver Chalcogenides

S. Fukushima, K. Shimamura, A. Koura, and F. Shimojo

Physica Status Solidi B 257, 2000183 (5 pp.) (2020)

論文等

First-Principles Study of Pressure-Induced Amorphization of Fe2SiO4 Fayalite

M. Misawa and F. Shimojo

Physica Status Solidi B 257, 2000173 (8 pp.) (2020)

論文等

Computational and training requirements for interatomic potential based on artificial neural network for estimating low thermal conductivity of silver chalcogenides

K. Shimamura, Y. Takeshita, S. Fukushima, A. Koura, and F. Shimojo

Journal of Chemical Physics 153, 234301 (10 pp.) (2020)

論文等

Towards simulation of the dynamics of materials on quantum computers

L. Bassman, K. Liu, Y. Geng, D. Shebib, A. Krishnamoorthy, S. Fukushima, F. Shimojo, R. K. Kalia, A. Nakano, and P. Vashishta

Physical Review B 101, 184305 (6 pp.) (2020)

論文等

Field-Induced Carrier Localization Transition in Dielectric Polymers

T. M. Linker, S. Tiwari, H. Kumazoe, S. Fukushima, R. Kalia, A. Nakano, R. Ramprasad, F. Shimojo, and P. Vashishta

The Journal of Physical Chemistry Letters 11, 352-358 (2020)

論文等

First-principles molecular dynamics simulation study on Ti4+ ion in aqueous sulfuric acid

Yoong-Kee Choe, Eiji Tsuchida, Kazuya Tokuda, Jun Otsuka, Yoshihiro Saito, Atsunobu Masuno, and Hiroyuki Inoue

AIP Advances 11, 035224 (2021)

論文等

A Theoretical Procedure Based on Classical Electrostatics and Density Functional Theory for Screening Non-Square-Shaped Mixed-Valence Complexes for Logic Gates in Molecular Quantum-Dot Cellular Automata

Ken Tokunaga, Fumiya Odate, Daiya Asami, Keishiro Tahara, Mitsunobu Sato

Bull. Chem. Soc. Jpn. 94, 397 (2021).

論文等

Synthesis of 1,2,5‐Oxadiazinane Derivatives by Photochemical Cycloaddition of Nitrones with Diaminomethanes

Kennosuke Itoh, Atsushi Takashino, Atsushi Ohtsuka, Mizuki Kobe, Shunsuke Sawamura, Ryo Kato, Shigeto Hirayama, Fumika Karaki, Takaaki Mizuguchi, Noriko Sato, Ken Tokunaga, Yasunori Toda, Hiroyuki Suga, Hitoshi Ishida, Hideaki Fujii

ChemPhotoChem 4, 388 (2020).

論文等

溶媒和モーターを用いた大きく重い粒子の分子動力学シミュレーション

徳永 健、佐相剛史、秋山 良

第34回分子シミュレーション討論会、2020/12/15、オンライン

論文等

A candidate secular variation model for IGRF-13 based on MHD dynamo simulation and 4DEnVar data assimilation

Takuto Minami, Shin’ya Nakano, Vincent Lesur, Futoshi Takahashi, Masaki Matsushima, Hisayoshi Shimizu, Ryosuke Nakashima, Hinami Taniguchi, Hiroaki Toh

Earth, Planets and Space, 72:136, doi:10.1186/s40623-020-01253-8, (2020)

論文等

Statistical property of the polarity reversals in numerical dynamo models with implications for the geomagnetic field reversals

Futoshi Takahashi, Yuhji Yamamoto

JpGU-AGU Joint Meeting 2020: Virtual, 7/12-16

論文等

Anomalous is normal in planetary dynamos: A case of Mercury

Futoshi Takahashi, Hisayoshi Shimizu, Hideo Tsunakawa

JpGU-AGU Joint Meeting 2020: Virtual, 7/12-16

論文等

Quantitative evaluation of the convection structure in the core with reference to a compositionally-driven lunar dynamo

Fumi Hyodo, Futoshi Takahashi, Satoshi Kaneshima, Hisayoshi Shimizu, Hideo Tsunakawa

JpGU-AGU Joint Meeting 2020: Virtual, 7/12-16

論文等

An effect of the inner core on bottom-up type critical convective flows in a rotating spherical shell

Hinami Taniguchi, Futoshi Takahashi, Shin-ichi Takehiro, Hisayoshi Shimizu

JpGU-AGU Joint Meeting 2020: Virtual, 7/12-16

論文等

Iterative ensemble variational methods and its application for the prediction of geomagnetic secular variation

Shinya Nakano, Takuto Minami, Futoshi Takahashi, Masaki Matsushima, Hisayoshi Shimizu, Hiroaki Toh

JpGU-AGU Joint Meeting 2020: Virtual, 7/12-16

論文等

Contribution to IGRF-13 from Japan: A secular variation model using a numerical dynamo model and 4DEnVar data assimilation

Takuto Minami, Shinya Nakano, Futoshi Takahashi, Masaki Matsushima, Ryosuke Nakashima, Hisayoshi Shimizu, Hinami Taniguchi, Hiroaki Toh

JpGU-AGU Joint Meeting 2020: Virtual, 7/12-16

論文等

Inferring geomagnetic secular variation using MHD/kinematic dynamo modeling with data assimilation

Futoshi Takahashi, Shinya Nakano, Takuto Minami, Hinami Taniguchi, Ryosuke Nakashima, Masaki Matsushima, Hisayoshi Shimizu, Hiroaki Toh

JpGU-AGU Joint Meeting 2020: Virtual, 7/12-16

論文等

Control of Vent Geometry on the Fluid Dynamics of Volcanic Plumes: Insights From Numerical Simulations

Y. J. Suzuki, A. Costa, and T. Koyaguchi

Geophysical Research Letters, 47, e2020GL087038, 2020. https://doi.org/10.1029/2020GL087038

論文等

Rossby Number Dependence of Venus/Titan-Type Superrotation and Its Related Intermittency

Tsunoda, Y., Yamamoto, M., & Takahashi, M.

Journal of Geophysical Research: Planets, 126, e2020JE006637

論文等

Relationships between Immersion Freezing and Crystal Habit for Arctic Mixed-Phase Clouds?A Numerical Study

HASHINO Tempei ; Gijs De Boer ; Hajime Okamoto ; Gregory J. Tripoli

JOURNAL OF THE ATMOSPHERIC SCIENCES, American Meteorological Society, July 2020, pp. 2411-2438

論文等

Excitation mechanism of ionospheric 6-day oscillation during the 2019 September sudden stratospheric warming event

Miyoshi, Y. and Y. Yamazaki

Journal of Geophysical Research (Space Physics), 2020, vol125, https://doi.org/10.1029/2020JA028283

論文等

Whole atmosphere model simulations of ultra-fast Kelvin wave effects in the ionosphere and thermosphere

Yamazaki, Y., Y. Miyoshi, C. Xiong, C. Stolle, G. Soares, and A. Yoshikawa

Journal of Geophysical Research (Space Physics), 2020, Vol 125, https://doi.org/10.1029/2020JA027939

論文等

Theoretical study of the linearity of uranyl molecule based on relativistic correlation method

Ayaki Sunaga

Topical meeting on Condensed-matter Chemistry on Actinides (Kumatori meeting), zoom 10/2/2021

論文等

Theoretical study towards the detection of P, T violating interactions: analysis of enhancement factors and correction of QED effects

Ayaki Sunaga

5th Committee of circuit for the scientific technical revolution based on the precise measurement, zoom 17/11/2020

論文等

Face-Centered-Cubic Yttrium Trihydride High-Pressure Phase Stabilized at Ambient Pressures by Mechanical Milling

Riki Kataoka;Toshikatsu Kojima;Kohei Tada;Mitsunori Kitta;Nobuhiko Takeichi;Kouji Sakaki;Masashi Nozaki;Toru Kimura;Atsunori Kamegawa

Materialia, vol.15 (2021) pp.100956

論文等

Estimation of spin contamination errors in DFT/plane-wave calculations of solid materials using approximate spin projection scheme

Kohei Tada;Shusuke Yamanaka;Takashi Kawakami;Yasutaka Kitagawa;Mitsutaka Okumura;Kizashi Yamaguchi;Shingo Tanaka

Chemical Physics Letters, vol.765 (2021) pp.138291

論文等

A Different Oxygen Desorption Durability of Lithium Titanium Oxides as Confirmed by Transmission Electron Energy-Loss Spectroscopy Analysis of Li4Ti5O12 and -Li2TiO3 Biphase Specimen

Mitsunori Kitta; Kohei Tada

ACS Applied Energy and Interface, accepted

論文等

Boosting the electrocatalytic activity of Pd/C by Cu alloying: Insight on Pd/Cu composition and reaction pathway

Chiranjita Goswami;Himadri Saikia;Biraj Jyoti Borah;Manash Jyoti Kalita;Kohei Tada;Shingo Tanaka;Pankaj Bharali

Journal of Colloid and Interface Science, vol.587 (2021) pp.446-456

論文等

Difference in the electron energy loss spectra between the spinel-type Na3LiTi5O12 and Li4Ti5O12 clarified by density functional theory calculations

Kohei Tada;Mitsunori Kitta;Shingo Tanaka

Computational Materials Science, vol.188 (2021) pp.110240

論文等

Electron Density-Based Estimation of Diradical Character: An Easy Scheme for DFT/Plane-wave Calculations

Kohei Tada; Yasutaka Kitagawa; Takashi Kawakami; Mitsutaka Okumura; Shingo Tanaka

Chemistry Letters, accepted

論文等

How does the Li-distribution in the 16d sites determine the stability of A(3)(Li,Ti-5)O-12(A = Li and Na)?

Kohei Tada; Hiroyuki Ozaki; Tetsu Kiyobayashi; Mitsunori Kitta; Shingo Tanaka

RSC ADVANCES, vol.10 (2020) pp.33509-33516

論文等

Bimetallic Palladium Nickel Nanoparticles Anchored on Carbon as High-Performance Electrocatalysts for Oxygen Reduction and Formic Acid Oxidation Reactions

Chiranjita Goswami;Himadri Saikia;Kohei Tada;Shingo Tanaka;Putla Sudarsanam;Suresh K. Bhargava;Pankaj Bharali

ACS APPLIED ENERGY MATERIALS, vol.3 (2020) pp.9285-9295

論文等

Effect of surface interactions on spin contamination errors of homogeneous spin dimers, chains, and films: model calculations of Au/MgO and Au/BaO systems

Kohei Tada;Akihide Hayashi;Tomohiro Maruyama;Hiroaki Koga;Shusuke Yamanaka;Mitsutaka Okumura;Shingo Tanaka

Molecular Physics, (2020) online published

論文等

Clarification of the Relationship between the Magnetic and Conductive Properties of Infinite Chains in Trioxotriangulene Radical Crystals by Spin‐Projected DFT/Plane‐Wave Calculations

Kohei Tada; Takashi Kawakami; Shingo Tanaka; Mitsutaka Okumura; Kizashi Yamaguchi

Advanced Theory and Simulations, vol.3 (2020) pp.202000050

論文等

Surface Oxygen Vacancy Formation Energy Calculations in 34 Orientations of β-Ga2O3 and θ-Al2O3

Y. Hinuma, T. Kamachi, N. Hamamoto, M. Takao, T. Toyao, K. Shimizu

The Journal of Physical Chemistry C, 124, 10509-10522, (2020).

論文等

Frontier Molecular Orbital Based Analysis of Solid?Adsorbate Interactions over Group 13 Metal Oxide Surfaces

C. Liu, Y. Li, M. Takao, T. Toyao, Z. Maeno, T. Kamachi, Y. Hinuma, I. Takigawa, K. Shimizu

The Journal of Physical Chemistry C, 124, 15355-15365, (2020).

論文等

Changes in Surface Oxygen Vacancy Formation Energy at Metal/Oxide Perimeter Sites: A Systematic Study on Metal Nanoparticles Deposited on an In2O3(111) Support

Y. Hinuma, T. Toyao, N. Hamamoto, M. Takao, K. Shimizu, T. Kamachi

The Journal of Physical Chemistry C, 124, 27621-27630, (2020).

論文等

Effect of Oxygen Vacancies on Adsorption of Small Molecules on Anatase and Rutile TiO2 Surfaces: A Frontier Orbital Approach

N. Hamamoto, T. Tatsumi, M. Takao, T. Toyao, Y. Hinuma, Shimizu, T. Kamachi

The Journal of Physical Chemistry C, 125, 3827-3844, (2021).

論文等

Vibrational spectroscopic and computational studies on formamide solutions of alkali metal ions

Kazuhiko Ohashi and Nobutaka Hikiishi

J. Solution Chem. 49, 1442?1457 (2020).

論文等

Infrared spectroscopic and computational studies of Co(ClO4)2 dissolved in N,N-dimethylformamide (DMF). Vibrations of DMF influenced by Co2+ or ClO4- or both

Kazuhiko Ohashi and Hayato Takeshita

Spectrochim. Acta A 248, 119289 (2021).