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Research Output 2001 2019

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2019

Effect of Ca doping on modulated structures in multiferroic Bi1−xCaxFeO3

Hiroyama, T., Hirata, A., Inoue, Y., Horibe, Y. & Koyama, Y., 2019 Jan 1, In : journal of the physical society of japan. 88, 5, 054601.

Research output: Contribution to journalArticle

antiphase boundaries
room temperature
diffraction patterns
electron diffraction
modulation
2 Citations (Scopus)

Effects of mixing enthalpy and cooling rate on phase formation of Al x CoCrCuFeNi high-entropy alloys

Xu, X. D., Guo, S., Nieh, T. G., Liu, C. T., Hirata, A. & Chen, M. W., 2019 Jun 1, In : Materialia. 6, 100292.

Research output: Contribution to journalArticle

Enthalpy
Entropy
Cooling
Solid solutions
Coarsening
4 Citations (Scopus)

Free-standing nanoporous gold for direct plasmon enhanced electro-oxidation of alcohol molecules

Wang, Z., Du, J., Zhang, Y., Han, J., Huang, S., Hirata, A. & Chen, M., 2019 Feb 1, In : Nano Energy. 56, p. 286-293 8 p.

Research output: Contribution to journalArticle

Electrooxidation
Gold
Alcohols
Catalysts
Molecules
3 Citations (Scopus)

Lithium intercalation into bilayer graphene

Ji, K., Han, J., Hirata, A., Fujita, T., Shen, Y., Ning, S., Liu, P., Kashani, H., Tian, Y., Ito, Y., Fujita, J. I. & Oyama, Y., 2019 Dec 1, In : Nature Communications. 10, 1, 275.

Research output: Contribution to journalArticle

Graphite
Intercalation
Lithium
intercalation
graphene
2 Citations (Scopus)

Temperature-dependent compression behavior of an Al 0.5 CoCrCuFeNi high-entropy alloy

Xu, X. D., Chen, S. Y., Ren, Y., Hirata, A., Fujita, T., Liaw, P. K. & Chen, M. W., 2019 Mar 1, In : Materialia. 5, 100243.

Research output: Contribution to journalArticle

Entropy
Yield stress
Temperature
Microstructure
Twinning
6 Citations (Scopus)

Time-resolved atomic-scale observations of deformation and fracture of nanoporous gold under tension

Liu, P., Wei, X., Song, S., Wang, L., Hirata, A., Fujita, T., Han, X., Zhang, Z. & Chen, M., 2019 Feb 15, In : Acta Materialia. 165, p. 99-108 10 p.

Research output: Contribution to journalArticle

Gold
Nanopores
Surface diffusion
Ligaments
Embrittlement
1 Citation (Scopus)

Ultrahigh-pressure form of Si O2 glass with dense pyrite-type crystalline homology

Murakami, M., Kohara, S., Kitamura, N., Akola, J., Inoue, H., Hirata, A., Hiraoka, Y., Onodera, Y., Obayashi, I., Kalikka, J., Hirao, N., Musso, T., Foster, A. S., Idemoto, Y., Sakata, O. & Ohishi, Y., 2019 Jan 29, In : Physical Review B. 99, 4, 045153.

Research output: Contribution to journalArticle

Pyrites
homology
pyrites
Crystalline materials
Glass
2018
21 Citations (Scopus)

Bilayered nanoporous graphene/molybdenum oxide for high rate lithium ion batteries

Han, J., Liu, P., Ito, Y., Guo, X., Hirata, A., Fujita, T. & Chen, M., 2018 Mar 1, In : Nano Energy. 45, p. 273-279 7 p.

Research output: Contribution to journalArticle

Molybdenum oxide
Graphite
Graphene
Electrodes
Energy storage
2 Citations (Scopus)

Crystalline approximant of amorphous Fe-Si-B structures

Hirata, A., 2018 Jan 1, In : Materials Transactions. 59, 7, p. 1047-1050 4 p.

Research output: Contribution to journalArticle

Phase structure
Crystalline materials
polyhedrons
electron diffraction
distribution functions

Deformation behaviour of 18R long-period stacking ordered structure in an Mg-Zn-Y alloy under shock loading

Zhang, F., Ren, Y., Ning, S., Tian, Y., Hu, W., Tan, C., Fujita, T., Hirata, A. & Chen, M., 2018 Nov 1, In : Intermetallics. 102, p. 21-25 5 p.

Research output: Contribution to journalArticle

Plastic deformation
Transmission electron microscopy
Microstructure
7 Citations (Scopus)

Distortion of Local Atomic Structures in Amorphous Ge-Sb-Te Phase Change Materials

Hirata, A., Ichitsubo, T., Guan, P. F., Fujita, T. & Chen, M. W., 2018 May 18, In : Physical Review Letters. 120, 20, 205502.

Research output: Contribution to journalArticle

phase change materials
atomic structure
crystals
topology
electron diffraction
5 Citations (Scopus)

Graphene-based quasi-solid-state lithium–oxygen batteries with high energy efficiency and a long cycling lifetime

Huang, G., Han, J., Yang, C., Wang, Z., Fujita, T., Hirata, A. & Chen, M., 2018 Nov 1, In : NPG Asia Materials. 10, 11, p. 1037-1045 9 p.

Research output: Contribution to journalArticle

Graphite
Graphene
Cycling
Energy Efficiency
Battery
15 Citations (Scopus)

Heavily Doped and Highly Conductive Hierarchical Nanoporous Graphene for Electrochemical Hydrogen Production

Chen, L., Han, J., Ito, Y., Fujita, T., Huang, G., Hu, K., Hirata, A., Watanabe, K. & Chen, M., 2018 Oct 1, In : Angewandte Chemie - International Edition. 57, 40, p. 13302-13307 6 p.

Research output: Contribution to journalArticle

Graphite
Hydrogen production
Graphene
Doping (additives)
Electrocatalysts
19 Citations (Scopus)

Intercalation pseudocapacitance of amorphous titanium dioxide@nanoporous graphene for high-rate and large-capacity energy storage

Han, J., Hirata, A., Du, J., Ito, Y., Fujita, T., Kohara, S., Ina, T. & Chen, M., 2018 Jul 1, In : Nano Energy. 49, p. 354-362 9 p.

Research output: Contribution to journalArticle

Graphite
Intercalation
Titanium dioxide
Energy storage
Graphene
4 Citations (Scopus)

Microstructural origins for a strong and ductile Al0.1CoCrFeNi high-entropy alloy with ultrafine grains

Xu, X. D., Liu, P., Hirata, A., Song, S. X., Nieh, T. G. & Chen, M. W., 2018 Dec 1, In : Materialia. 4, p. 395-405 11 p.

Research output: Contribution to journalArticle

Entropy
Grain boundaries
Tensile strain
Stacking faults
Electron diffraction
5 Citations (Scopus)

Operando characterization of cathodic reactions in a liquid-state lithium-oxygen micro-battery by scanning transmission electron microscopy

Liu, P., Han, J., Guo, X., Ito, Y., Yang, C., Ning, S., Fujita, T., Hirata, A. & Chen, M., 2018 Dec 1, In : Scientific Reports. 8, 1, 3134.

Research output: Contribution to journalArticle

Lithium
Oxygen
Transmission electron microscopy
Scanning electron microscopy
Liquids
8 Citations (Scopus)

Operando observations of RuO2 catalyzed Li2O2 formation and decomposition in a Li-O2 micro-battery

Hou, C., Han, J., Liu, P., Yang, C., Huang, G., Fujita, T., Hirata, A. & Chen, M., 2018 May 1, In : Nano Energy. 47, p. 427-433 7 p.

Research output: Contribution to journalArticle

Decomposition
Oxygen
Phase interfaces
Catalysts
Passivation
8 Citations (Scopus)

Spatial heterogeneity as the structure feature for structure–property relationship of metallic glasses

Zhu, F., Song, S., Reddy, K. M., Hirata, A. & Chen, M., 2018 Dec 1, In : Nature Communications. 9, 1, 3965.

Research output: Contribution to journalArticle

Metallic glass
metallic glasses
Glass
Strengthening (metal)
mechanical properties
2 Citations (Scopus)

Structure of crystallized particles in sputterdeposited amorphous germanium films

Okugawa, M., Nakamura, R., Hirata, A., Ishimaru, M., Yasuda, H. & Numakura, H., 2018 Oct 1, In : Journal of Applied Crystallography. 51, 5, p. 1467-1473 7 p.

Research output: Contribution to journalArticle

Germanium
Diamond
Diffraction patterns
Crystalline materials
Crystallization
16 Citations (Scopus)

Synthesizing 1T-1H Two-Phase Mo1-xWxS2 Monolayers by Chemical Vapor Deposition

Wang, Z., Shen, Y., Ito, Y., Zhang, Y., Du, J., Fujita, T., Hirata, A., Tang, Z. & Chen, M., 2018 Feb 27, In : ACS Nano. 12, 2, p. 1571-1579 9 p.

Research output: Contribution to journalArticle

Transition metals
Chemical vapor deposition
Monolayers
transition metals
vapor deposition
24 Citations (Scopus)

Three-dimensional bicontinuous nanoporous materials by vapor phase dealloying

Lu, Z., Li, C., Han, J., Zhang, F., Liu, P., Wang, H., Wang, Z., Cheng, C., Chen, L., Hirata, A., Fujita, T., Erlebacher, J. & Chen, M., 2018 Dec 1, In : Nature Communications. 9, 1, 276.

Research output: Contribution to journalArticle

Vapor Pressure
Vapors
vapor phases
vapor pressure
Chemical Phenomena
21 Citations (Scopus)

Transmission electron microscopy characterization of dislocation structure in a face-centered cubic high-entropy alloy Al0.1CoCrFeNi

Xu, X. D., Liu, P., Tang, Z., Hirata, A., Song, S. X., Nieh, T. G., Liaw, P. K., Liu, C. T. & Chen, M. W., 2018 Feb 1, In : Acta Materialia. 144, p. 107-115 9 p.

Research output: Contribution to journalArticle

Entropy
Transmission electron microscopy
Stacking faults
Dislocations (crystals)
Strain hardening
2017
3 Citations (Scopus)

Chemical Selectivity at Grain Boundary Dislocations in Monolayer Mo1-xWxS2 Transition Metal Dichalcogenides

Wang, Z., Shen, Y., Ning, S., Ito, Y., Liu, P., Tang, Z., Fujita, T., Hirata, A. & Chen, M., 2017 Sep 6, In : ACS Applied Materials and Interfaces. 9, 35, p. 29438-29444 7 p.

Research output: Contribution to journalArticle

Dislocations (crystals)
Transition metals
Monolayers
Grain boundaries
Crystal defects
25 Citations (Scopus)

Correlation between Local Structure Order and Spatial Heterogeneity in a Metallic Glass

Zhu, F., Hirata, A., Liu, P., Song, S., Tian, Y., Han, J., Fujita, T. & Chen, M., 2017 Nov 20, In : Physical Review Letters. 119, 21, 215501.

Research output: Contribution to journalArticle

metallic glasses
electron diffraction
inhomogeneity
transmission electron microscopy
scanning electron microscopy
15 Citations (Scopus)

Direct Observations of the Formation and Redox-Mediator-Assisted Decomposition of Li2O2 in a Liquid-Cell Li–O2 Microbattery by Scanning Transmission Electron Microscopy

Yang, C., Han, J., Liu, P., Hou, C., Huang, G., Fujita, T., Hirata, A. & Chen, M., 2017 Nov 6, In : Advanced Materials. 29, 41, 1702752.

Research output: Contribution to journalArticle

Electrolytes
Transmission electron microscopy
Decomposition
Ostwald ripening
Scanning electron microscopy
10 Citations (Scopus)

Engineering the internal surfaces of three-dimensional nanoporous catalysts by surfactant-modified dealloying

Wang, Z., Liu, P., Han, J., Cheng, C., Ning, S., Hirata, A., Fujita, T. & Chen, M., 2017 Dec 1, In : Nature Communications. 8, 1, 1066.

Research output: Contribution to journalArticle

Surface-Active Agents
Gold
surfactants
Surface structure
engineering
30 Citations (Scopus)

Formation and characterization of hydrogen boride sheets derived from MgB2 by cation exchange

Nishino, H., Fujita, T., Cuong, N. T., Tominaka, S., Miyauchi, M., Iimura, S., Hirata, A., Umezawa, N., Okada, S., Nishibori, E., Fujino, A., Fujimori, T., Ito, S. I., Nakamura, J., Hosono, H. & Kondo, T., 2017 Jan 1, In : Journal of the American Chemical Society. 139, 39, p. 13761-13769 9 p.

Research output: Contribution to journalArticle

Boron Compounds
Boron
Borides
Cations
Hydrogen
29 Citations (Scopus)

Full Performance Nanoporous Graphene Based Li-O2 Batteries through Solution Phase Oxygen Reduction and Redox-Additive Mediated Li2O2 Oxidation

Han, J., Huang, G., Ito, Y., Guo, X., Fujita, T., Liu, P., Hirata, A. & Chen, M., 2017 Apr 5, In : Advanced Energy Materials. 7, 7

Research output: Contribution to journalArticle

Graphite
Energy storage
Oxygen
Oxidation
Oxidation-Reduction
16 Citations (Scopus)

Noble-Metal-Free Metallic Glass as a Highly Active and Stable Bifunctional Electrocatalyst for Water Splitting

Tan, Y., Zhu, F., Wang, H., Tian, Y., Hirata, A., Fujita, T. & Chen, M., 2017 May 9, In : Advanced Materials Interfaces. 4, 9, 1601086.

Research output: Contribution to journalArticle

Electrocatalysts
Metallic glass
Precious metals
Transition metal alloys
Catalyst activity
29 Citations (Scopus)

Structure and mechanical properties of boron-rich boron carbides

Cheng, C., Reddy, K. M., Hirata, A., Fujita, T. & Chen, M., 2017 Dec 1, In : Journal of the European Ceramic Society. 37, 15, p. 4514-4523 10 p.

Research output: Contribution to journalArticle

Boron carbide
Boron
Mechanical properties
Substitution reactions
Carbon
2 Citations (Scopus)

Structure and viscosity of phase-separated BaO–SiO2 glasses

Gueguen, Y., Houizot, P., Célarié, F., Chen, M., Hirata, A., Tan, Y., Allix, M., Chenu, S., Roux-Langlois, C. & Rouxel, T., 2017 May 1, In : Journal of the American Ceramic Society. 100, 5, p. 1982-1993 12 p.

Research output: Contribution to journalArticle

Barium
Viscosity
Glass
Silicates
Phase separation
9 Citations (Scopus)

Transparent magnetic semiconductor with embedded metallic glass nano-granules

Chen, N., Li, H., Hirata, A., Luo, Z., Wang, Z., Liu, W., Cui, B., Hitosugi, T., Gu, L., Zhang, X., Zhang, X., Song, C., Wang, X., Zhang, L., Cao, J., Ohmura, K., Ketov, S. V., Yao, K., Chen, M. & Louzguine-Luzgin, D. V., 2017 Oct 15, In : Materials and Design. 132, p. 208-214 7 p.

Research output: Contribution to journalArticle

Magnetic semiconductors
Metallic glass
Ferromagnetism
Galvanomagnetic effects
Magnetoelectronics
6 Citations (Scopus)

Tunable Nanoporous Metallic Glasses Fabricated by Selective Phase Dissolution and Passivation for Ultrafast Hydrogen Uptake

Jiao, W., Liu, P., Lin, H., Zhou, W., Wang, Z., Fujita, T., Hirata, A., Li, H. W. & Chen, M., 2017 May 23, In : Chemistry of Materials. 29, 10, p. 4478-4483 6 p.

Research output: Contribution to journalArticle

Metallic glass
Passivation
Hydrogen
Dissolution
Corrosion
10 Citations (Scopus)

Tuning Surface Structure of 3D Nanoporous Gold by Surfactant-Free Electrochemical Potential Cycling

Wang, Z., Ning, S., Liu, P., Ding, Y., Hirata, A., Fujita, T. & Chen, M., 2017 Nov 6, In : Advanced Materials. 29, 41, 1703601.

Research output: Contribution to journalArticle

Surface-Active Agents
Surface structure
Gold
Surface active agents
Tuning
192 Citations (Scopus)

Ultrastrong steel via minimal lattice misfit and high-density nanoprecipitation

Jiang, S., Wang, H., Wu, Y., Liu, X., Chen, H., Yao, M., Gault, B., Ponge, D., Raabe, D., Hirata, A., Chen, M., Wang, Y. & Lu, Z., 2017 Apr 27, In : Nature. 544, 7651, p. 460-464 5 p.

Research output: Contribution to journalArticle

Steel
Costs and Cost Analysis
Cobalt
Titanium
Aluminum
2016
79 Citations (Scopus)

3D Nanoporous Metal Phosphides toward High-Efficiency Electrochemical Hydrogen Production

Tan, Y., Wang, H., Liu, P., Cheng, C., Zhu, F., Hirata, A. & Chen, M., 2016 Apr 20, In : Advanced Materials. 28, 15, p. 2951-2955 5 p.

Research output: Contribution to journalArticle

Hydrogen production
Metals
Phosphorus
Leaching
Pore size
8 Citations (Scopus)

An ultrahigh volumetric capacitance of squeezable three-dimensional bicontinuous nanoporous graphene

Qiu, H. J., Chen, L. Y., Ito, Y., Kang, J. L., Guo, X. W., Liu, P., Kashani, H., Hirata, A., Fujita, T. & Chen, M. W., 2016 Nov 21, In : Nanoscale. 8, 43, p. 18551-18557 7 p.

Research output: Contribution to journalArticle

Graphite
Graphene
Capacitance
Heavy ions
Specific surface area
36 Citations (Scopus)

Atomic-scale disproportionation in amorphous silicon monoxide

Hirata, A., Kohara, S., Asada, T., Arao, M., Yogi, C., Imai, H., Tan, Y., Fujita, T. & Chen, M., 2016 May 13, In : Nature Communications. 7, 11591.

Research output: Contribution to journalArticle

Amorphous silicon
amorphous silicon
Silicon
Silicon Dioxide
silicon
70 Citations (Scopus)

Bicontinuous nanotubular graphene-polypyrrole hybrid for high performance flexible supercapacitors

Kashani, H., Chen, L., Ito, Y., Han, J., Hirata, A. & Chen, M., 2016 Jan 1, In : Nano Energy. 19, p. 391-400 10 p.

Research output: Contribution to journalArticle

Graphite
Polypyrroles
Graphene
Hybrid materials
Specific surface area
46 Citations (Scopus)

Chemical Vapor Deposition of Monolayer Mo1-xWxS2 Crystals with Tunable Band Gaps

Wang, Z., Liu, P., Ito, Y., Ning, S., Tan, Y., Fujita, T., Hirata, A. & Chen, M., 2016 Feb 22, In : Scientific Reports. 6, 21536.

Research output: Contribution to journalArticle

vapor deposition
crystals
low pressure
optoelectronic devices
Raman spectroscopy
9 Citations (Scopus)

Earth-Abundant and Durable Nanoporous Catalyst for Exhaust-Gas Conversion

Fujita, T., Abe, H., Tanabe, T., Ito, Y., Tokunaga, T., Arai, S., Yamamoto, Y., Hirata, A. & Chen, M., 2016 Mar 8, In : Advanced Functional Materials. 26, 10, p. 1609-1616 8 p.

Research output: Contribution to journalArticle

exhaust gases
Exhaust gases
Earth (planet)
catalysts
Catalysts
64 Citations (Scopus)

Effect of Chemical Doping on Cathodic Performance of Bicontinuous Nanoporous Graphene for Li-O2 Batteries

Han, J., Guo, X., Ito, Y., Liu, P., Hojo, D., Aida, T., Hirata, A., Fujita, T., Adschiri, T., Zhou, H. & Chen, M., 2016 Feb 4, In : Advanced Energy Materials. 6, 3, 1501870.

Research output: Contribution to journalArticle

Graphite
Graphene
Doping (additives)
Reaction kinetics
3 Citations (Scopus)

Graphene@Nanoporous Nickel Cathode for Li−O2 Batteries

Guo, X., Han, J., Liu, P., Ito, Y., Hirata, A. & Chen, M., 2016 Jan 1, In : ChemNanoMat. 2, 3, p. 176-181 6 p.

Research output: Contribution to journalArticle

Graphite
Nickel
Graphene
Cathodes
Secondary batteries
28 Citations (Scopus)

Hierarchical nanoporosity enhanced reversible capacity of bicontinuous nanoporous metal based Li-O 2 battery

Guo, X., Han, J., Liu, P., Chen, L., Ito, Y., Jian, Z., Jin, T., Hirata, A., Li, F., Fujita, T., Asao, N., Zhou, H. & Chen, M., 2016 Sep 19, In : Scientific Reports. 6, 33466.

Research output: Contribution to journalArticle

Gold
Cathodes
Porosity
Metals
Nanopores
37 Citations (Scopus)

Hierarchical structures of amorphous solids characterized by persistent homology

Hiraoka, Y., Nakamura, T., Hirata, A., Escolar, E. G., Matsue, K. & Nishiura, Y., 2016 Jun 28, In : Proceedings of the National Academy of Sciences of the United States of America. 113, 26, p. 7035-7040 6 p.

Research output: Contribution to journalArticle

Fused silica
Metallic glass
Diffraction
Glass
14 Citations (Scopus)

Initial Atomic Motion Immediately Following Femtosecond-Laser Excitation in Phase-Change Materials

Matsubara, E., Okada, S., Ichitsubo, T., Kawaguchi, T., Hirata, A., Guan, P. F., Tokuda, K., Tanimura, K., Matsunaga, T., Chen, M. W. & Yamada, N., 2016 Sep 21, In : Physical Review Letters. 117, 13, 135501.

Research output: Contribution to journalArticle

phase change materials
x ray lasers
data storage
free electron lasers
excitation
73 Citations (Scopus)

Intrinsic correlation between β-relaxation and spatial heterogeneity in a metallic glass

Zhu, F., Nguyen, H. K., Song, S. X., Aji, D. P. B., Hirata, A., Wang, H., Nakajima, K. & Chen, M. W., 2016 May 9, In : Nature Communications. 7, 11516.

Research output: Contribution to journalArticle

Metallic glass
metallic glasses
Glass
Amplitude modulation
Relaxation time
9 Citations (Scopus)

Non-aqueous nanoporous gold based supercapacitors with high specific energy

Hou, Y., Chen, L., Hirata, A., Fujita, T. & Chen, M., 2016 Apr 15, In : Scripta Materialia. 116, p. 76-81 6 p.

Research output: Contribution to journalArticle

electrochemical capacitors
polypyrroles
Polypyrroles
Gold
nonaqueous electrolytes
8 Citations (Scopus)

Unveiling Three-Dimensional Stacking Sequences of 1T Phase MoS2 Monolayers by Electron Diffraction

Wang, Z., Ning, S., Fujita, T., Hirata, A. & Chen, M., 2016 Nov 22, In : ACS Nano. 10, 11, p. 10308-10316 9 p.

Research output: Contribution to journalArticle

Electron diffraction
Transition metals
Monolayers
electron diffraction
transition metals
234 Citations (Scopus)

Versatile nanoporous bimetallic phosphides towards electrochemical water splitting

Tan, Y., Wang, H., Liu, P., Shen, Y., Cheng, C., Hirata, A., Fujita, T., Tang, Z. & Chen, M., 2016 Jul 1, In : Energy and Environmental Science. 9, 7, p. 2257-2261 5 p.

Research output: Contribution to journalArticle

catalyst
Catalysts
Water
Catalyst activity
Transition metal compounds