• 9666 Citations
  • 46 h-Index
20012020

Research output per year

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Research Output

Modulated Na2Ti4O9:Zr nanobelt via site-specific Zr doping

He, X., Wang, Z., Hirata, A., Gu, L., Chen, M. & Duan, X., 2011 Aug 1, In : Applied Physics Express. 4, 8, 085003.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Monolayer MoS 2 films supported by 3D nanoporous metals for high-effi ciency electrocatalytic hydrogen production

Tan, Y., Liu, P., Chen, L., Cong, W., Ito, Y., Han, J., Guo, X., Tang, Z., Fujita, T., Hirata, A. & Chen, M. W., 2014 Jan 1, In : Advanced Materials. 26, 47, p. 8023-8028 6 p.

Research output: Contribution to journalArticle

200 Citations (Scopus)

Mössbauer study of ultrathin FeAl multilayer films

Kaptás, D., Balogh, J., Kemény, T., Kiss, L. F., Bujdosó, L., Kovács, A., Hirata, A. & Vincze, I., 2007, In : Physical Review B - Condensed Matter and Materials Physics. 75, 1, 014417.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Nanocrystallization of complex Fe23B6-type structure in glassy Fe-Co-B-Si-Nb alloy

Hirata, A., Hirotsu, Y., Amiya, K., Nishiyama, N. & Inoue, A., 2008 Apr 1, In : Intermetallics. 16, 4, p. 491-497 7 p.

Research output: Contribution to journalArticle

47 Citations (Scopus)

Nanometer-sized domain structures in LuFeMO4 (M = Cu, Co) revealed by energy-filtered transmission electron microscopy

Matuso, Y., Hirata, A., Horibe, Y., Yoshii, K., Ikeda, N. & Mori, S., 2009 Dec 1, In : Ferroelectrics. 380, 1 PART 1, p. 56-62 7 p.

Research output: Contribution to journalConference article

4 Citations (Scopus)

Nanometer-size polycrystallization in bcc → hcp + C15 structural change of a Ti-30 mol%Cr alloy

Hirata, A., Tanimura, M. & Koyama, Y., 2001 Dec, In : Materials Transactions. 42, 12, p. 2553-2558 6 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

Nanoporous gold based optical sensor for sub-ppt detection of mercury ions

Zhang, L., Chang, H., Hirata, A., Wu, H., Xue, Q. K. & Chen, M., 2013 May 28, In : ACS Nano. 7, 5, p. 4595-4600 6 p.

Research output: Contribution to journalArticle

147 Citations (Scopus)

Nanoporous Graphene with Single-Atom Nickel Dopants: An Efficient and Stable Catalyst for Electrochemical Hydrogen Production

Qiu, H. J., Ito, Y., Cong, W., Tan, Y., Liu, P., Hirata, A., Fujita, T., Tang, Z. & Chen, M., 2015 Nov 16, In : Angewandte Chemie - International Edition. 54, 47, p. 14031-14035 5 p.

Research output: Contribution to journalArticle

300 Citations (Scopus)

Nanoporous metal/oxide hybrid electrodes for electrochemical supercapacitors

Lang, X., Hirata, A., Fujita, T. & Chen, M., 2011 Apr, In : Nature Nanotechnology. 6, 4, p. 232-236 5 p.

Research output: Contribution to journalArticle

1479 Citations (Scopus)

Nanoporous metal/oxide hybrid materials for rechargeable lithium-oxygen batteries

Chen, L. Y., Guo, X. W., Han, J. H., Liu, P., Xu, X. D., Hirata, A. & Chen, M. W., 2015 Feb 21, In : Journal of Materials Chemistry A. 3, 7, p. 3620-3626 7 p.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Nanoporous metal enhanced catalytic activities of amorphous molybdenum sulfide for high-efficiency hydrogen production

Ge, X., Chen, L., Zhang, L., Wen, Y., Hirata, A. & Chen, M., 2014 May 21, In : Advanced Materials. 26, 19, p. 3100-3104 5 p.

Research output: Contribution to journalArticle

161 Citations (Scopus)

Nanoporous Metal Papers for Scalable Hierarchical Electrode

Fujita, T., Kanoko, Y., Ito, Y., Chen, L., Hirata, A., Kashani, H., Iwatsu, O. & Chen, M., 2015 Jan 1, In : Advanced Science. 2, 8, 1500086.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Nanoporous PdNi bimetallic catalyst with enhanced electrocatalytic performances for electro-oxidation and oxygen reduction reactions

Chen, L., Guo, H., Fujita, T., Hirata, A., Zhang, W., Inoue, A. & Chen, M., 2011 Nov 22, In : Advanced Functional Materials. 21, 22, p. 4364-4370 7 p.

Research output: Contribution to journalArticle

206 Citations (Scopus)

Nanoscale metastable state exhibiting pseudotenfold diffraction pattern in Fe-based bulk metallic glass

Hirata, A., Hirotsu, Y., Amiya, K. & Inoue, A., 2009 Jan 5, In : Physical Review B - Condensed Matter and Materials Physics. 79, 2, 020205.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Nanoscale phase separation in a fcc-based CoCrCuFeNiAl0.5 high-entropy alloy

Xu, X. D., Liu, P., Guo, S., Hirata, A., Fujita, T., Nieh, T. G., Liu, C. T. & Chen, M. W., 2015 Feb 1, In : Acta Materialia. 84, p. 145-152 8 p.

Research output: Contribution to journalArticle

116 Citations (Scopus)

Nanovoid formation through the annealing of amorphous Al2O 3 and WO3 films

Nakamura, R., Shudo, T., Hirata, A., Ishimaru, M. & Nakajima, H., 2011 Jan, In : Scripta Materialia. 64, 2, p. 197-200 4 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

New chemical layered structure in Ti-Cr alloys

Hirata, A., Tanimura, M. & Koyama, Y., 2002 Jul, In : Materials Transactions. 43, 7, p. 1689-1695 7 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

Ni thin films vacuum-evaporated on polyethylene naphthalate substrates with and without the application of magnetic field

Kaiju, H., Ono, A., Kawaguchi, N., Kondo, K., Ishibashi, A., Won, J., Hirata, A., Ishimaru, M. & Hirotsu, Y., 2009 Jan 1, In : Applied Surface Science. 255, 6, p. 3706-3712 7 p.

Research output: Contribution to journalArticle

10 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

24 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

9 Citations (Scopus)

On-Chip Micro-Pseudocapacitors for Ultrahigh Energy and Power Delivery

Han, J., Lin, Y. C., Chen, L., Tsai, Y. C., Ito, Y., Guo, X., Hirata, A., Fujita, T., Esashi, M., Gessner, T. & Chen, M., 2015 Jan 1, In : Advanced Science. 2, 5, 1500067.

Research output: Contribution to journalArticle

42 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

9 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

20 Citations (Scopus)

Operando Observations of SEI Film Evolution by Mass-Sensitive Scanning Transmission Electron Microscopy

Hou, C., Han, J., Liu, P., Yang, C., Huang, G., Fujita, T., Hirata, A. & Chen, M., 2019 Dec 1, In : Advanced Energy Materials. 9, 45, 1902675.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Origin of ferromagnetism and oxygen-vacancy ordering induced cross-controlled magnetoelectric effects at room temperature

Wei, X. K., Zou, T., Wang, F., Zhang, Q. H., Sun, Y., Gu, L., Hirata, A., Chen, M. W., Yao, Y., Jin, C. Q. & Yu, R. C., 2012 Apr 1, In : Journal of Applied Physics. 111, 7, 073904.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Persistent homology and many-body atomic structure for medium-range order in the glass

Nakamura, T., Hiraoka, Y., Hirata, A., Escolar, E. G. & Nishiura, Y., 2015 Jul 31, In : Nanotechnology. 26, 30, 304001.

Research output: Contribution to journalArticle

33 Citations (Scopus)

Post-annealing recrystallization and damage recovery process in Fe ion implanted Si

Naito, M., Hirata, A., Ishimaru, M. & Hirotsu, Y., 2007 Apr 1, In : Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 257, 1-2 SPEC. ISS., p. 340-343 4 p.

Research output: Contribution to journalArticle

Quasicrystal-like structure and its crystalline approximant in an Fe 48Cr15Mo14C15B6Tm 2 bulk metallic glass

Hirata, A., Hirotsu, Y., Amiya, K. & Inoue, A., 2010 Aug 1, In : Journal of Alloys and Compounds. 504, SUPPL. 1, p. S186-S189

Research output: Contribution to journalArticle

10 Citations (Scopus)

Raman characterization of pseudocapacitive behavior of polypyrrole on nanoporous gold

Hou, Y., Zhang, L., Chen, L. Y., Liu, P., Hirata, A. & Chen, M. W., 2014 Feb 28, In : Physical Chemistry Chemical Physics. 16, 8, p. 3523-3528 6 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Role of the triclinic Al2Fe structure in the formation of the Al5Fe2-approximant

Hirata, A., Mori, Y., Ishimaru, M. & Koyama, Y., 2008 Jul 1, In : Philosophical Magazine Letters. 88, 7, p. 491-500 10 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Sample size induced brittle-to-ductile transition of single-crystal aluminum nitride

Guo, J. J., Madhav Reddy, K., Hirata, A., Fujita, T., Gazonas, G. A., McCauley, J. W. & Chen, M. W., 2015 Apr 15, In : Acta Materialia. 88, p. 252-259 8 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Self-grown oxy-hydroxide@nanoporous metal electrode for high-performance supercapacitors

Kang, J., Hirata, A., Qiu, H. J., Chen, L., Ge, X., Fujita, T. & Chen, M., 2014 Jan 15, In : Advanced Materials. 26, 2, p. 269-272 4 p.

Research output: Contribution to journalArticle

127 Citations (Scopus)

Shear amorphization of boron suboxide

Madhav Reddy, K., Hirata, A., Liu, P., Fujita, T., Goto, T. & Chen, M. W., 2014 Apr, In : Scripta Materialia. 76, p. 9-12 4 p.

Research output: Contribution to journalArticle

30 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

18 Citations (Scopus)

Specific surface effect on transport properties of NiO/MgO heterostructured nanowires

Oka, K., Yanagida, T., Nagashima, K., Tanaka, H., Seki, S., Honsho, Y., Ishimaru, M., Hirata, A. & Kawai, T., 2009 Oct 12, In : Applied Physics Letters. 95, 13, 133110.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Structural analysis of polycrystalline BiFeO3 films by transmission electron microscopy

Naganuma, H., Kovacs, A., Hirata, A., Hirotsu, Y. & Okamura, S., 2007 Sep, In : Materials Transactions. 48, 9, p. 2370-2373 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Structural origins of the excellent glass forming ability of Pd 40Ni 40P 20

Guan, P. F., Fujita, T., Hirata, A., Liu, Y. H. & Chen, M. W., 2012 Apr 24, In : Physical Review Letters. 108, 17, 175501.

Research output: Contribution to journalArticle

77 Citations (Scopus)

Structure analyses of fe-based metallic glasses by electron diffraction

Hirata, A. & Hirotsu, Y., 2010 Dec 1, In : Materials. 3, 12, p. 5263-5273 11 p.

Research output: Contribution to journalArticle

8 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

41 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

5 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

4 Citations (Scopus)

Surface and interface structures and magnetic properties of Ni and Ni 75Fe25 thin films on polyethylene naphthalate Organic Substrates

Kaiju, H., Basheer, N., Abe, T., Kondo, K., Hirata, A., Ishimaru, M., Hirotsu, Y. & Ishibashi, A., 2011 Aug 26, In : Journal of the Vacuum Society of Japan. 54, 3, p. 203-206 4 p.

Research output: Contribution to journalArticle

Synergistic alloying effect on microstructural evolution and mechanical properties of Cu precipitation-strengthened ferritic alloys

Wen, Y. R., Li, Y. P., Hirata, A., Zhang, Y., Fujita, T., Furuhara, T., Liu, C. T., Chiba, A. & Chen, M. W., 2013 Dec 1, In : Acta Materialia. 61, 20, p. 7726-7740 15 p.

Research output: Contribution to journalArticle

43 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

27 Citations (Scopus)

TEM analysis on nanovoid formation in annealed amorphous oxides

Nakamura, R., Shudo, T., Hirata, A., Ishimaru, M. & Nakajima, H., 2011 Jan 1, Eco-Materials Processing and Design XII. Trans Tech Publications Ltd, p. 541-544 4 p. (Materials Science Forum; vol. 695).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Temperature-dependent compression behavior of an Al0.5CoCrCuFeNi high-entropy alloy

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

Research output: Contribution to journalArticle

3 Citations (Scopus)

TEM studies on RMnO3 multiferroic materials

Zhang, Q. H., Wang, L. J., Wei, X. K., Guo, S. D., Ge, B. H., Chen, P., Gu, L., Hirata, A., Chen, M. W., Jin, C. Q., Liu, B. G., Yao, Y., Wang, Y. G., Duan, X. F. & Yu, R. C., 2013, 8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8. John Wiley and Sons Inc., p. 3347-3354 8 p. (8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8; vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

The fabrication of Ni quantum cross devices with a 17nm junction and their current-voltage characteristics

Kaiju, H., Kondo, K., Ono, A., Kawaguchi, N., Won, J., Hirata, A., Ishimaru, M., Hirotsu, Y. & Ishibashi, A., 2010 Jan 1, In : Nanotechnology. 21, 1, 015301.

Research output: Contribution to journalArticle

4 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

40 Citations (Scopus)

Three-dimensional hierarchical nanoporosity for ultrahigh power and excellent cyclability of electrochemical pseudocapacitors

Lang, X., Hirata, A., Fujita, T. & Chen, M., 2014 Jul 15, In : Advanced Energy Materials. 4, 10, 1301809.

Research output: Contribution to journalArticle

23 Citations (Scopus)