Akihiko Hirata – 研究成果 — 早稲田大学

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年別の研究成果

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173 Article
5 Conference contribution
2 Conference article
1 Chapter
その他

150 - 173 / 173 件

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2007
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.
研究成果: Article › 査読
10 被引用数 (Scopus)
Post-annealing recrystallization and damage recovery process in Fe ion implanted Si
Naito, M., Hirata, A., Ishimaru, M. & Hirotsu, Y., 2007 4月, 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.
研究成果: Article › 査読
Structural analysis of polycrystalline BiFeO₃ films by transmission electron microscopy
Naganuma, H., Kovacs, A., Hirata, A., Hirotsu, Y. & Okamura, S., 2007 9月, In: Materials Transactions. 48, 9, p. 2370-2373 4 p.
研究成果: Article › 査読
6 被引用数 (Scopus)
Voronoi analysis of the structure of Ni-Zr-Al ternary metallic glass
Fukunaga, T., Itoh, K., Otomo, T., Mori, K., Sugiyama, M., Kato, H., Hasegawa, M., Hirata, A., Hirotsu, Y. & Hannon, A. C., 2007 7月, In: Materials Transactions. 48, 7, p. 1698-1702 5 p.
研究成果: Article › 査読
36 被引用数 (Scopus)
2006
Application of energy-filtering TEM to the nanocrystallization process in amorphous Fe₈₄Nb₇B₉ alloy
Hirata, A. & Hirotsu, Y., 2006 5月, In: Journal of Materials Science. 41, 9, p. 2597-2600 4 p.
研究成果: Article › 査読
5 被引用数 (Scopus)
Characteristic features of the Fe7 Mo6 -type structure in a transition-metal alloy examined using transmission electron microscopy
Hirata, A., Iwai, A. & Koyama, Y., 2006, In: Physical Review B - Condensed Matter and Materials Physics. 74, 5, 054204.
研究成果: Article › 査読
14 被引用数 (Scopus)
Chemical short-range order in ion-beam-induced amorphous SiC: Irradiation temperature dependence
Ishimaru, M., Bae, I. T., Hirata, A., Hirotsu, Y., Valdez, J. A. & Sickafus, K. E., 2006 1月, In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 242, 1-2, p. 473-475 3 p.
研究成果: Article › 査読
12 被引用数 (Scopus)
Compositional dependence of local atomic structures in amorphous Fe100-x Bx (x=14,17,20) alloys studied by electron diffraction and high-resolution electron microscopy
Hirata, A., Hirotsu, Y., Ohkubo, T., Hanada, T. & Bengus, V. Z., 2006, In: Physical Review B - Condensed Matter and Materials Physics. 74, 21, 214206.
研究成果: Article › 査読
59 被引用数 (Scopus)
Local atomic ordering and nanoscale phase separation in a Pd-Ni-P bulk metallic glass
Hirotsu, Y., Nieh, T. G., Hirata, A., Ohkubo, T. & Tanaka, N., 2006 2月 27, In: Physical Review B - Condensed Matter and Materials Physics. 73, 1, 012205.
研究成果: Article › 査読
34 被引用数 (Scopus)
Local atomic structure of Pd-Ni-P bulk metallic glass examined by high-resolution electron microscopy and electron diffraction
Hirata, A., Hirotsu, Y., Ohkubo, T., Tanaka, N. & Nieh, T. G., 2006 8月, In: Intermetallics. 14, 8-9, p. 903-907 5 p.
研究成果: Article › 査読
41 被引用数 (Scopus)
Local structure studies of Fe-Nb-B metallic glasses using electron diffraction
Hirata, A., Hirotsu, Y., Ohkubo, T., Matsubara, E. & Makino, A., 2006 9月, In: Journal of Microscopy. 223, 3, p. 191-194 4 p.
研究成果: Article › 査読
10 被引用数 (Scopus)
Mechanism of nanocrystalline microstructure formation in amorphous Fe-Nb-B alloys
Hirata, A., Hirotsu, Y., Matsubara, E., Ohkubo, T. & Hono, K., 2006 11月 23, In: Physical Review B - Condensed Matter and Materials Physics. 74, 18, 184204.
研究成果: Article › 査読
36 被引用数 (Scopus)
Topological characterization of metallic glasses by neutron diffraction and RMC modeling
Fukunaga, T., Itoh, K., Otomo, T., Mori, K., Sugiyama, M., Kato, H., Hasegawa, M., Hirata, A., Hirotsu, Y. & Aoki, K., 2006 11月 27, In: Physica B: Condensed Matter. 385-386 I, p. 259-262 4 p.
研究成果: Article › 査読
12 被引用数 (Scopus)
Voronoi analysis of the structure of Cu-Zr and Ni-Zr metallic glasses
Fukunaga, T., Itoh, K., Otomo, T., Mori, K., Sugiyama, M., Kato, H., Hasegawa, M., Hirata, A., Hirotsu, Y. & Hannon, A. C., 2006 8月, In: Intermetallics. 14, 8-9, p. 893-897 5 p.
研究成果: Article › 査読
97 被引用数 (Scopus)
2005
Local atomic structures of amorphous Fe₈₀B₂₀ and Fe₇₀Nb₁₀B₂₀ alloys studied by electron diffraction
Hirata, A., Hirotsu, Y. & Matsubara, E., 2005 12月, In: Materials Transactions. 46, 12, p. 2781-2784 4 p.
研究成果: Article › 査読

Open Access
18 被引用数 (Scopus)
Volume swelling of amorphous SiC during ion-beam irradiation
Ishimaru, M., Bae, I. T., Hirata, A., Hirotsu, Y., Valdez, J. A. & Sickafus, K. E., 2005 7月 1, In: Physical Review B - Condensed Matter and Materials Physics. 72, 2, 024116.
研究成果: Article › 査読
42 被引用数 (Scopus)
2004
Crystallograghic correspondence between the bcc C14-type structures in the Fe-Ti alloy system
Hirata, A. & Koyama, Y., 2004 6月 15, In: Materials Science and Engineering A. 374, 1-2, p. 72-76 5 p.
研究成果: Article › 査読
3 被引用数 (Scopus)
Disordered atomic column state in Fe-Mo alloys
Hirata, A. & Koyama, Y., 2004 10月 1, In: Physical Review B - Condensed Matter and Materials Physics. 70, 13, p. 134203-1-134203-7 134203.
研究成果: Article › 査読
10 被引用数 (Scopus)
Kinetic process of the phase separation in the alloy Ni₃Al _0.52V_0.48
Tanimura, M., Hirata, A. & Koyama, Y., 2004 9月, In: Physical Review B - Condensed Matter and Materials Physics. 70, 9, p. 094111-1-094111-7 094111.
研究成果: Article › 査読
14 被引用数 (Scopus)
2003
Appearance of icosahedral atomic clusters in the formation of the (formula presented)-type structure from the bcc structure in Ti-Cr alloys
Hirata, A., Koyama, Y. & Tanimura, M., 2003 4月 29, In: Physical Review B - Condensed Matter and Materials Physics. 67, 14
研究成果: Article › 査読
Appearance of icosahedral atomic clusters in the formation of the MgCu₂-type structure from the bcc structure in Ti-Cr alloys
Hirata, A., Koyama, Y. & Tanimura, M., 2003 4月 1, In: Physical Review B - Condensed Matter and Materials Physics. 67, 14, p. 1441071-1441079 9 p., 144107.
研究成果: Article › 査読
7 被引用数 (Scopus)
2002
New chemical layered structure in Ti-Cr alloys
Hirata, A., Tanimura, M. & Koyama, Y., 2002 7月, In: Materials Transactions. 43, 7, p. 1689-1695 7 p.
研究成果: Article › 査読

Open Access
3 被引用数 (Scopus)
2001
Nanometer-size polycrystallization in bcc → hcp + C15 structural change of a Ti-30 mol%Cr alloy
Hirata, A., Tanimura, M. & Koyama, Y., 2001 12月, In: Materials Transactions. 42, 12, p. 2553-2558 6 p.
研究成果: Article › 査読

Open Access
4 被引用数 (Scopus)