Department of Materials Science and Engineering

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2006

Study of a new split-type magnetizing coil and pulsed field magnetization of Gd-Ba-Cu-O high-temperature superconducting bulk for rotating machinery application

Morita, E., Matsuzaki, H., Kimura, Y., Ogata, H., Izumi, M., Ida, T., Murakami, M., Sugimoto, H. & Miki, M., 2006 Nov 1, In : Superconductor Science and Technology. 19, 12, p. 1259-1263 5 p., 006.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Study of single pulsed-field magnetization of Gd-Ba-Cu-O bulk high-temperature superconductor with a split type of armature coil for rotating machinery

Morita, E., Matsuzaki, H., Kimura, Y., Ohtani, I., Ogata, H., Izumi, M., Nonaka, Y., Murakami, M., Ida, T., Sugimoto, H., Miki, M. & Kitano, M., 2006 Jul, In : Superconductor Science and Technology. 19, 7, p. S486-S490

Research output: Contribution to journalArticle

10 Citations (Scopus)

Superior growth orientation control via ZnO doping of large-grain LRE-Ba2Cu3Oy compounds grown with MgO seeds

Muralidhar, M., Kono, T., Jirsa, M., Sakai, N., Murakami, M. & Hirabayashi, I., 2006 Jul 1, In : Superconductor Science and Technology. 19, 7, p. S550-S555

Research output: Contribution to journalArticle

2 Citations (Scopus)

Thermal conductivity and thermoelectric power of DyBaCuO bulk superconductors

Fujishiro, H., Nariki, S. & Murakami, M., 2006 Jul 1, In : Superconductor Science and Technology. 19, 7, p. S447-S450

Research output: Contribution to journalArticle

12 Citations (Scopus)

Vortex pinning by nanoparticles in melt-textured LREBa2Cu 3Oy

Jirsa, M., Muralidhar, M. & Murakami, M., 2006 Jun 1, In : Journal of Physics: Conference Series. 43, 1, p. 409-412 4 p., 102.

Research output: Contribution to journalArticle

ZnO doping effects in melt-textured (Nd0.33Eu 0.39Gd0.27)Ba2Cu3Oy grown from MgO seed

Muralidhar, M., Kono, T., Jirsa, M., Sakai, N., Murakami, M. & Hirabayashi, I., 2006 Jun 1, In : Superconductor Science and Technology. 19, 6, p. L25-L28

Research output: Contribution to journalArticle

7 Citations (Scopus)
2005

Angular dependence of the peak effect and out-of-plane modulated compositional order in melt-processed (Sm, Eu, Gd)Ba2Cu 3O7-δ superconductors

Hu, A., Chikumoto, N., Zhou, H., Sakai, N., Murakami, M. & Hirabayshi, I., 2005 Feb 1, In : Superconductor Science and Technology. 18, 2, p. S131-S135

Research output: Contribution to journalArticle

1 Citation (Scopus)

Application of superconducting magnetic bearings to a 10 kWh-class flywheel energy storage system

Ichihara, T., Matsunaga, K., Kita, M., Hirabayashi, I., Isono, M., Hirose, M., Yoshii, K., Kurihara, K., Saito, O., Saito, S., Murakami, M., Takabayashi, H., Natsumeda, M. & Koshizuka, N., 2005 Jun 1, In : IEEE Transactions on Applied Superconductivity. 15, 2 PART II, p. 2245-2248 4 p.

Research output: Contribution to journalArticle

59 Citations (Scopus)

Corrosion monitoring technique and surface observation method in atmospheric corrosion evaluation

Noda, K., Katayama, H., Masuda, H., Ono, T. & Tahara, A., 2005 Aug, In : Zairyo to Kankyo/ Corrosion Engineering. 54, 8, p. 368-374 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Effect of metal ring setting outside HTSC bulk disk on trapped field and temperature rise in pulse field magnetizing

Fujishiro, H., Yokoyama, K., Kaneyama, M., Oka, T. & Noto, K., 2005 Jun, In : IEEE Transactions on Applied Superconductivity. 15, 2 PART III, p. 3762-3765 4 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Interaction of multiple iron balls in magnetic fields

Murakami, M., Nishimura, Y., Hirooka, T., Sasaki, S. & Yagi, I., 2005 Apr 27, In : Journal of Applied Physics. 97, 8, 083911.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Interplay of YBCO and embedded 211 particles in melt-textured YBCO superconductors

Koblischka-Veneva, A., Koblischka, M. R., Ogasawara, K., Mücklich, F. & Murakami, M., 2005 Aug, In : Journal of Superconductivity. 18, 4, p. 469-474 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Irreversible field determined by pulsed magnetization and compositional fluctuation of melt-processed (Sm, Eu, Gd)Ba2Cu3O 7-δ superconductors

Hu, A., Kono, T., Zhou, H., Iida, K., Nakao, K., Sakai, N., Koshizuka, N., Murakami, M. & Hirabayashi, I., 2005 Jan 1, In : Superconductor Science and Technology. 18, 1, p. 58-63 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Measurements of three-dimensional fields of bulk superconductors in varying external fields

Yamachi, N., Sakai, N., Sawa, K. & Murakami, M., 2005 Feb 1, In : Superconductor Science and Technology. 18, 2, p. S67-S71

Research output: Contribution to journalArticle

4 Citations (Scopus)

Mechanism of a high irreversibility field for (Nd, Eu,Gd)Ba 2Cu3O7 bulk

Awaji, S., Isono, N., Watanabe, K., Muralidhar, M., Murakami, M., Koshizuka, N. & Noto, K., 2005 Jun, In : IEEE Transactions on Applied Superconductivity. 15, 2 PART III, p. 3786-3789 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Melt-processed Gd-Ba-Cu-O superconductor with trapped field of 3 T at 77 K

Nariki, S., Sakai, N. & Murakami, M., 2005 Feb 1, In : Superconductor Science and Technology. 18, 2, p. S126-S130

Research output: Contribution to journalArticle

143 Citations (Scopus)

Nanoscale flux pinning sites in high-Tc superconductors

Koblischka, M. R., Winter, M., Hu, A., Muralidhar, M., Hartmann, U. & Murakami, M., 2005 Nov 7, In : Physica Status Solidi C: Conferences. 2, 5, p. 1720-1725 6 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Nanoscale Gd2BaCuO5 particles in (Sm 0.33Eu0.33Gd0.33)Ba2Cu 3Oy and magnetic levitation at 90.2 K

Muralidhar, M., Sakai, N., Jirsa, M., Murakami, M. & Koshizuka, N., 2005 Mar 1, In : Superconductor Science and Technology. 18, 3, p. L9-L12

Research output: Contribution to journalArticle

10 Citations (Scopus)

OIM and X-ray texture analysis of melt-textured YBCO super-conductors

Koblischka-Veneva, A., Koblischka, M. R., Mücklich, F. & Murakami, M., 2005 Nov 8, In : Physica Status Solidi C: Conferences. 2, 5, p. 1708-1713 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Orientation of embedded y2BaCuO5 particles within the YBa2Cu3Ox matrix in melt-textured YBCO superconductors

Koblischka-Veneva, A., Koblischka, M. R., Hari Babu, N., Cardwell, D. A., Mücklich, F. & Murakami, M., 2005 Nov 8, In : Physica Status Solidi C: Conferences. 2, 5, p. 1714-1719 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Processing of high-performance (Gd, Y)-Ba-Cu-O bulk superconductors with fine RE211 pinning centers

Nariki, S., Sakai, N., Murakami, M. & Hirabayashi, I., 2005 Jun 1, In : IEEE Transactions on Applied Superconductivity. 15, 2 PART III, p. 3110-3113 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Spatial inhomogeneities of Gd-Ba-Cu-O bulk superconductors evaluated by different Hall probe scanning methods

Kono, T., Sakai, N., Nariki, S., Hirabayashi, I., Murakami, M. & Koshizuka, N., 2005 Jun 1, In : IEEE Transactions on Applied Superconductivity. 15, 2 PART III, p. 3640-3643 4 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Superconducting levitation at 90 K - A base for construction of non-contact liquid oxygen pumps

Muralidhar, M., Sakai, N., Jirsa, M., Murakami, M. & Koshizuka, N., 2005 Feb 1, In : Superconductor Science and Technology. 18, 2, p. S47-S51

Research output: Contribution to journalArticle

2 Citations (Scopus)

Synthesis of Ni nanowire-encapsulated carbon nanotubes

Tanemura, M., Iwata, K., Wakasugi, K., Yamamoto, Y., Fujimoto, Y., Miao, L., Tanemura, S. & Morishima, R., 2005 Apr, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 44, 4 A, p. 1577-1580 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
1 Citation (Scopus)

The development of melt-processed (Sm, Eu, Gd)Ba2Cu 3O7-δ single-domain superconductors for high field applications

Hu, A., Sakai, N., Murakami, M. & Hirabayashi, I., 2005 Feb 1, In : Superconductor Science and Technology. 18, 2, p. S52-S57

Research output: Contribution to journalArticle

6 Citations (Scopus)

The effect of Gd2BaCuO5 nanoparticles on irreversibility fields of (Nd-Sm-Gd)Ba2Cu3O 7-δ

Okram, G. S., Muralidhar, M. & Murakami, M., 2005 Aug 1, In : Superconductor Science and Technology. 18, 8, p. 1060-1064 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2 Citations (Scopus)
2004

Air processing of ternary (Sm,Eu,Gd)Ba2Cu3O 7-δ superconductors with enhanced peak effects

Hu, A., Sakai, N., Zhou, H., Inoue, K., Chikumoto, N. & Murakami, M., 2004 Feb 1, In : Physica C: Superconductivity and its applications. 402, 1-2, p. 127-135 9 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Alternative sol-gel method applied to TiO2 coating on Al scale fiber

Miao, L., Tanemura, S., Nguyen, T. H., Luo, L., Tanemura, M., Toh, S., Kaneko, K. & Kawasaki, M., 2004 Dec, In : Journal of Materials Science and Technology. 20, SUPPL., p. 89-92 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Applications of bulk high-temperature superconductors

Hull, J. R. & Murakami, M., 2004 Oct, In : Proceedings of the IEEE. 92, 10, p. 1705-1717 13 p.

Research output: Contribution to journalArticle

136 Citations (Scopus)

Bose glass state in bulk (Nd,Eu,Gd)Ba2Cu3O x with a high irreversibility field

Awaji, S., Isono, N., Watanabe, K., Murakami, M., Muralidhar, M., Koshizuka, N. & Noto, K., 2004 Jun 1, In : Physical Review B - Condensed Matter and Materials Physics. 69, 21, p. 214522-1-214522-4 214522.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Construction of the stator installed in the superconducting magnetic bearing for a 10 kWh flywheel

Koshizuka, N., Matsunaga, K., Yamachi, N., Kawaji, A., Hirabayashi, H., Murakami, M., Tomita, M., Une, S., Saito, S., Isono, M., Nasu, H., Maeda, T. & Ishikawa, F., 2004 Oct 1, In : Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 756-760 5 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Contact characteristics for bulk superconductors

Yamamoto, N., Imaizumi, T., Sawa, K., Tomita, M., Murakami, M. & Hirabayashi, I., 2004 Oct 1, In : Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 662-667 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Copper sheath MgB2 wires fabricated by an in situ PIT method

Shimura, S., Machi, T., Murakami, M., Koshizuka, N., Mochizuki, K., Ishikawa, I. & Shibata, N., 2004 Oct 1, In : Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 1179-1183 5 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Critical current density and trapped field properties of Ho-Ba-Cu-O bulk superconductors

Tanaka, H., Nariki, S., Sakai, N., Murakami, M., Hirabayashi, I. & Takizawa, T., 2004 Sep, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 68, 9, p. 693-697 5 p.

Research output: Contribution to journalArticle

Open Access

Deformation and fracture behavior of Sm123 bulk superconductors by compressive loading at room temperature

Kan, R., Katagiri, K., Murakami, A., Kasaba, K., Shoji, Y., Noto, K., Sakai, N. & Murakami, M., 2004 Jun 1, In : IEEE Transactions on Applied Superconductivity. 14, 2, p. 1114-1117 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Direct observation and analysis of nanoscale precipitates in (Sm,Eu,Gd)Ba2Cu3Oy

Muralidhar, M., Sakai, N., Jirsa, M., Koshizuka, N. & Murakami, M., 2004 Oct 18, In : Applied Physics Letters. 85, 16, p. 3504-3506 3 p.

Research output: Contribution to journalArticle

47 Citations (Scopus)

Effect of BaO2 addition on superconducting properties of melt-processed (Sm, Eu, Gd)Ba2Cu3O7-δ superconductors

Hu, A., Zhou, H., Nariki, S., Sakai, N., Murakami, M. & Hirabayashi, I., 2004 Mar 1, In : Superconductor Science and Technology. 17, 3, p. 545-548 4 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Effect of nanoscopic ZrO2 particles on flux pinning in (Nd, Eu, Gd)-123/Gd-211 composites

Muralidhar, M., Sakai, N., Jirsa, M., Murakami, M. & Koshizuka, N., 2004 Oct 1, In : Superconductor Science and Technology. 17, 10, p. 1129-1132 4 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Effects of Dy2BaCuO5 contents on microstructure and mechanical strength of Ag-added Dy-Ba-Cu-O bulk superconductors

Nariki, S., Sakai, N., Murakami, M. & Hirabayashi, I., 2004 Oct 1, In : Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 651-656 6 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)
7 Citations (Scopus)

Enhanced critical current density in the BSCCO single crystal grown by the traveling solvent floating zone method

Chikumoto, N., Furusawa, K. & Murakami, M., 2004 Oct 1, In : Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 463-466 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Field trapping and shielding measurements within a cylindrical hole in a block of Sm-Ba-Cu-O bulk superconductor

Masuzawa, M., Egawa, K., Murakami, M., Nakayama, H., Tsuchiya, K. & Yamaguchi, K., 2004 Jun 1, In : IEEE Transactions on Applied Superconductivity. 14, 2, p. 1267-1270 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Flux motion in Y-Ba-Cu-O bulk superconductors during pulse field magnetization

Yoshizawa, K., Nariki, S., Sakai, N., Murakami, M., Hirabayasi, I. & Takizawa, T., 2004 Feb 1, In : Superconductor Science and Technology. 17, 2, p. S74-S78

Research output: Contribution to journalArticle

Flux motion studies by means of temperature measurement in magnetizing processes for HTSC bulks

Fujishiro, H., Oka, T., Yokoyama, K., Kaneyama, M. & Noto, K., 2004 Jun, In : IEEE Transactions on Applied Superconductivity. 14, 2, p. 1054-1057 4 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Fracture toughness of Sm123 bulk superconductors evaluated by tensile and bending tests

Katagiri, K., Murakami, A., Okudera, T., Yoshino, Y., Iwabuchi, A., Noto, K., Sakai, N. & Murakami, M., 2004 Jun 1, In : IEEE Transactions on Applied Superconductivity. 14, 2, p. 1046-1049 4 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Fracture toughness of SmBaCuO bulk superconductors at cryogenic temperatures

Yoshino, Y., Iwabuchi, A., Takahashi, N., Katagiri, K., Noto, K., Sakai, N. & Murakami, M., 2004 Jun 1, In : IEEE Transactions on Applied Superconductivity. 14, 2, p. 1118-1121 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

High critical current density in RE-Ba-Cu-O bulk superconductors with very fine RE2BaCuO5 particles

Nariki, S., Sakai, N., Murakami, M. & Hirabayashi, I., 2004 Oct 1, In : Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 557-565 9 p.

Research output: Contribution to journalArticle

58 Citations (Scopus)

High critical current density in Y-Ba-Cu-O bulk superconductors with very fine Y211 particles

Nariki, S., Sakai, N., Murakami, M. & Hirabayashi, I., 2004 Feb 1, In : Superconductor Science and Technology. 17, 2, p. S30-S35

Research output: Contribution to journalArticle

65 Citations (Scopus)