High-Tc phase promoted and stabilized in the Bi, Pb-Sr-Ca-Cu-O system M Takano, J Takada, K Oda, H Kitaguchi, Y Miura, Y Ikeda, Y Tomii, ...
Japanese journal of applied physics 27 (6A), L1041, 1988
1039 1988 Effect of aromatic hydrocarbon addition on in situ powder-in-tube processed MgB2 tapes H Yamada, M Hirakawa, H Kumakura, H Kitaguchi
Superconductor Science and Technology 19 (2), 175, 2006
191 2006 Effect of SiO2 and SiC doping on the powder-in-tube processed MgB2 tapes A Matsumoto, H Kumakura, H Kitaguchi, H Hatakeyama
Superconductor Science and Technology 16 (8), 926, 2003
187 2003 Evaluation of connectivity, flux pinning, and upper critical field contributions to the critical current density of bulk pure and SiC-alloyed MgB2 A Matsumoto, H Kumakura, H Kitaguchi, BJ Senkowicz, MC Jewell, ...
Applied physics letters 89 (13), 2006
176 2006 Upper critical fields of powder-in-tube-processed tape conductors H Kumakura, H Kitaguchi, A Matsumoto, H Hatakeyama
Applied physics letters 84 (18), 3669-3671, 2004
175 2004 MgB2 films with very high critical current densities due to strong grain boundary pinning H Kitaguchi, A Matsumoto, H Kumakura, H Yamamoto, K Saitoh, H Sosiati, ...
Applied physics letters 85 (14), 2842-2844, 2004
156 2004 The high-Tc phase with a new modulation mode in the Bi, Pb-Sr-Ca-Cu-O system Y Ikeda, M Takano, Z Hiroi, K Oda, H Kitaguchi, J Takada, Y Miura, ...
Japanese journal of applied physics 27 (11A), L2067, 1988
120 1988 Critical current densities of powder-in-tube tapes fabricated with nanometer-size Mg powder H Yamada, M Hirakawa, H Kumakura, A Matsumoto, H Kitaguchi
Applied physics letters 84 (10), 1728-1730, 2004
108 2004 Crystallization behavior and partially melted states in Bi-Sr-Ca-Cu-O Y Oka, N Yamamoto, H Kitaguchi, K Oda, J Takada
Japanese journal of applied physics 28 (2A), L213, 1989
104 1989 Phase diagram studies of the BiO1. 5PbOSrOCaOCuO system and the formation process of the “2223 (high-Tc)” phase Y Ikeda, H Ito, S Shimomura, Z Hiroi, M Takano, Y Bando, J Takada, ...
Physica C: Superconductivity 190 (1-2), 18-21, 1991
90 1991 Improvement of reproducibility of high transport Jc for Bi2Sr2CaCu2Oy/Ag tapes by controlling Bi content J Shimoyama, N Tomita, T Morimoto, H Kitaguchi, H Kumakura, K Togano, ...
Japanese journal of applied physics 31 (9B), L1328, 1992
82 1992 Status and perspective of the Nb3Al development T Takeuchi, A Kikuchi, N Banno, H Kitaguchi, Y Iijima, K Tagawa, ...
Cryogenics 48 (7-8), 371-380, 2008
80 2008 Upper critical field, irreversibility field, and critical current density of powder-in-tube-processed MgB2/Fe tapes H Kumakura, H Kitaguchi, A Matsumoto, H Yamada
Superconductor Science and Technology 18 (8), 1042, 2005
80 2005 Bi2Sr2CaCu2Ox/Ag multilayer tapes with Jc> 500 000 A/cm2 at 4.2 K and 10 T by using pre-annealing and intermediate rolling process H Miao, H Kitaguchi, H Kumakura, K Togano, T Hasegawa, T Koizumi
Physica C: Superconductivity 303 (1-2), 81-90, 1998
78 1998 Fabrication conditions and superconducting properties of Ag‐sheathed Bi‐Sr‐Ca‐Cu‐O tapes prepared by partial melting and slow cooling process K Nomura, M Seido, H Kitaguchi, H Kumakura, K Togano, H Maeda
Applied physics letters 62 (17), 2131-2133, 1993
77 1993 Effect of high‐energy ion irradiation and electron irradiation on textured Bi2 Sr2 CaCu2 Ox —180‐MeV Cu11+ and Br11+ irradiations and 3‐MeV electron … H Kumakura, H Kitaguchi, K Togano, H Maeda, J Shimoyama, S Okayasu, ...
Journal of applied physics 74 (1), 451-457, 1993
75 1993 Microstructure and superconducting properties of powder-in-tube processed MgB2 tapes H Kumakura, A Matsumoto, H Fujii, H Kitaguchi, K Togano
Physica C: Superconductivity 382 (1), 93-97, 2002
73 2002 Strain effect in Bi-based oxide/Ag superconducting tapes H Kitaguchi, K Itoh, H Kumakura, T Takeuchi, K Togano, H Wada
IEEE Transactions on applied superconductivity 11 (1), 3058-3061, 2001
72 2001 Effect of high oxygen partial pressure heat treatment on the superconducting properties of Bi2 Sr2 CaCu2 Ox /Ag tapes H Kumakura, H Kitaguchi, K Togano, N Sugiyama
Journal of applied physics 80 (9), 5162-5168, 1996
72 1996 Crystalline phases formed in the partially melted states of Bi-Sr-Ca-Cu-O Y Oka, N Yamamoto, Y Tomii, H Kitaguchi, K Oda, J Takada
Japanese Journal of Applied Physics 28 (5A), L801, 1989
72 1989