High transport critical current density obtained for powder-in-tube-processed tapes and wires using stainless steel and Cu–Ni tubes H Kumakura, A Matsumoto, H Fujii, K Togano
Applied Physics Letters 79 (15), 2435-2437, 2001
282 2001 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 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
177 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
157 2004 Fabrication of high-performance MgB2 wires by an internal Mg diffusion process JM Hur, K Togano, A Matsumoto, H Kumakura, H Wada, K Kimura
Superconductor Science and Technology 21 (3), 032001, 2008
145 2008 Fabrication of high-performance MgB2 wires by an internal Mg diffusion process JM Hur, K Togano, A Matsumoto, H Kumakura, H Wada, K Kimura
Superconductor Science and Technology 21 (3), 032001, 2008
145 2008 Microscopic role of carbon on MgB2 wire for critical current density comparable to NbTi JH Kim, S Oh, YU Heo, S Hata, H Kumakura, A Matsumoto, M Mitsuhara, ...
NPG Asia Materials 4 (1), e3-e3, 2012
142 2012 Large transport critical current densities of Ag sheathed (Ba, K) Fe2As2+ Ag superconducting wires fabricated by an ex-situ powder-in-tube process K Togano, A Matsumoto, H Kumakura
Applied physics express 4 (4), 043101, 2011
127 2011 Large transport critical current densities of Ag sheathed (Ba, K) Fe2As2+ Ag superconducting wires fabricated by an ex-situ powder-in-tube process K Togano, A Matsumoto, H Kumakura
Applied physics express 4 (4), 043101, 2011
127 2011 Achievement of practical level critical current densities in Ba1−x Kx Fe2 As2 /Ag tapes by conventional cold mechanical deformation Z Gao, K Togano, A Matsumoto, H Kumakura
Scientific Reports 4 (1), 4065, 2014
110 2014 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 Tailored Materials for High‐Performance MgB2 Wire JH Kim, S Oh, H Kumakura, A Matsumoto, YU Heo, KS Song, YM Kang, ...
Advanced Materials 42 (23), 4942-4946, 2011
88 2011 Tailored Materials for High‐Performance MgB2 Wire JH Kim, S Oh, H Kumakura, A Matsumoto, YU Heo, KS Song, YM Kang, ...
Advanced Materials 42 (23), 4942-4946, 2011
88 2011 Improvement of critical current density in Fe-sheathed MgB2 tapes by ZrSi2, ZrB2 and WSi2 doping Y Ma, H Kumakura, A Matsumoto, H Hatakeyama, K Togano
Superconductor Science and Technology 16 (8), 852, 2003
86 2003 Strong enhancement of high-field critical current properties and irreversibility field of MgB2 superconducting wires by coronene active carbon source addition via the new B … SJ Ye, A Matsumoto, YC Zhang, H Kumakura
Superconductor Science and Technology 27 (8), 085012, 2014
85 2014 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 Fabrication of seven-core multi-filamentary MgB2 wires with high critical current density by an internal Mg diffusion process K Togano, JM Hur, A Matsumoto, H Kumakura
Superconductor Science and Technology 22 (1), 015003, 2008
78 2008 Microstructures and critical currents of single-and multi-filamentary MgB2 superconducting wires fabricated by an internal Mg diffusion process K Togano, J Hur, A Matsumoto, H Kumakura
Superconductor Science and Technology 23 (8), 085002, 2010
74 2010