坂井　 直道

研究成果

年別の研究成果 1991 2001 2002 2003 2004 2005 2006 2008 2022

• 231 Article
• 68 Conference article
• 10 Conference contribution
• 3 Review article
• 2 その他
  • 1 Paper
  • 1 Comment/debate

年別の研究成果

年別の研究成果

検索結果

• Article

  Optimization of Carbon Encapsulated Boron Doping for High-Performance Bulk Sintered MgB₂

  Sai Srikanth, A., Muralidhar, M., Sunsanee, P., Jirsa, M., Sakai, N., Oka, T. & Murakami, M., 2020 11月, In: Advanced Engineering Materials. 22, 11, 2000478.

  研究成果: Article › 査読

  Open Access

  • Boron 100%
  • Doping (additives) 98%
  • Boron Atom 76%
  • boron 75%
  • Carbon 66%
  5 被引用数 (Scopus)

• Optimization of matrix chemical ratio for high flux pinning in ternary (Nd-Eu-Gd)Ba₂Cu₃O_y

  Muralidhar, M., Jirsa, M., Sakai, N. & Murakami, M., 2001 11月 5, In: Applied Physics Letters. 79, 19, p. 3107-3109 3 p.

  研究成果: Article › 査読

  • flux pinning 100%
  • optimization 53%
  • matrices 44%
  • magnetic fields 27%
  • rare earth elements 23%
  55 被引用数 (Scopus)

• Optimization of ternary LRE-Ba-Cu-O materials for use at liquid oxygen temperature

  Muralidhar, M., Sakai, N., Jirsa, M., Murakami, M. & Koshizuka, N., 2004 10月, In: Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 575-579 5 p.

  研究成果: Article › 査読

  • liquid oxygen 100%
  • Flux pinning 64%
  • Oxygen 56%
  • Levitation 52%
  • Ternary systems 49%
  2 被引用数 (Scopus)

• Optimization of the diffusion joint process for the Ag layers of YBCO coated conductors

  Kato, J., Sakai, N., Miyata, S., Konishi, M., Yamada, Y., Chikumoto, N., Nakao, K., Izumi, T. & Shiohara, Y., 2007 10月 1, In: Physica C: Superconductivity and its applications. 463-465, SUPPL., p. 747-750 4 p.

  研究成果: Article › 査読

  • Polishing 100%
  • Conductor 87%
  • conductors 70%
  • polishing 60%
  • optimization 56%
  30 被引用数 (Scopus)

• Optimum processing conditions for the fabrication of large, single grain Ag-doped YBCO bulk superconductors

  Iida, K., Babu, N. H., Pathak, S., Shi, Y., Yeoh, W. K., Miyazaki, T., Sakai, N., Murakami, M. & Cardwell, D. A., 2008 6月 15, In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 151, 1, p. 2-6 5 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Superconductor 85%
  • Nucleation 62%
  • Fabrication 56%
  • fabrication 46%
  5 被引用数 (Scopus)

• Origin of ordering oscillation of local composition in melt-processed REBa₂Cu₃O_7-δ superconductors (re: Sm, Eu, Gd)

  Hu, A., Sakai, N., Hirabayashi, I., Winter, M., Koblischka, M. R. & Zhou, H., 2005 1月 3, In: International Journal of Modern Physics B. 19, 1-3, p. 159-161 3 p.

  研究成果: Article › 査読

  • Atomic Force Microscopy 100%
  • SQUID 93%
  • Transmission Electron Microscopy 92%
  • Superconductor 74%
  • Style 53%
  3 被引用数 (Scopus)

• Peak effect with tilted fields in melt-processed (Sm, Eu, Gd)Ba₂Cu₃O_7-δ superconductors

  Hu, A., Zhou, H., Chikumoto, N., Sakai, N., Hirabayashi, I. & Murakami, M., 2004 2月 1, In: Superconductor Science and Technology. 17, 2, p. S56-S60

  研究成果: Article › 査読

  • Magnetic Phase Diagram 100%
  • Superconducting materials 74%
  • Superconductor 64%
  • Magnetic Moment 59%
  • Magnetic moments 44%
  3 被引用数 (Scopus)

• Phase stability of MgO-doped Nd-Ba-Cu-O seed crystals for cold-seeded, OCMG processing

  Iida, K., Babu, N. H., Shi, Y., Matthews, L. S., Miyazaki, T., Sakai, N., Murakami, M. & Cardwell, D. A., 2007 10月 1, In: Physica C: Superconductivity and its applications. 463-465, SUPPL., p. 340-343 4 p.

  研究成果: Article › 査読

  • Phase stability 100%
  • Phase Stability 84%
  • Partial pressure 82%
  • Solid solutions 78%
  • Crystals 68%
  4 被引用数 (Scopus)

• Pinning behavior in bulk MgB₂ prepared using boron powder refined via high-energy ultra-sonication

  Arvapalli, S. S., Miryala, M., Jirsa, M., Sakai, N. & Murakami, M., 2021 5月, In: Journal of Superconductivity and Novel Magnetism. 34, 5, p. 1297-1301 5 p.

  研究成果: Article › 査読

  Open Access

  • Sonication 100%
  • Boron 76%
  • Grain Boundary 69%
  • Grain boundaries 67%
  • Boron Atom 58%
  5 被引用数 (Scopus)

• Pinning centres in NEG-123 active at liquid oxygen temperature (90.2 K)

  Muralidhar, M., Sakai, N., Jirsa, M., Murakami, M. & Koshizuka, N., 2004 2月 1, In: Superconductor Science and Technology. 17, 2, p. S66-S69

  研究成果: Article › 査読

  • liquid oxygen 100%
  • flux pinning 85%
  • superconducting magnets 76%
  • permanent magnets 71%
  • Flux pinning 64%
  10 被引用数 (Scopus)

• Pinning characteristics in chemically modified (Nd, Eu, Gd)-Ba-Cu-O superconductors

  Muralidhar, M., Sakai, N., Nishiyama, M., Jirsa, M., Machi, T. & Murakami, M., 2003 2月 10, In: Applied Physics Letters. 82, 6, p. 943-945 3 p.

  研究成果: Article › 査読

  • microscopes 100%
  • scanning 40%
  • augmentation 39%
  • defects 35%
  38 被引用数 (Scopus)

• Pinning properties in melt-processed YbBa₂Cu₃O_7-δ with finely dispersed Yb₂BaCuO₅ inclusions

  Mochida, T., Sakai, N., Yoo, S. I. & Murakami, M., 2002 2月 1, In: Physica C: Superconductivity and its applications. 366, 4, p. 229-237 9 p.

  研究成果: Article › 査読

  • Rare earth elements 100%
  • Superconducting materials 94%
  • Superconductor 80%
  • Shielding 74%
  • Current density 69%
  8 被引用数 (Scopus)

• Position feedback control using magneto impedance sensors on conveyor with superconducting magnetic levitation

  Iizuka, T., Sakai, N. & Fujita, H., 2009 3月 16, In: Sensors and Actuators, A: Physical. 150, 1, p. 110-115 6 p.

  研究成果: Article › 査読

  • Magnetic Levitation 100%
  • Conveyor 87%
  • conveyors 76%
  • Superconducting materials 72%
  • Magnetic levitation 69%
  12 被引用数 (Scopus)

• Possibility of T_c and J_c enhancement in 10% BaSnO₃-doped MPMG-processed YBCO

  Monot, I., Higuchi, T., Sakai, N. & Murakami, M., 1994 12月 1, In: Superconductor Science and Technology. 7, 10, p. 783-786 4 p., 015.

  研究成果: Article › 査読

  • inclusions 100%
  • Microstructure 85%
  • augmentation 77%
  • Grain Size 59%
  • Stoichiometry 56%
  17 被引用数 (Scopus)

• Potentials of RE-Ba₂Cu₃O_y in the silver base technology

  Muralidhar, M., Sakai, N., Machi, T., Hirabayashi, I. & Tanaka, S., 2007 10月 1, In: Physica C: Superconductivity and its applications. 463-465, SUPPL., p. 314-319 6 p.

  研究成果: Article › 査読

  • Thick films 100%
  • Silver 89%
  • thick films 76%
  • silver 67%
  • Substrates 57%
  1 被引用数 (Scopus)

• Practical technique of pulsed field magnetization for bulk HTS application

  Kimura, Y., Yamaguchi, K., Sano, T., Sugyo, D., Izumi, M., Ida, T., Nariki, S., Sakai, N., Hirabayashi, I. & Miki, M., 2008 2月 1, In: Journal of Physics: Conference Series. 97, 1, 012295.

  研究成果: Article › 査読

  Open Access

  • coils 100%
  • density distribution 90%
  • magnetization 79%
  • flux density 38%
  • synchronous motors 37%
  9 被引用数 (Scopus)

• Preparation and properties of Eu-Ba-Cu-O superconducting bulk magnets for NMR application

  Nariki, S., Sakai, N., Hirabayashi, I., Yoshikawa, M., Itoh, Y., Nakamura, T. & Utumi, H., 2008 9月 15, In: Physica C: Superconductivity and its applications. 468, 15-20, p. 1451-1455 5 p.

  研究成果: Article › 査読

  • Nuclear magnetic resonance 100%
  • Magnets 85%
  • Magnetic Field 78%
  • Magnetic fields 72%
  • magnets 67%
  5 被引用数 (Scopus)

• Preparation and properties of OCMG-processed Gd-Ba-Cu-O bulk superconductors with very fine Gd211 particles

  Nariki, S., Sakai, N. & Murakami, M., 2001 8月, In: Physica C: Superconductivity and its applications. 357-360, SUPPL. 2, p. 811-813 3 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Superconductor 85%
  • Powders 61%
  • preparation 55%
  • balls 34%
  43 被引用数 (Scopus)

• Preparation of highly oriented Y123 superconductor with silver doping

  Sakai, N., Deguchi, M., Yoo, S. I. & Murakami, M., 1997, In: Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 61, 9, p. 920-924 5 p.

  研究成果: Article › 査読

  Open Access

  • Superconducting materials 100%
  • Superconductor 85%
  • Doping (additives) 84%
  • Silver 83%
  • silver 62%
  1 被引用数 (Scopus)

• Preparation of YbBa₂Cu₃O_7-x bulk superconductor by melt growth process

  Mochida, T., Takahashi, M., Goshima, S., Sakai, N., Yoo, S. I. & Murakami, M., 1997, In: Superlattices and Microstructures. 21, Suppl A, p. 37-39 3 p.

  研究成果: Article › 査読

  • SQUIDs 100%
  • Superconducting materials 87%
  • Magnetometers 82%
  • Partial pressure 79%
  • Superconductor 75%
  10 被引用数 (Scopus)

• Processing of GdBa₂Cu₃O_7-y bulk superconductor and its trapped magnetic field

  Nariki, S., Sakai, N. & Murakami, M., 2001 8月, In: Physica C: Superconductivity and its applications. 357-360, SUPPL. 2, p. 629-634 6 p.

  研究成果: Article › 査読

  • trapped magnetic fields 100%
  • Superconducting materials 83%
  • Superconductor 71%
  • Magnetic Field 59%
  • Magnetic fields 55%
  39 被引用数 (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 6月, In: IEEE Transactions on Applied Superconductivity. 15, 2 PART III, p. 3110-3113 4 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Size Reduction 98%
  • Superconductor 85%
  • Magnetic Field 71%
  • Powders 61%
  9 被引用数 (Scopus)

• Processing of high-performance (Sm,Eu,Gd)Ba₂Cu₃O _7-δ bulk superconductors with BaO₂ addition

  Hu, A., Sakai, N., Zhou, H., Murakami, M. & Hirabayashi, I., 2004 10月 1, In: Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 571-574 4 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Coarsening 92%
  • Partial pressure 90%
  • Superconductor 85%
  • Substitution reactions 75%

• Processing of high-performance Gd-Ba-Cu-O bulk superconductor with Ag addition

  Nariki, S., Sakai, N. & Murakami, M., 2002 5月 1, In: Superconductor Science and Technology. 15, 5, p. 648-652 5 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Superconductor 85%
  • Partial Pressure 72%
  • Magnetic Field 71%
  • Powders 61%
  63 被引用数 (Scopus)

• Progress in R&D of coated conductor in M-PACC project

  Izumi, T., Ibi, A., Nakaoka, K., Taneda, T., Yoshida, T., Takagi, Y., Nakamura, T., Machi, T., Katayama, K., Sakai, N., Yoshizumi, M., Koizumi, T., Kimura, K., Kato, T., Kiss, T. & Shiohara, Y., 2014, In: Progress in Superconductivity and Cryogenics (PSAC). 16, 2, p. 1-6 6 p.

  研究成果: Article › 査読

  Open Access

  • Tapes 100%
  • Conductor 99%
  • Pulsed laser deposition 75%
  • Pulsed Laser Deposition 64%
  • Deposition Technique 53%
  1 被引用数 (Scopus)

• Properties of HTS for successful U/n processing

  Weinstein, R., Ren, Y., Sawh, R., Gandini, A., Hennig, W., Murakami, M., Mochida, T., Chikumoto, N., Sakai, N., Krabbes, G., Bieger, W., Milliken, D., Dou, S. X., Tönies, S., Eisterer, M. & Weber, H. W., 2000, In: Physica C: Superconductivity and its applications. 341-348, PART 2, p. 1415-1418 4 p.

  研究成果: Article › 査読

  • Texturing 100%
  • Uranium 90%
  • Fission 88%
  • Neutron 79%
  • Tapes 79%
  16 被引用数 (Scopus)

• Pseudo-binary phase diagram along NdBa₂Cu₃O_y-Ba₃Cu₅O_z under pO₂ of 0.01 atm

  Iida, K., Osabe, G., Yoo, S. I., Takizawa, T., Sakai, N. & Murakami, M., 2000 9月 1, In: Superconductor Science and Technology. 13, 9, p. 1322-1326 5 p.

  研究成果: Article › 査読

  • Phase diagrams 100%
  • Liquidus 96%
  • Phase Diagrams 70%
  • liquidus 61%
  • phase diagrams 60%
  1 被引用数 (Scopus)

• Pulsed field magnetization for GdBaCuO bulk with stronger pinning characteristics

  Fujishiro, H., Hiyama, T., Miura, T., Naito, T., Nariki, S., Sakai, N. & Hirabayashi, I., 2009 6月, In: IEEE Transactions on Applied Superconductivity. 19, 3, p. 3545-3548 4 p., 5067107.

  研究成果: Article › 査読

  • Magnetization 100%
  • magnetization 55%
  • Cooling 49%
  • cooling 38%
  • nonuniformity 28%
  30 被引用数 (Scopus)

• Pulsed field magnetization properties for a large single-grain Gd-Ba-Cu-O high-temperature superconductor bulk with a diameter of 140 mm by using a new type of pulsed copper split coil

  Yamaguchi, K., Kimura, Y., Izumi, M., Nariki, S., Sakai, N. & Hirabayashi, I., 2008 2月 1, In: Journal of Physics: Conference Series. 97, 1, 012278.

  研究成果: Article › 査読

  Open Access

  • high temperature superconductors 100%
  • coils 79%
  • copper 68%
  • magnetization 62%
  • density distribution 44%
  13 被引用数 (Scopus)

• Pulsed field magnetization properties for Gd-Ba-Cu-O superconductors impregnated with Bi-Sn-Cd alloy

  Kimura, Y., Matsumoto, H., Fukai, H., Sakai, N., Hirabayashi, I., Izumi, M. & Murakami, M., 2006 10月 1, In: Physica C: Superconductivity and its applications. 445-448, 1-2, p. 408-411 4 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Impregnation 91%
  • Magnetization 90%
  • Superconductor 85%
  • Alloy 53%
  9 被引用数 (Scopus)

• Quenching characteristics of electrical contacts using YBaCuO bulk superconductor

  Fukuda, K., Fujita, H., Ogawa, K., Tomita, M., Murakami, M., Sakai, N., Hirabayashi, I. & Sawa, K., 2008 9月 15, In: Physica C: Superconductivity and its applications. 468, 15-20, p. 1465-1468 4 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Superconductor 85%
  • Quenching 78%
  • electric contacts 67%
  • quenching 62%
  1 被引用数 (Scopus)

• RE-Ba₂Cu₃O_y formation mechanism via (RE)₂BaO₄

  Muralidhar, M., Sakai, N., Murakami, M., Hirabayashi, I. & Tanaka, S., 2006 10月 1, In: Physica C: Superconductivity and its applications. 445-448, 1-2, p. 282-285 4 p.

  研究成果: Article › 査読

  • Pellet 100%
  • Electron probe microanalysis 68%
  • Composite Material 50%
  • atmospheres 48%
  • Mixture 44%
  6 被引用数 (Scopus)

• RE-Ba-Cu-O for high functional superconducting permanent magnet

  Yoo, S. I., Higuchi, T., Sakai, N., Fujimoto, H. & Murakami, M., 1998 5月 1, In: Materials Science and Engineering B. 53, 1-2, p. 203-210 8 p.

  研究成果: Article › 査読

  • Superconducting magnets 100%
  • superconducting magnets 75%
  • permanent magnets 70%
  • Rare earth elements 63%
  • Permanent magnets 60%
  12 被引用数 (Scopus)

• Recent progress in production of infiltration-growth and melt-growth processed bulk (RE)Ba₂Cu₃O_y

  Muralidhar, M., Sunsanee, P., Takemura, K., Sai Srikanth, A., Jirsa, M., Ramachandra Rao, M. S., Oka, T., Sakai, N. & Murakami, M., 2020 7月, In: Superconductor Science and Technology. 33, 7, 074002.

  研究成果: Article › 査読

  Open Access

  • Electromagnetic Property 100%
  • Infiltration 84%
  • infiltration 83%
  • Collision 71%
  • Lanthanoid Atom 54%
  2 被引用数 (Scopus)

• Record flux pinning in melt-textured NEG-123 doped by Mo and Nb nanoparticles

  Muralidhar, M., Sakai, N., Jirsa, M., Murakami, M. & Hirabayashi, I., 2008, In: Applied Physics Letters. 92, 16, 162512.

  研究成果: Article › 査読

  • flux pinning 100%
  • nanoparticles 55%
  • levitation 49%
  • composite materials 24%
  • performance 18%
  56 被引用数 (Scopus)

• Recovery of trapped field distribution around a growth sector in a Gd-Ba-Cu-O HTS bulk with pulsed-field magnetization

  Kimura, Y., Matsuzaki, H., Ohtani, I., Morita, E., Izumi, M., Sakai, N., Hirabayashi, I., Miki, M., Kitano, M. & Ida, T., 2006 7月, In: Superconductor Science and Technology. 19, 7, p. S466-S471

  研究成果: Article › 査読

  • Magnetization 100%
  • sectors 73%
  • Magnetic Flux 69%
  • recovery 68%
  • Recovery 57%
  19 被引用数 (Scopus)

• Refinement of Nd-422 phase trapped in a Nd_1+δBa_2-δCu₃O_7-γ superconducting matrix

  Frangi, F., Yoo, S. I., Sakai, N. & Murakami, M., 1997 8月 1, In: Journal of Materials Research. 12, 8, p. 1990-2001 12 p.

  研究成果: Article › 査読

  • Nucleation 100%
  • Reaction Stoichiometry 98%
  • Dimension 91%
  • Stoichiometry 81%
  • Industrial heating 74%
  5 被引用数 (Scopus)

• Refinement of RE211 particles in melt-textured RE-Ba-Cu-O bulk superconductors

  Nariki, S., Matsui, M., Sakai, N. & Murakami, M., 2002 5月 1, In: Superconductor Science and Technology. 15, 5, p. 679-682 4 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Superconductor 85%
  • Melting 65%
  • Powders 61%
  • Size Reduction 49%
  21 被引用数 (Scopus)

• Review on the use of superconducting bulks for magnetic screening in electrical machines for aircraft applications

  Dorget, R., Nouailhetas, Q., Colle, A., Berger, K., Sudo, K., Ayat, S., Lêvêque, J., Koblischka, M. R., Sakai, N., Oka, T. & Douine, B., 2021 6月 1, In: Materials. 14, 11, 2847.

  研究成果: Article › 査読

  Open Access

  • Magnetic Screening 100%
  • High temperature superconductors 72%
  • Superconductor 55%
  • aircraft 53%
  • high temperature superconductors 51%
  9 被引用数 (Scopus)

• Role of ZrO₂/SnO₂ nano-particles on superconducting properties and microstructure of melt-processed Gd123 superconductors

  Xu, C., Hu, A., Ichihara, M., Sakai, N., Hirabayashi, I. & Izumi, M., 2007 6月, In: IEEE Transactions on Applied Superconductivity. 17, 2, p. 2980-2983 4 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Superconductor 85%
  • Transmission electron microscopy 78%
  • Scanning electron microscopy 60%
  • SQUIDs 56%
  2 被引用数 (Scopus)

• Single-domain NEG bulk superconductors for high magnetic field applications

  Muralidhar, M., Jirsa, M., Sakai, N. & Murakami, M., 2001 8月, In: Physica C: Superconductivity and its applications. 357-360, SUPPL. 2, p. 661-664 4 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Superconductor 85%
  • Silver 83%
  • Magnetic Field 71%
  • Magnetic fields 66%
  3 被引用数 (Scopus)

• Single domain YBCO/Ag bulk superconductors fabricated by seeded infiltration and growth

  Iida, K., Babu, N. H., Shi, Y., Miyazaki, T., Sakai, N., Murakami, M. & Cardwell, D. A., 2008 2月 1, In: Journal of Physics: Conference Series. 97, 1, 012105.

  研究成果: Article › 査読

  • infiltration 100%
  • matrices 23%
  • YBCO superconductors 20%
  • liquid nitrogen 14%
  • critical current 13%
  7 被引用数 (Scopus)

• Single-grain growth, microstructure and superconducting properties of (Sm,Eu)123 superconductors with BaCuO_2-x addition

  Hu, A., Sakai, N., Zhou, H., Matsui, M. & Murakami, M., 2003 1月 1, In: Superconductor Science and Technology. 16, 1, p. 33-38 6 p.

  研究成果: Article › 査読

  • Superconductivity 100%
  • Superconducting materials 85%
  • Grain growth 80%
  • Molar ratio 77%
  • Superconductor 73%
  24 被引用数 (Scopus)

• Solid phase (RE ₂BaO ₄)-Liquid phase (BaCuO ₂) reaction: The way to highly oriented ErBa ₂Cu ₃O _y superconducting thick films on commercial silver substrates

  Muralidhar, M., Sakai, N., Jirsa, M. & Tanaka, S., 2009 5月 6, In: Crystal Growth and Design. 9, 5, p. 2404-2408 5 p.

  研究成果: Article › 査読

  • Superconducting films 100%
  • Thick films 67%
  • Silver 59%
  • thick films 51%
  • solid phases 51%
  3 被引用数 (Scopus)

• Solubility and superconductivity of Gd_1+xBa_2-xCu ₃O_7-δ compounds (x = -0.1,0,0.05,0.1,0.15 and 0.2)

  Xu, C., Hu, A., Sakai, N., Izumi, M. & Hirabayashi, I., 2005 1月 1, In: Physica C: Superconductivity and its applications. 417, 3-4, p. 77-84 8 p.

  研究成果: Article › 査読

  • Superconductivity 100%
  • Solid solutions 73%
  • Solubility 71%
  • solubility 58%
  • superconductivity 54%
  16 被引用数 (Scopus)

• Solubility limit and crystallization of (Sm_0.5Eu_0.5)_1+xBa_2-xCu₃O _7-δ

  Hu, A., Sakai, N. & Murakami, M., 2002 6月 1, In: Physica C: Superconductivity and its applications. 371, 1, p. 19-26 8 p.

  研究成果: Article › 査読

  • Rare earths 100%
  • Solubility 89%
  • Crystallization 88%
  • solubility 73%
  • rare earth elements 69%
  7 被引用数 (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 6月, In: IEEE Transactions on Applied Superconductivity. 15, 2 PART III, p. 3640-3643 4 p.

  研究成果: Article › 査読

  • Superconducting materials 100%
  • Superconductor 85%
  • inhomogeneity 63%
  • Scanning 58%
  • Cooling 53%
  8 被引用数 (Scopus)

• Stress-strain characteristics and fracture surface morphology of (Sm,Gd)-Ba-Cu-O bulk superconductor

  Katagiri, K., Murakami, A., Sato, T., Okudera, T., Sakai, N., Muralidhar, M. & Murakami, M., 2002 10月 1, In: Physica C: Superconductivity and its applications. 378-381, PART 1, p. 722-726 5 p.

  研究成果: Article › 査読

  • Fracture Surface Morphology 100%
  • Superconducting materials 79%
  • Superconductor 68%
  • Surface morphology 68%
  • tensile strength 57%
  15 被引用数 (Scopus)

• Strong coupled joint for Y-Ba-Cu-O superconductors using a sintered Er-Ba-Cu-O solder

  Iida, K., Yoshioka, J., Negichi, T., Noto, K., Sakai, N. & Murakami, M., 2002 10月 1, In: Physica C: Superconductivity and its applications. 378-381, PART 1, p. 622-626 5 p.

  研究成果: Article › 査読

  • YBCO superconductors 100%
  • Superconducting materials 91%
  • Solder 86%
  • reagents 79%
  • Superconductor 78%
  8 被引用数 (Scopus)

• Structural properties of (Pb,Cu) (Sr,Nd)₂(Ho,Ce)₂Cu₂O_9-δ

  Maeda, T., Sakai, N., Izumi, F., Wada, T., Yamauchi, H., Asano, H. & Tanaka, S., 1992 4月 1, In: Physica C: Superconductivity and its applications. 193, 1-2, p. 73-80 8 p.

  研究成果: Article › 査読

  • Neutron powder diffraction 100%
  • Structural properties 96%
  • Rietveld method 85%
  • Oxides 76%
  • Fluorspar 73%
  18 被引用数 (Scopus)