年別の研究成果
年別の研究成果
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2021
Trapped field evaluation of ring-shaped GdBCO bulk magnet excited by pulsed field magnetization
Yokoyama, K. & Oka, T., 2021 4 19, In: Journal of Physics: Conference Series. 1857, 1, 012018.研究成果: Conference article › 査読
Open Access -
2020
Investigation of flux jumps during pulsed field magnetization in graphene-Added MgB2 bulks
Yokoyama, K., Oka, T., Berger, K., Dorget, R., Koblischka, M., Grigoroscuta, M., Burdusel, M., Batalu, D., Aldica, G., Badica, P., Sakai, N., Muralidhar, M. & Murakami, M., 2020 6 19, In: Journal of Physics: Conference Series. 1559, 1, 012080.研究成果: Conference article › 査読
Open Access1 被引用数 (Scopus) -
Magnetic Flux Trapping and Flux Jumps in Pulsed Field Magnetizing Processes in REBCO and Mg-B Bulk Magnets
Oka, T., Takeda, A., Oki, H., Yamanaka, K., Dadiel, L., Yokoyama, K., Häßler, W., Scheiter, J., Sakai, N. & Murakami, M., 2020 7 31, In: Journal of Physics: Conference Series. 1590, 1, 012025.研究成果: Conference article › 査読
Open Access2 被引用数 (Scopus) -
Magnetizing characteristic evaluation of REBCO bulk in PFM using different yokes
Yokoyama, K. & Oka, T., 2020 6 19, In: Journal of Physics: Conference Series. 1559, 1, 012047.研究成果: Conference article › 査読
Open Access -
Occurrence of Flux Jumps in MgB2 Bulk Magnets during Pulse-Field Magnetization
Sakai, N., Oka, T., Yamanaka, K., Dadiel, L., Oki, H., Ogawa, J., Fukui, S., Scheiter, J., Häßler, W., Yokoyama, K., Noudem, J., Miryala, M. & Murakami, M., 2020 6 19, In: Journal of Physics: Conference Series. 1559, 1, 012024.研究成果: Conference article › 査読
Open Access -
2019
Generation of Uniform Magnetic Field between Face-to-Face HTS Bulk Magnets
Oka, T., Higa, K., Tsunoda, S., Ogawa, J., Fukui, S., Inoue, N., Miryala, M., Murakami, M., Yokoyama, K. & Nakamura, T., 2019 10 15, In: Journal of Physics: Conference Series. 1293, 1, 012044.研究成果: Conference article › 査読
Open Access1 被引用数 (Scopus) -
Improvement of the trapped field of REBCO bulk activated by pulsed field magnetization with a large soft-iron yoke
Yokoyama, K. & Oka, T., 2019 10 15, In: Journal of Physics: Conference Series. 1293, 1, 012046.研究成果: Conference article › 査読
Open Access1 被引用数 (Scopus) -
2018
Collecting Ni-Sulfate Compound from Electroless Plating Waste by Magnetic Separation Technique with Use of HTS Bulk Magnets
Oka, T., Sasaki, S., Sasaki, H., Fukui, S., Ogawa, J., Sato, T., Nakano, T., Ooizumi, M., Tsujimura, M. & Yokoyama, K., 2018 7 26, In: Journal of Physics: Conference Series. 1054, 1, 012047.研究成果: Conference article › 査読
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Comparison of Trapped Field Characteristic of Bulk Magnet System Using Various Type Refrigerators
Yokoyama, K., Katsuki, A., Miura, A. & Oka, T., 2018 7 26, In: Journal of Physics: Conference Series. 1054, 1, 012072.研究成果: Conference article › 査読
1 被引用数 (Scopus) -
2017
Influence of Artificial Defects on Trapped Field Performance in a Superconducting Bulk Magnet
Yokoyama, K., Eranda, K., Zhao, Y., Katsuki, A., Miura, A. & Oka, T., 2017 7 26, In: Journal of Physics: Conference Series. 871, 1, 012050.研究成果: Conference article › 査読
1 被引用数 (Scopus) -
Magnetic flux invasion in REBCO bulk magnets with varying pre-magnetized flux distributions in multiple-PFM processes
Oka, T., Hara, K., Takeda, A., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Murakami, A., 2017 7 26, In: Journal of Physics: Conference Series. 871, 1, 012049.研究成果: Conference article › 査読
1 被引用数 (Scopus) -
Magnetic Separation Using HTS Bulk Magnet for Cs-Bearing Fe precipitates
Oka, T., Ichiju, K., Sasaki, S., Ogawa, J., Fukui, S., Sato, T., Ooizumi, M., Yokoyama, K., Aoki, S. & Ohnishi, N., 2017 9 21, In: Journal of Physics: Conference Series. 897, 1, 012024.研究成果: Conference article › 査読
1 被引用数 (Scopus) -
2016
Uniform Magnetic Field between Face-to-Face HTS Bulk Magnets Combining Concave and Convex Magnetic Field Distributions
Oka, T., Takahashi, Y., Yaginuma, S., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Nakamura, T., 2016, In: Physics Procedia. 81, p. 45-48 4 p.研究成果: Conference article › 査読
6 被引用数 (Scopus) -
2015
Attempt to generate a strong and uniform magnetic field by face-to-face HTS bulk elements in a magnet system
Oka, T., Hirayama, E., Takahashi, Y., Kanai, T., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Nakamura, T., 2015, In: Physics Procedia. 67, p. 1005-1009 5 p.研究成果: Conference article › 査読
4 被引用数 (Scopus) -
2014
Investigation of the Flux Flow-inhibiting Effect of a Hole-opened Superconducting Bulk Magnet
Yokoyama, K., Tsukui, T., Mita, H., Tsubonoya, N. & Oka, T., 2014, In: Physics Procedia. 58, p. 302-305 4 p.研究成果: Conference article › 査読
Open Access -
Magnetic flux-trapping of anisotropic-grown Y-Ba-Cu-O bulk superconductors during and after pulsed-field magnetizing processes
Oka, T., Yamada, Y., Horiuchi, T., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Langer, M., 2014, In: Journal of Physics: Conference Series. 507, PART 1, 012039.研究成果: Conference article › 査読
4 被引用数 (Scopus) -
Pulsed-field Invasion to HTS Bulk Magnets Grown from Two Seeds with Varied Seed-crystal Positions and Numbers
Oka, T., Yamada, Y., Horiuchi, T., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Langer, M., 2014, In: Physics Procedia. 58, p. 74-77 4 p.研究成果: Conference article › 査読
Open Access2 被引用数 (Scopus) -
2013
Experimental verification of the magnetic flux penetration property and flux flow inhibition effect of a superconducting bulk magnet with small holes
Yokoyama, K., Oka, T., Kondo, N. & Hosaka, S., 2013, In: Physics Procedia. 45, p. 261-264 4 p.研究成果: Conference article › 査読
3 被引用数 (Scopus) -
2012
Field trapping property of HTS bulk magnet with reduced voids in pulsed field magnetizing process
Oka, T., Seki, H., Ishiduka, D., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Murakami, A., 2012, In: Journal of Physics: Conference Series. 400, PART 2, 022089.研究成果: Conference article › 査読
5 被引用数 (Scopus) -
2005
Approach from temperature measurement to trapped field enhancement in HTSC bulks by pulse field magnetizing
Fujishiro, H., Yokoyama, K., Kaneyama, M., Ikebe, M., Oka, T. & Noto, K., 2005 10 1, In: Physica C: Superconductivity and its applications. 426-431, I, p. 594-601 8 p.研究成果: Conference article › 査読
7 被引用数 (Scopus) -
Generation of strong magnetic field using 60 mmφ superconducting bulk magnet and its application to magnetron sputtering device
Yanagi, Y., Matsuda, T., Hazama, H., Yokouchi, K., Yoshikawa, M., Itoh, Y., Oka, T., Ikuta, H. & Mizutani, U., 2005 10 1, In: Physica C: Superconductivity and its applications. 426-431, I, p. 764-769 6 p.研究成果: Conference article › 査読
33 被引用数 (Scopus) -
Temperature changes in a melt-processed YBCO superconductor activated by field cooling magnetizing process
Oka, T., Yokoyama, K., Fujishiro, H., Kaneyama, M. & Noto, K., 2005 10 1, In: Physica C: Superconductivity and its applications. 426-431, I, p. 794-799 6 p.研究成果: Conference article › 査読
11 被引用数 (Scopus) -
Temperature rise and trapped field in a GdBaCuO bulk superconductor cooled down to 10 K after applying pulsed magnetic field
Yokoyama, K., Kaneyama, M., Fujishiro, H., Oka, T. & Noto, K., 2005 10 1, In: Physica C: Superconductivity and its applications. 426-431, I, p. 671-675 5 p.研究成果: Conference article › 査読
11 被引用数 (Scopus) -
2003
A 3 T magnetic field generator using melt-processed bulk superconductors as trapped field magnets and its applications
Oka, T., Yokoyama, K., Itoh, Y., Yanagi, Y., Yoshikawa, M., Ikuta, H., Mizutani, U., Okada, H. & Noto, K., 2003 10, In: Physica C: Superconductivity and its applications. 392-396, PART 1, p. 709-712 4 p.研究成果: Conference article › 査読
15 被引用数 (Scopus) -
Construction of a strong magnetic field generator with use of melt-processed bulk superconductors
Oka, T., Yokoyama, K., Itoh, Y., Ikuta, H., Mizutani, U., Okada, H., Katagiri, K. & Noto, K., 2003 6, In: IEEE Transactions on Applied Superconductivity. 13, 2 II, p. 1584-1587 4 p.研究成果: Conference article › 査読
13 被引用数 (Scopus) -
High gradient magnetic separation using superconducting bulk magnets
Yokoyama, K., Oka, T., Okada, H. & Noto, K., 2003 10 1, In: Physica C: Superconductivity and its applications. 392-396, PART 1, p. 739-744 6 p.研究成果: Conference article › 査読
31 被引用数 (Scopus) -
Solid-liquid magnetic separation using bulk superconducting magnets
Yokoyama, K., Oka, T., Okada, H., Fujine, Y., Chiba, A. & Noto, K., 2003 6 1, In: IEEE Transactions on Applied Superconductivity. 13, 2 II, p. 1592-1595 4 p.研究成果: Conference article › 査読
41 被引用数 (Scopus) -
Thermal and mechanical properties of high Tc bulk superconductors and their applications
Noto, K., Oka, T., Yokoyama, K., Katagiri, K., Fujishiro, H., Okada, H., Nakazawa, H., Muralidhar, M. & Murakami, M., 2003 10, In: Physica C: Superconductivity and its applications. 392-396, PART 1, p. 677-683 7 p.研究成果: Conference article › 査読
16 被引用数 (Scopus) -
2001
Melt-processed RE-Ba-Cu-O (RE=Sm, Nd) superconductors for quasi-permanent magnets
Ikuta, H., Hosokawa, T., Ishihara, H., Yoshikawa, M., Yanagi, Y., Itoh, Y., Oka, T. & Mizutani, U., 2001 3, In: IEEE Transactions on Applied Superconductivity. 11, 1 III, p. 3716-3719 4 p.研究成果: Conference article › 査読
28 被引用数 (Scopus) -
2000
Applications of superconducting permanent magnets driven by static and pulsed fields
Mizutani, U., Ikuta, H., Hosokawa, T., Ishihara, H., Tazoe, K., Oka, T., Itoh, Y., Yanagi, Y. & Yoshikawa, M., 2000 6 1, In: Superconductor Science and Technology. 13, 6, p. 836-840 5 p.研究成果: Conference article › 査読
29 被引用数 (Scopus) -
Construction of a 2-5 T class superconducting magnetic field generator with use of an Sm123 bulk superconductor and its application to high-magnetic field demanding devices
Oka, T., Itoh, Y., Yanagi, Y., Yoshikawa, M., Ikuta, H. & Mizutani, U., 2000 6, In: Physica C: Superconductivity and its applications. 335, 1, p. 101-106 6 p.研究成果: Conference article › 査読
58 被引用数 (Scopus) -
Pulse field magnetization of melt-processed Sm-Ba-Cu-O
Ikuta, H., Ishihara, H., Hosokawa, T., Yanagi, Y., Itoh, Y., Yoshikawa, M., Oka, T. & Mizutani, U., 2000 6, In: Superconductor Science and Technology. 13, 6, p. 846-849 4 p.研究成果: Conference article › 査読
29 被引用数 (Scopus) -
Synthesis of c-axis-oriented Sm123 superconductors and their performance as superconducting permanent magnets
Mizutani, U., Mase, A., Tazoe, K., Ikuta, H., Oka, T., Itoh, Y., Yanagi, Y. & Yoshikawa, M., 2000 6, In: Physica C: Superconductivity and its applications. 335, 1, p. 92-96 5 p.研究成果: Conference article › 査読
19 被引用数 (Scopus)