Tetsuo Oka

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, ： : Journal of Physics: Conference Series. 1293, 1, 012044.

研究成果: Conference article

公開

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, ： : Journal of Physics: Conference Series. 1293, 1, 012046.

研究成果: Conference article

公開

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, ： : Journal of Physics: Conference Series. 1054, 1, 012047.

研究成果: Conference article

Comparison of Trapped Field Characteristic of Bulk Magnet System Using Various Type Refrigerators

Yokoyama, K., Katsuki, A., Miura, A. & Oka, T., 2018 7 26, ： : Journal of Physics: Conference Series. 1054, 1, 012072.

研究成果: Conference article

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, ： : Journal of Physics: Conference Series. 871, 1, 012050.

研究成果: Conference article

1 引用（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, ： : Journal of Physics: Conference Series. 871, 1, 012049.

研究成果: Conference article

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, ： : Journal of Physics: Conference Series. 897, 1, 012024.

研究成果: Conference article

1 引用（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 1 1, ： : Physics Procedia. 81, p. 45-48 4 p.

研究成果: Conference article

2 引用（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 1 1, ： : Physics Procedia. 67, p. 1005-1009 5 p.

研究成果: Conference article

3 引用（Scopus）

2014

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 1 1, ： : Journal of Physics: Conference Series. 507, PART 1, 012039.

研究成果: Conference article

4 引用（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 1 1, ： : Physics Procedia. 45, p. 261-264 4 p.

研究成果: Conference article

3 引用（Scopus）

Investigation of the Flux Flow-inhibiting Effect of a Hole-opened Superconducting Bulk Magnet

Yokoyama, K., Tsukui, T., Mita, H., Tsubonoya, N. & Oka, T., 2013 1 1, ： : Physics Procedia. 58, p. 302-305 4 p.

研究成果: Conference article

公開

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., 2013 1 1, ： : Physics Procedia. 58, p. 74-77 4 p.

研究成果: Conference article

公開

2 引用（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 1 1, ： : Journal of Physics: Conference Series. 400, PART 2, 022089.

研究成果: Conference article

5 引用（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, ： : Physica C: Superconductivity and its Applications. 426-431, I, p. 594-601 8 p.

研究成果: Conference article

6 引用（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, ： : Physica C: Superconductivity and its Applications. 426-431, I, p. 764-769 6 p.

研究成果: Conference article

32 引用（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, ： : Physica C: Superconductivity and its Applications. 426-431, I, p. 794-799 6 p.

研究成果: Conference article

11 引用（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, ： : Physica C: Superconductivity and its Applications. 426-431, I, p. 671-675 5 p.

研究成果: Conference article

10 引用（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 1, ： : Physica C: Superconductivity and its Applications. 392-396, PART 1, p. 709-712 4 p.

研究成果: Conference article

13 引用（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 1, ： : IEEE Transactions on Applied Superconductivity. 13, 2 II, p. 1584-1587 4 p.

研究成果: Conference article

12 引用（Scopus）

High gradient magnetic separation using superconducting bulk magnets

Yokoyama, K., Oka, T., Okada, H. & Noto, K., 2003 10 1, ： : Physica C: Superconductivity and its Applications. 392-396, PART 1, p. 739-744 6 p.

研究成果: Conference article

30 引用（Scopus）

Solid-liquid magnetic separation using bulk superconducting magnets

Yokoyama, K., Oka, T., Okada, H., Fujine, Y., Chiba, A. & Noto, K., 2003 6 1, ： : IEEE Transactions on Applied Superconductivity. 13, 2 II, p. 1592-1595 4 p.

研究成果: Conference article

38 引用（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 1, ： : IEEE Transactions on Applied Superconductivity. 11, 1 III, p. 3716-3719 4 p.

研究成果: Conference article

25 引用（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, ： : Superconductor Science and Technology. 13, 6, p. 836-840 5 p.

研究成果: Conference article

27 引用（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 1 1, ： : Physica C: Superconductivity and its Applications. 335, 1, p. 101-106 6 p.

研究成果: Conference article

56 引用（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 1, ： : Superconductor Science and Technology. 13, 6, p. 846-849 4 p.

研究成果: Conference article

28 引用（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 1 1, ： : Physica C: Superconductivity and its Applications. 335, 1, p. 92-96 5 p.

研究成果: Conference article

18 引用（Scopus）

岡 徹雄

岡徹雄