Yokoyama Kazuya

ヨコヤマカズヤ | Yokoyama Kazuya

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://www2.ashitech.ac.jp/elec/yokoyama/index.html

Research field (1)： Electric/electronic material engineering

Research keywords (8)：超伝導磁石 , 着磁 , 高温酸化物超伝導体 , 超伝導 , Superconducting bulk magnet , Magnetization , High-Tc oxide superconductor , Superconductivity

Research theme for competitive and other funds (7)：

2022 - 2025 単一の超電導バルク磁極を使った超小型NMRの研究
2020 - 2023 Consideration of magnetizing system aiming for light-weighting of superconducting motor
2015 - 2017 無電解ニッケルめっき廃液からのニッケル回収のための磁気分離技術の研究
2015 - 2017 Improvement of trapped field performance on a desktop-type superconducting bulk
2012 - 2014 Simplification of magnetization aiming at practical use of a small-size strong magnet

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Papers (55)：

K. Takemura, K. Sudo, R. Dorget, J. L. Dadiel, M. Sakafuji, K. Yokoyama, T. Oka, M. Murakami, N. Sakai. Pulsed Field Magnetizing Behavior of Gd-Ba-Cu-O Bulk Superconductor With a Superconducting Joint. IEEE Transactions on Applied Superconductivity. 2023. 33. 5
K. Takemura, K. Sudo, R. Dorget, J. L. Dadiel, M. Sakafuji, K. Yokoyama, T. Oka, N. Sakai. Yoke geometry study using pulsed field magnetization on superconducting joined bulk Gd-Ba-Cu-O. Journal of Physics: Conference Series. 2023. 2545. 1
T Oka, K Sudo, J L Dadiel, N Sakai, H Seki, M Miryala, M Murakami, T Nakano, M Ooizumi, K Yokoyama, et al. Magnetic separation of nickel-plating waste liquid using a high temperature superconducting bulk magnet. Superconductor Science and Technology. 2022. 35. 9. 094006-094006
Kazuya Yokoyama, Tetsuo Oka. A numerical evaluation of magnetizing characteristic of bulk magnet excited by pulsed-field magnetization with different shaped soft-iron yokes. IEEE Transactions on Applied Superconductivity. 2022. 32. 6
M. Takahashi, S. Kikuchi, N. Inoue, N. Sakai, M. Murakami, K. Yokoyama, T. Oka, T. Nakamura. NMR Relaxometry Using Outer Field of Single-Sided HTS Bulk Magnet Activated by Pulsed Field. IEEE Transactions on Applied Superconductivity. 2022. 32. 6. 1-4

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MISC (233)：

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Patents (8)：

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Books (2)：

High-Temperature Superconductors: Occurrence, Synthesis and Applications
Nova science publisher 2018 ISBN:9781536133417
入門磁気活用技術
工業調査会 2005

Lectures and oral presentations (40)：

REBCOバルクのパルス着磁におけるヨークの形状と捕捉磁場の関係
(令和2年電気学会全国大会 2020)
Magnetizing performance evaluation of GdBCO bulkmagnetusingdifferent shapes of soft-iron yoke
(10th ACASC / 2nd Asian-ICMC / CSSJ joint conference 2020)
Trapped field evaluation of ring-shaped GdBCO bulkmagnetexcited by pulsed field magnetization
(10th ACASC / 2nd Asian-ICMC / CSSJ joint conference 2020)
Magnetic Flux Trapping and Flux Jumps in Pulsed Field Magnetizing Processes in REBCO and Mg-B Bulk Magnets
(32th International Symposium on Superconductivity (ISS2019) 2019)
Pulsed field magnetization of GdBCO bulk using a ring-shaped soft-iron yoke
(32th International Symposium on Superconductivity (ISS2019) 2019)

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Education (3)：

1995 - 1999 Niigata University Graduate School of Science and Technology Specizliaed Course of Information Science and Engineering
1993 - 1995 Niigata University
1989 - 1993 Niigata University Faculty of Engineering Department of Electrical and Electronic Engineering

Professional career (1)：

Work history (10)：

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Committee career (11)：

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Association Membership(s) (2)：

The Institute of Electrical Engineers of Japan , the Cryogenics and Superconductivity Society of Japan

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