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ナカヤマ アキヨシ
Nakayama Akiyoshi 中山 明芳 所属 神奈川大学 工学部 電気電子情報工学科 神奈川大学大学院 工学研究科 工学専攻（電気電子情報工学領域） 職種 教授 |
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| 言語種別 | 英語 |
| 発行・発表の年月 | 2016/04 |
| 形態種別 | 学術雑誌 |
| 査読 | 査読あり |
| 標題 | Deviation from Fraunhofer-Type Modulation of Josephson Current Through Niobium Tunnel Junctions by Applying Vertical Magnetic Field |
| 執筆形態 | 共著 |
| 掲載誌名 | IEEE Transactions on Applied Superconductivity |
| 掲載区分 | 国外 |
| 出版社・発行元 | IEEE Institute of Electrical and Electronic Engineering |
| 巻・号・頁 | 26(3),pp.1100606-1-1100606-6 |
| 担当範囲 | Device fabrication, measurement |
| 著者・共著者 | ◎Akiyoshi NAKAYAMA,Susumu ABE, Norimichi WATANABE |
| 概要 | Anomalous modulation characteristics of Josephson current Ic through niobium tunnel junction have been measured by applying the external magnetic field in perpendicular direction. Josephson current Ic through superconducting niobium/aluminum-oxide/niobium tunnel junction is modulated by applying the parallel magnetic field (Hx, Hy) and the vertical field Hz to the junction plane using three pairs of Helmholtz coils. Modulation characteristics of the Ic value upon the vertical field Hz have hysteresis. After applying the vertical field Hz more than 5000 A/m, during removing process of this vertical field Hz, the Ic-(Hx,Hy) modulation pattern shows triangle shape main peak area, due to the remained trapping and shielding magnetic flux at niobium electrodes. |
| researchmap用URL | http://www.ieee.org |
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