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| Presentation | 2020-11-26 10:20 Fabrication of NbN based ferromagnetic Josephson junction with PdNi barrier layer Riku Sugimoto, Hayate Nakamura, Duong Pham, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki (Nagoya Univ.)  SCE2020-14 Link to ES Tech. Rep. Archives: SCE2020-14 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We develop ferromagnetic Josephson junctions to realize the flux-bias-free superconducting flux quantum bit (qubit) with the ferromagnetic π junction which has an advantage for large-scale superconducting quantum circuits. As NbN-based ferromagnetic Josephson junction suitable for the qubit applications, NbN/CuNi/NbN ferromagnetic π junctions have been reported so far. In the junctions with CuNi barrier, however, inhomogeneous Ni clusters in the CuNi film has been reported. In this work, we fabricated the NbN-based Josephson junctions with ferromagnetic PdNi barriers in which the better in-plane magnetic uniformity is expected and evaluated their characterisitcs. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Quantum bit / Ferromagnetic Josephson junction / π-junction / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 251, SCE2020-14, pp. 29-33, Nov. 2020. | |
| Paper # | SCE2020-14 | |
| Date of Issue | 2020-11-18 (SCE) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | SCE2020-14 Link to ES Tech. Rep. Archives: SCE2020-14 |
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| Conference Information | |
| Committee | SCE |
| Conference Date | 2020-11-25 - 2020-11-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SCE |
| Conference Code | 2020-11-SCE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fabrication of NbN based ferromagnetic Josephson junction with PdNi barrier layer |
| Sub Title (in English) | |
| Keyword(1) | Quantum bit |
| Keyword(2) | Ferromagnetic Josephson junction |
| Keyword(3) | π-junction |
| Keyword(4) | |
| Keyword(5) | |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Riku Sugimoto |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Hayate Nakamura |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Duong Pham |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 4th Author's Name | Masamitsu Tanaka |
| 4th Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 5th Author's Name | Taro Yamashita |
| 5th Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 6th Author's Name | Akira Fujimaki |
| 6th Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-11-26 10:20:00 |
| Presentation Time | 25 minutes |
| Registration for | SCE |
| Paper # | SCE2020-14 |
| Volume (vol) | vol.120 |
| Number (no) | no.251 |
| Page | pp.29-33 |
| #Pages | 5 |
| Date of Issue | 2020-11-18 (SCE) |
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