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| Presentation | 2023-06-09 11:10 Thermal activation process in microwave assisted switching Nobuaki Kikuchi, Katsunari Sato, Satoshi Mizutani, Masatoshi Hatayama, Takehito Shimatsu, Satoshi Okamoto (Tohoku Univ.)  MRIS2023-7 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Microwave-assisted magnetization switching is a technology, which can reduce the switching field by applying a GHz-band microwave magnetic field. The technology enables to increase magnetic recording density further, by employing media with higher magnetic anisotropy. It has been pointed out that the frequency dependence of the reversal field and the behavior of the critical frequency at which the assist effect disappears depends greatly on the samples, and there is a large discrepancy between the experiments and the calculations. We have found that thermal fluctuations have a significant effect on the behavior of microwave-assisted magnetization switching in the experiments. In this paper, we briefly review the thermal activation process in microwave-assisted magnetization switching and report the experimental results for nanostructures of Co/Pt multilayer. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | / / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 65, MRIS2023-7, pp. 37-42, June 2023. | |
| Paper # | MRIS2023-7 | |
| Date of Issue | 2023-06-01 (MRIS) | |
| 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 | MRIS2023-7 |
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| Conference Information | |
| Committee | MRIS ITE-MMS |
| Conference Date | 2023-06-08 - 2023-06-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. （RIEC) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Recording system, head, media, etc |
| Paper Information | |
| Registration To | MRIS |
| Conference Code | 2023-06-MRIS-MMS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Thermal activation process in microwave assisted switching |
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| 1st Author's Name | Nobuaki Kikuchi |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Katsunari Sato |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Satoshi Mizutani |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Masatoshi Hatayama |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Takehito Shimatsu |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 6th Author's Name | Satoshi Okamoto |
| 6th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2023-06-09 11:10:00 |
| Presentation Time | 25 minutes |
| Registration for | MRIS |
| Paper # | MRIS2023-7 |
| Volume (vol) | vol.123 |
| Number (no) | no.65 |
| Page | pp.37-42 |
| #Pages | 6 |
| Date of Issue | 2023-06-01 (MRIS) |
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