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| Presentation | 2015-12-11 11:20 Reducing in switching field of 2-layer ECC dots with inclined magnetic anisotropy Naoki Honda (Tohoku Inst. Tech.), Kiyoshi Yamakawa (Akita Ind. Tech. Center)  MR2015-33 Link to ES Tech. Rep. Archives: MR2015-33 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A simplified 2-layer ECC dot structure with a reduced switching field and a small applied field angel dependence in the switching field is proposed. Although a small applied field angle dependence is obtainable only for 3 or more-layer structures in normal ECC dots, it was found from a spin model analysis that a reduced switching field as well as a small applied field angle dependence of the field is obtainable even for 2-layer ECC dot when the anisotropy axis is weakly inclined with an increased anisotropy for the soft layer. A minimum normalized switching field of 0.51 was obtained using a micromagnetic simulation for a 2-layer ECC dot model of stacked cubes with a size of 5 nm and an anisotropy inclination angle of 10˚. Recording simulation on a bit-pattered medium of the 2-layer ECC dot array also suggested possibility of a high areal density recording of 4 Tdot/in2 without any energy assist scheme. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 2-layer exchange coupled composite / Weakly inclined anisotropy / Switching field / Applied field angle dependence / Recording simulation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, Dec. 2015. | |
| Paper # | ||
| Date of Issue | 2015-12-03 (MR) | |
| ISSN | Print edition: ISSN 0913-5685 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 | MR2015-33 Link to ES Tech. Rep. Archives: MR2015-33 |
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| Conference Information | |
| Committee | MRIS ITE-MMS |
| Conference Date | 2015-12-10 - 2015-12-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ehime Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing, etc. |
| Paper Information | |
| Registration To | MRIS |
| Conference Code | 2015-12-MR-MMS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Reducing in switching field of 2-layer ECC dots with inclined magnetic anisotropy |
| Sub Title (in English) | |
| Keyword(1) | 2-layer exchange coupled composite |
| Keyword(2) | Weakly inclined anisotropy |
| Keyword(3) | Switching field |
| Keyword(4) | Applied field angle dependence |
| Keyword(5) | Recording simulation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Naoki Honda |
| 1st Author's Affiliation | Tohoku Institute of Technology (Tohoku Inst. Tech.) |
| 2nd Author's Name | Kiyoshi Yamakawa |
| 2nd Author's Affiliation | Akita Industrial Technology Center (Akita Ind. Tech. Center) |
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| Speaker | Author-1 |
| Date Time | 2015-12-11 11:20:00 |
| Presentation Time | 25 minutes |
| Registration for | MRIS |
| Paper # | MR2015-33 |
| Volume (vol) | vol.115 |
| Number (no) | no.356 |
| Page | pp.63-68 |
| #Pages | 6 |
| Date of Issue | 2015-12-03 (MR) |
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