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| Presentation | 2016-06-10 10:55 Simulation of STO for microwave-assisted magnetic recording (3) -- Optimum injected current of integrated STO -- Kazuki Abe, Yuuki Tabuse, Yasushi Kanai (NIIT), kazuetsu Yoshida (Kogakuin Univ.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.)  MR2016-11 Link to ES Tech. Rep. Archives: MR2016-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Micromagnetic analysis was carried out for the spin-torque oscillator (STO) used for microwave-assisted magnetic recording (MAMR) and the optimum injected current density (Jopt) was obtained. Three structures (cylinder, cylinder with cut and cuboid with cut) were considered as STO and inserted into a write head. If Jopt was assumed to be that where the angle between the FGL and RL magnetization = 80 – 85˚, then Jopt for the cylinder was 30% smaller than that of the cuboid with cut, which coincided with the isolated model. When Jopt was assumed to be the current which made the angle between the FGL and RL magnetization = 90˚, Jopt was the same for all three structures. We also compared the clockwise (CW) and counter clockwise (CCW) components of the STO field in the medium. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Microwave-assisted magnetic recording / spin-torque oscillator / spin injected current / micromagnetic simulation / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, June 2016. | |
| Paper # | ||
| Date of Issue | 2016-06-02 (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 | MR2016-11 Link to ES Tech. Rep. Archives: MR2016-11 |
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| Conference Information | |
| Committee | MRIS ITE-MMS |
| Conference Date | 2016-06-09 - 2016-06-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Recording Systems, etc. |
| Paper Information | |
| Registration To | MRIS |
| Conference Code | 2016-06-MR-MMS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Simulation of STO for microwave-assisted magnetic recording (3) |
| Sub Title (in English) | Optimum injected current of integrated STO |
| Keyword(1) | Microwave-assisted magnetic recording |
| Keyword(2) | spin-torque oscillator |
| Keyword(3) | spin injected current |
| Keyword(4) | micromagnetic simulation |
| Keyword(5) | |
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| 1st Author's Name | Kazuki Abe |
| 1st Author's Affiliation | Niigata Institute of Technology (NIIT) |
| 2nd Author's Name | Yuuki Tabuse |
| 2nd Author's Affiliation | Niigata Institute of Technology (NIIT) |
| 3rd Author's Name | Yasushi Kanai |
| 3rd Author's Affiliation | Niigata Institute of Technology (NIIT) |
| 4th Author's Name | kazuetsu Yoshida |
| 4th Author's Affiliation | Kogakuin University (Kogakuin Univ.) |
| 5th Author's Name | Simon Greaves |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 6th Author's Name | Hiroaki Muraoka |
| 6th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-3 |
| Date Time | 2016-06-10 10:55:00 |
| Presentation Time | 25 minutes |
| Registration for | MRIS |
| Paper # | MR2016-11 |
| Volume (vol) | vol.116 |
| Number (no) | no.83 |
| Page | pp.67-72 |
| #Pages | 6 |
| Date of Issue | 2016-06-02 (MR) |
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