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Paper Abstract and Keywords
Presentation 2018-06-07 14:15
Effect of SIL magnetic design on STO optimization in MAMR
Ikuya Tagawa (TohTech) MRIS2018-3
Abstract (in Japanese) (See Japanese page) 
(in English) In microwave assisted magnetic recording (MAMR), the uniform and stable oscillation of magnetization is one of the most important factors for spin torque oscillator (STO). In this paper, to get maximum microwave assist field (MA field) generated from STO, magnetic design is optimized for the spin injection layer (SIL) and the field generation layer (FGL) of STO using micromagnetics simulation. It is shown that the smaller Bs of SIL is required for larger Bs of FGL, and once the Bs of FGL was given, the other parameters can be chosen uniquely. It is also found that thicker FGL with lower Bs makes magnetization to form circular distribution in the film, but which gives even larger MA field with higher oscillation frequency.
Keyword (in Japanese) (See Japanese page) 
(in English) Microwave assisted magnetic recording / Spin-torque oscillator / Micromagnetics / magnetic interaction / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 74, MRIS2018-3, pp. 13-17, June 2018.
Paper # MRIS2018-3 
Date of Issue 2018-05-31 (MRIS) 
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 MRIS2018-3

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2018-06-07 - 2018-06-08 
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 2018-06-MRIS-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of SIL magnetic design on STO optimization in MAMR 
Sub Title (in English)  
Keyword(1) Microwave assisted magnetic recording  
Keyword(2) Spin-torque oscillator  
Keyword(3) Micromagnetics  
Keyword(4) magnetic interaction  
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1st Author's Name Ikuya Tagawa  
1st Author's Affiliation Tohoku Institute of Technology (TohTech)
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Speaker Author-1 
Date Time 2018-06-07 14:15:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MRIS2018-3 
Volume (vol) vol.118 
Number (no) no.74 
Page pp.13-17 
#Pages 5 
Date of Issue 2018-05-31 (MRIS) 

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