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Paper Abstract and Keywords
Presentation 2017-06-09 09:40
Saturation Magnetization and Thickness of SIL for Reduction of Injection Current Density for STO with Dual SIL
Aina Kase, Tomoko Kamimura, Fumiko Akagi, Kazuetsu Yoshida (Kogakuin Univ.) MR2017-7
Abstract (in Japanese) (See Japanese page) 
(in English) Microwave assisted magnetic recording(MAMR) is one of the promising recording methods to achieve high magnetic recording of a hard disk drive. MAMR assists magnetic recording using the spin torque oscillator (STO). Injection current density applied the STO is required lower than 1 ×10^{12} A/m^2. Then, last year, J. G. Zhu proposed a dual SIL methods with SIL on both side of FGL. In this study, influence of saturation magnetization (M_s) and thickness of SIL giving transmission spin torque filed for reduction of injection current density were investigated using LLG simulator. As a result, when M_s = 0.5 T and thickness = 1.25 nm, injection current density can reduce 9.12×10^{11} A/m^2, which is lower than the target value.
Keyword (in Japanese) (See Japanese page) 
(in English) Microwave assisted magnetic recording / Dual SIL / Injection current density / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, June 2017.
Paper #  
Date of Issue 2017-06-01 (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 MR2017-7

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2017-06-08 - 2017-06-09 
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 2017-06-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Saturation Magnetization and Thickness of SIL for Reduction of Injection Current Density for STO with Dual SIL 
Sub Title (in English)  
Keyword(1) Microwave assisted magnetic recording  
Keyword(2) Dual SIL  
Keyword(3) Injection current density  
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1st Author's Name Aina Kase  
1st Author's Affiliation Kogakuin University (Kogakuin Univ.)
2nd Author's Name Tomoko Kamimura  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ.)
3rd Author's Name Fumiko Akagi  
3rd Author's Affiliation Kogakuin University (Kogakuin Univ.)
4th Author's Name Kazuetsu Yoshida  
4th Author's Affiliation Kogakuin University (Kogakuin Univ.)
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Speaker Author-1 
Date Time 2017-06-09 09:40:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MR2017-7 
Volume (vol) vol.117 
Number (no) no.80 
Page pp.47-52 
#Pages 6 
Date of Issue 2017-06-01 (MR) 

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