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Paper Abstract and Keywords
Presentation 2018-06-08 09:15
Effects of FGL with Negative Anisotropy Constant on Reduction of Injection Current Density
Fumiko Akagi, Aina Kase, Zeon Sai, Kazuetsu Yoshida (Kogakuin Univ.) MRIS2018-9
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). Here, an injection current density J applied to the STO is required lower than 1×10^12 A/m^2. In this study, effects of structures of a spin injection layer (SIL) on the reduction of J in case of a field generation layer (FGL) with a negative anisotropy constant were investigated by using LLG simulator. As a result, when the FGL was between two SILs, the J could be reduced to 1.40×1012 A/m^2, however, the AC-field was obtained only 46 kA/m.
Keyword (in Japanese) (See Japanese page) 
(in English) icrowave assisted magnetic recording / Negative anisotropy constant / Dual SIL / Injection current density / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 74, MRIS2018-9, pp. 49-54, June 2018.
Paper # MRIS2018-9 
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 MRIS2018-9

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) Effects of FGL with Negative Anisotropy Constant on Reduction of Injection Current Density 
Sub Title (in English)  
Keyword(1) icrowave assisted magnetic recording  
Keyword(2) Negative anisotropy constant  
Keyword(3) Dual SIL  
Keyword(4) Injection current density  
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Keyword(6)  
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1st Author's Name Fumiko Akagi  
1st Author's Affiliation Kogakuin University (Kogakuin Univ.)
2nd Author's Name Aina Kase  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ.)
3rd Author's Name Zeon Sai  
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 2018-06-08 09:15:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MRIS2018-9 
Volume (vol) vol.118 
Number (no) no.74 
Page pp.49-54 
#Pages 6 
Date of Issue 2018-05-31 (MRIS) 

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