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Paper Abstract and Keywords
Presentation 2014-12-12 09:25
Effect of layer thickness ratio on magnetization reversal process in stacked media with high coercivity
Naoto Nomiya, Akihiro Oyama, Ryuji Sugita (Ibaraki Univ.) MR2014-37
Abstract (in Japanese) (See Japanese page) 
(in English) Effect of thickness ratio and interlayer exchange coupling on time-evolutional magnetization reversal process in stacked media with high coercivity was investigated by utilizing micromagnetic simulation. Regardless of the layer thickness ratio, for each stacked medium the magnetization reversal process is divided into three regions, namely the spin-flop rotation, the incoherent rotation and the coherent rotation along with increase of the interlayer exchange coupling constant $A_{interlayer}$. In order to get the incoherent rotation region which is suitable for the recording media, it is required that the $A_{interlayer} is between about $1.3times10^{-7}$ and $2.2times10^{-7}& erg/cm for the media with the layer thickness ratio of 1 : 3 and 3 : 1, and that one is between about $1.8times10^{-7}$ and $2.5times10^{-7}$ erg/cm for the media with the ratio near 1 : 1.
Keyword (in Japanese) (See Japanese page) 
(in English) Stacked recording media / Layer thickness ratio / Magnetization reversal process / Interlayer exchange coupling / Incoherent rotation / / /  
Reference Info. IEICE Tech. Rep., vol. 114, Dec. 2014.
Paper #  
Date of Issue 2014-12-04 (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 MR2014-37

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2014-12-11 - 2014-12-12 
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 2014-12-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of layer thickness ratio on magnetization reversal process in stacked media with high coercivity 
Sub Title (in English)  
Keyword(1) Stacked recording media  
Keyword(2) Layer thickness ratio  
Keyword(3) Magnetization reversal process  
Keyword(4) Interlayer exchange coupling  
Keyword(5) Incoherent rotation  
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Keyword(7)  
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1st Author's Name Naoto Nomiya  
1st Author's Affiliation Ibaraki Univercity (Ibaraki Univ.)
2nd Author's Name Akihiro Oyama  
2nd Author's Affiliation Ibaraki Univercity (Ibaraki Univ.)
3rd Author's Name Ryuji Sugita  
3rd Author's Affiliation Ibaraki Univercity (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2014-12-12 09:25:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MR2014-37 
Volume (vol) vol.114 
Number (no) no.355 
Page pp.53-57 
#Pages 5 
Date of Issue 2014-12-04 (MR) 

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