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Paper Abstract and Keywords
Presentation 2009-12-10 13:00
Oscillation Feature of FGL with Planar Magnet for MAMR
Masukazu Igarashi, Yoshio Suzuki, Yo Sato (Hitachi, Ltd.) MR2009-37
Abstract (in Japanese) (See Japanese page) 
(in English) The mechanism of spin torque oscillation or magnetization rotation in a field generation layer (FGL) for Microwave Assisted Magnetic Recording (MAMR) was investigated by analytical way. Using a single spin model, following results were obtained. 1) The oscillation frequency at the maximum magnetic field output is decided by the vertical component of the magnetic field from the main pole. 2)Ｗhen there is a strong external magnetic field, it is difficult to restrain the FGL magnetization in the plane of FGL and the oscillation becomes unstable. 3) It can be expected that the spin torque oscillator with planar magnetization material is appropriate for MAMR. 4) The spin torque oscillator that has FGL using a planar magnetization material is useful for the MAMR.
Keyword (in Japanese) (See Japanese page) 
(in English) Microwave Assisted Magnetic Recording (MAMR) / spin torque oscillator / field generation layer (FGL) / planar magnetization material / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, Dec. 2009.
Paper #  
Date of Issue 2009-12-03 (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 MR2009-37

Conference Information
Committee ITE-MMS MRIS  
Conference Date 2009-12-10 - 2009-12-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MRIS 
Conference Code 2009-12-MMS-MR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Oscillation Feature of FGL with Planar Magnet for MAMR 
Sub Title (in English)  
Keyword(1) Microwave Assisted Magnetic Recording (MAMR)  
Keyword(2) spin torque oscillator  
Keyword(3) field generation layer (FGL)  
Keyword(4) planar magnetization material  
Keyword(5)  
Keyword(6)  
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Keyword(8)  
1st Author's Name Masukazu Igarashi  
1st Author's Affiliation Hitachi, Ltd. (Hitachi, Ltd.)
2nd Author's Name Yoshio Suzuki  
2nd Author's Affiliation Hitachi, Ltd. (Hitachi, Ltd.)
3rd Author's Name Yo Sato  
3rd Author's Affiliation Hitachi, Ltd. (Hitachi, Ltd.)
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Speaker Author-1 
Date Time 2009-12-10 13:00:00 
Presentation Time 30 minutes 
Registration for MRIS 
Paper # MR2009-37 
Volume (vol) vol.109 
Number (no) no.328 
Page pp.1-6 
#Pages 6 
Date of Issue 2009-12-03 (MR) 

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