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Paper Abstract and Keywords
Presentation 2017-06-09 11:10
Magnetisation switching of ECC grains in microwave-assisted magnetic recording
Simon Greaves (Tohoku Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2017-10
Abstract (in Japanese) (See Japanese page) 
(in English) Microwave-assisted magnetic recording (MAMR) was investigated using a planar write head and exchange-coupled composite (ECC) media. In the presence of a high frequency (HF) field, hysteresis loop calculations show that it is possible to reverse the magnetisation of an ECC grain before the DC field reaches zero, i.e. the switching field of the grain becomes negative. A similar effect is found when recording on ECC media using a planar head field distribution and the HF field generated by a spin torque oscillator (STO). It is possible to switch the media magnetisation into the opposite direction to the head field. The conditions for realising this effect will be discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) microwave / assisted / magnetic / recording / media / / /  
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 MR2017-10

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 English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Magnetisation switching of ECC grains in microwave-assisted magnetic recording 
Sub Title (in English)  
Keyword(1) microwave  
Keyword(2) assisted  
Keyword(3) magnetic  
Keyword(4) recording  
Keyword(5) media  
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Keyword(8)  
1st Author's Name Simon Greaves  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Yasushi Kanai  
2nd Author's Affiliation Niigata Institute of Technology (Niigata Inst. Tech.)
3rd Author's Name Hiroaki Muraoka  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2017-06-09 11:10:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MR2017-10 
Volume (vol) vol.117 
Number (no) no.80 
Page pp.65-70 
#Pages 6 
Date of Issue 2017-06-01 (MR) 

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