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Paper Abstract and Keywords
Presentation 2008-10-09 13:30
Fabrication of Co-Pt Dot Array with 1 Tbit/in2 for Bit Patterned Media
Yuji Kondo, Takashi Chiba, Jun Ariake, Kaori Taguchi (Akita Pref. R&D Center), Motohiro Suzuki, Naomi Kawamura (JASRI), Zulfakri Bin Mohamad, Sumio Hosaka (Gunma Univ.), Takashi Hasegawa, Shunji Ishio (AKita Univ.), Naoki Honda (Tohoku Inst. of Technol.) MR2008-19
Abstract (in Japanese) (See Japanese page) 
(in English) We fabricated Co-Pt magnetic dot arrays using an electron beam writing and a low-energy ion etching in order to prevent from the deterioration of the magnetic properties. By comparing the results of X-ray magnetic circular dichroism measurement and micro magnetic simulation, it was found that the etching using low-energy ions cause little damage on not only the magnetization but also the anisotropy field. These results demonstrate the effectiveness of the etching using low-energy ions for realization of bit-patterned media with an areal density of 1 Tbit/in2. Furthermore, the magnetic isolation between the dots in the magnetic dot array with the dot pitch of 30 nm was confirmed by SEM and MFM observations.
Keyword (in Japanese) (See Japanese page) 
(in English) Bit-patterned media / Areal density of 1 Tbit/in2 / Low-energy ion etching / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, Oct. 2008.
Paper #  
Date of Issue 2008-10-02 (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 MR2008-19

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2008-10-09 - 2008-10-10 
Place (in Japanese) (See Japanese page) 
Place (in English) AIT, Akita Research and Development Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Head, media and general 
Paper Information
Registration To MRIS 
Conference Code 2008-10-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fabrication of Co-Pt Dot Array with 1 Tbit/in2 for Bit Patterned Media 
Sub Title (in English)  
Keyword(1) Bit-patterned media  
Keyword(2) Areal density of 1 Tbit/in2  
Keyword(3) Low-energy ion etching  
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1st Author's Name Yuji Kondo  
1st Author's Affiliation Akita Prefectural R&D Center (Akita Pref. R&D Center)
2nd Author's Name Takashi Chiba  
2nd Author's Affiliation Akita Prefectural R&D Center (Akita Pref. R&D Center)
3rd Author's Name Jun Ariake  
3rd Author's Affiliation Akita Prefectural R&D Center (Akita Pref. R&D Center)
4th Author's Name Kaori Taguchi  
4th Author's Affiliation Akita Prefectural R&D Center (Akita Pref. R&D Center)
5th Author's Name Motohiro Suzuki  
5th Author's Affiliation Japan Synchrotron Radiation Research Institute (JASRI)
6th Author's Name Naomi Kawamura  
6th Author's Affiliation Japan Synchrotron Radiation Research Institute (JASRI)
7th Author's Name Zulfakri Bin Mohamad  
7th Author's Affiliation Gunma University (Gunma Univ.)
8th Author's Name Sumio Hosaka  
8th Author's Affiliation Gunma University (Gunma Univ.)
9th Author's Name Takashi Hasegawa  
9th Author's Affiliation Akita University (AKita Univ.)
10th Author's Name Shunji Ishio  
10th Author's Affiliation Akita University (AKita Univ.)
11th Author's Name Naoki Honda  
11th Author's Affiliation Tohoku Institute of Technology (Tohoku Inst. of Technol.)
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Speaker Author-1 
Date Time 2008-10-09 13:30:00 
Presentation Time 40 minutes 
Registration for MRIS 
Paper # MR2008-19 
Volume (vol) vol.108 
Number (no) no.234 
Page pp.1-6 
#Pages 6 
Date of Issue 2008-10-02 (MR) 

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