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Paper Abstract and Keywords
Presentation 2005-11-11 15:50
Preparation and Magnetic Properties of Hexagonal Ferrite Dot Arry
Akimitsu Morisako, Xiaoxi Liu (Shinshu Univ.) Link to ES Tech. Rep. Archives: CPM2005-157
Abstract (in Japanese) (See Japanese page) 
(in English) A novel process to prepare hexagonal ferrite films with dot arrays has been proposed. Two immiscible elements, which are Al and Si, were first deposited onto Si (111) substrate at various temperatures. The microstructure of this kind of film depends on the concentration, and deposition temperature. Scanning electron microscopy results show that structures with Al dot arrays, in the size range of 30 to 50 nm, embedded into amorphous Si matrix can be obtained by precise control of the sputtering condition. Amorphous Ba-Fe-O films were deposited onto the dot array films at room temperature, and then annealed to crystallize in part. Experimental results indicate that the amorphous Ba-Fe-O film on the Al dot can be crystallized with flash annealing the samples at 700 oC for 60 second. However, that on the amorphous Si keeps amorphous state. A structure with magnetic dot arrays embedded into nonmagnetic matrix has been achieved by this process. The magnetic properties of the samples have been discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Magnetic recording media / Self-assembly / nano-dot array / / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 393, CPM2005-157, pp. 29-32, Nov. 2005.
Paper # CPM2005-157 
Date of Issue 2005-11-04 (CPM) 
ISSN Print edition: ISSN 0913-5685
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 Link to ES Tech. Rep. Archives: CPM2005-157

Conference Information
Committee CPM  
Conference Date 2005-11-11 - 2005-11-12 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To CPM 
Conference Code 2005-11-CPM 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Preparation and Magnetic Properties of Hexagonal Ferrite Dot Arry 
Sub Title (in English)  
Keyword(1) Magnetic recording media  
Keyword(2) Self-assembly  
Keyword(3) nano-dot array  
1st Author's Name Akimitsu Morisako  
1st Author's Affiliation Shinshu University (Shinshu Univ.)
2nd Author's Name Xiaoxi Liu  
2nd Author's Affiliation Shinshu University (Shinshu Univ.)
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Speaker Author-1 
Date Time 2005-11-11 15:50:00 
Presentation Time 25 minutes 
Registration for CPM 
Paper # CPM2005-157 
Volume (vol) vol.105 
Number (no) no.393 
Page pp.29-32 
Date of Issue 2005-11-04 (CPM) 

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