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Paper Abstract and Keywords
Presentation 2016-06-09 14:15
Magnetization switching behavior in single epitaxial Co/Pt multilayer dot
Bin Lao, Satoshi Okamoto, Nobuaki Kikuchi, Osamu Kitakami (Tohoku Univ.) MR2016-4 Link to ES Tech. Rep. Archives: MR2016-4
Abstract (in Japanese) (See Japanese page) 
(in English) Magnetization switching behavior in single dots of an epitaxially grown Co/Pt multilayer with various dot diameters ranging from 120 to 1600 nm haven been studied. All the dots used in this study are considered to be of the nucleation type switching behavior from the angular dependence of the switching field. However, detailed analysis of the thermally activated magnetization switching reveals that there is a critical diameter of 400 nm above which the switching process changes. For the dot diameter smaller than 400 nm, the switching behavior is well explained by the nucleation process based on the single-energy barrier model. On the other hand, the switching behavior for the dots larger than 400 nm obviously deviates from that for the dots smaller than 400 nm and can be plausibly explained by the multi-barrier model.
Keyword (in Japanese) (See Japanese page) 
(in English) Intrinsic switching behavior / Epitaxial Co/Pt multilayer / Single dot / Size dependence / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, June 2016.
Paper #  
Date of Issue 2016-06-02 (MR) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Download PDF MR2016-4 Link to ES Tech. Rep. Archives: MR2016-4

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2016-06-09 - 2016-06-10 
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 2016-06-MR-MMS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Magnetization switching behavior in single epitaxial Co/Pt multilayer dot 
Sub Title (in English)  
Keyword(1) Intrinsic switching behavior  
Keyword(2) Epitaxial Co/Pt multilayer  
Keyword(3) Single dot  
Keyword(4) Size dependence  
1st Author's Name Bin Lao  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Satoshi Okamoto  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Nobuaki Kikuchi  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Osamu Kitakami  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2016-06-09 14:15:00 
Presentation Time 25 
Registration for MRIS 
Paper # IEICE-MR2016-4 
Volume (vol) IEICE-116 
Number (no) no.83 
Page pp.17-20 
#Pages IEICE-4 
Date of Issue IEICE-MR-2016-06-02 

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