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| Presentation | 2012-06-15 10:00 Spatial Resolution and Switching Field of Magnetic Force Microscope Tips Coated with L10 and L11 Ordered Magnetic Films Shinji Ishihara, Mitsuru Ohtake, Masaaki Futamoto (Chuo Univ.)  MR2012-7 Link to ES Tech. Rep. Archives: MR2012-7 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Magnetic force microscope (MFM) tips are prepared by coating Si tips of 4 nm radius with L10 ordered FePd and L11 ordered CoPt alloy films varying the thickness in a range between 20 and 80 nm. The effects of coated material, order degree, and coating thickness on the MFM spatial resolution as well as the switching field of MFM tip are investigated. The MFM resolution is influenced by the coated material and the coating thickness. As the coating thickness decreases from 80 to 20 nm, resolution is improved from 9.1 to 7.9 nm and from 9.1 to 7.5 nm for tips coated with FePd and CoPt films, respectively. The switching field of tip coated with 80-nm-thick FePd film increases from 0.25 to 1.50 kOe with increasing the order degree (S) of L10 from 0 to 0.52. The switching field is also influenced by the coating thickness. As the coating thickness increases from 20 to 80 nm, the switching field increases from 0.90 to 1.50 kOe and from 1.70 to 2.70 kOe for tips coated with FePd film of S = 0.52 and coated with CoPt film of S = 0.09, respectively. The present study has shown that it is possible to prepare an MFM tip with the resolution better than 10 nm and the switching field higher than 1.5 kOe by coating a sharp Si tip with L10 ordered FePd alloy or L11 ordered CoPt alloy film. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | magnetic force microscope tip / resolution / switching field / L10 / L11 / ordered alloy / FePd / CoPt | |
| Reference Info. | IEICE Tech. Rep., vol. 112, June 2012. | |
| Paper # | ||
| Date of Issue | 2012-06-07 (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 | MR2012-7 Link to ES Tech. Rep. Archives: MR2012-7 |
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| Conference Information | |
| Committee | MRIS ITE-MMS |
| Conference Date | 2012-06-14 - 2012-06-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | REcording system, etc. |
| Paper Information | |
| Registration To | MRIS |
| Conference Code | 2012-06-MR-MMS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Spatial Resolution and Switching Field of Magnetic Force Microscope Tips Coated with L10 and L11 Ordered Magnetic Films |
| Sub Title (in English) | |
| Keyword(1) | magnetic force microscope tip |
| Keyword(2) | resolution |
| Keyword(3) | switching field |
| Keyword(4) | L10 |
| Keyword(5) | L11 |
| Keyword(6) | ordered alloy |
| Keyword(7) | FePd |
| Keyword(8) | CoPt |
| 1st Author's Name | Shinji Ishihara |
| 1st Author's Affiliation | Chuo University (Chuo Univ.) |
| 2nd Author's Name | Mitsuru Ohtake |
| 2nd Author's Affiliation | Chuo University (Chuo Univ.) |
| 3rd Author's Name | Masaaki Futamoto |
| 3rd Author's Affiliation | Chuo University (Chuo Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-06-15 10:00:00 |
| Presentation Time | 30 minutes |
| Registration for | MRIS |
| Paper # | MR2012-7 |
| Volume (vol) | vol.112 |
| Number (no) | no.80 |
| Page | pp.35-42 |
| #Pages | 8 |
| Date of Issue | 2012-06-07 (MR) |
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