| Presentation | 2018-06-07 Effect of SIL magnetic design on STO optimization in MAMR Ikuya Tagawa, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In microwave assisted magnetic recording (MAMR), the uniform and stable oscillation of magnetization is one of the most important factors for spin torque oscillator (STO). In this paper, to get maximum microwave assist field (MA field) generated from STO, magnetic design is optimized for the spin injection layer (SIL) and the field generation layer (FGL) of STO using micromagnetics simulation. It is shown that the smaller Bs of SIL is required for larger Bs of FGL, and once the Bs of FGL was given, the other parameters can be chosen uniquely. It is also found that thicker FGL with lower Bs makes magnetization to form circular distribution in the film, but which gives even larger MA field with higher oscillation frequency. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Microwave assisted magnetic recording / Spin-torque oscillator / Micromagnetics / magnetic interaction |
| Paper # | MRIS2018-3 |
| Date of Issue | 2018-05-31 (MRIS) |
| Conference Information | |
| Committee | MRIS / ITE-MMS |
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| Conference Date | 2018/6/7(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Recording Systems, etc. |
| Chair | Satoshi Matsunuma(Maxell) / Norihiko Ishii(NHK) |
| Vice Chair | |
| Secretary | (Toshiba) / (Kinki Univ.) |
| Assistant | Ikuya Tagawa(Tohoku Inst. of Tech.) / Shuhei Yoshida(AIST) |
| Paper Information | |
| Registration To | Technical Committee on Magnetic Recording & Information Storage / Technical Group on Multi-media Storage |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effect of SIL magnetic design on STO optimization in MAMR |
| Sub Title (in English) | |
| Keyword(1) | Microwave assisted magnetic recording |
| Keyword(2) | Spin-torque oscillator |
| Keyword(3) | Micromagnetics |
| Keyword(4) | magnetic interaction |
| 1st Author's Name | Ikuya Tagawa |
| 1st Author's Affiliation | Tohoku Institute of Technology(TohTech) |
| Date | 2018-06-07 |
| Paper # | MRIS2018-3 |
| Volume (vol) | vol.118 |
| Number (no) | MRIS-74 |
| Page | pp.pp.13-17(MRIS), |
| #Pages | 5 |
| Date of Issue | 2018-05-31 (MRIS) |