| 講演名 | 2001/10/31 Magnetic Properties of Pattern Nanowire Arrays and Its Application In Perpendicular Recording , |
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| 抄録(英) | Highly pattern anodic aluminum oxide(AAO)was prepared by two steps anodic process. Uniform arrays of Co, Fe, Ni, CoNi and CoPt alloy nanowires were fabricated by electrochemical deposition. The micrographies and crystalloid structures of nanowires were studied by TEM, SEM, AFM and XRD. The magnetic properties were investigated by Mossbauer Spectrum(MS), Vibrating Sample Magnetometer and MFM. It was found that in the case of single metal nanowire arrays, the squareness(Mr/Ms)and coercivity of the hysteresis was very high when the external field was applied perpendicular the sample, which showed strong perpendicular anisotropy. XRD and Mossbauer show that preferred orientation existed in the case of Fe or Co nanowires. The magnetic properties were very complicate in alloy nanowire arrays. MFM results show that patterned single-domain structure existed in magnetic nanowire arrays with small diameter. The recording density could be as high as 100Gbit/cm^2 if each single-domain element represents a bit of binary information, which was very attractive in highly density recording. |
| キーワード(和) | |
| キーワード(英) | nanowire / anodic aluminum membranes / perpendicular recording |
| 資料番号 | MR2001-42 |
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| 研究会情報 | |
| 研究会 | MR |
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| 開催期間 | 2001/10/31(から1日開催) |
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| 講演論文情報詳細 | |
| 申込み研究会 | Magnetic Recording (MR) |
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| 本文の言語 | ENG |
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| サブタイトル（和） | |
| タイトル（英） | Magnetic Properties of Pattern Nanowire Arrays and Its Application In Perpendicular Recording |
| サブタイトル（和） | |
| キーワード(1)（和/英） | / nanowire |
| 第 1 著者 氏名（和/英） | / Dong-Huan Qin |
| 第 1 著者 所属（和/英） | Department of Chemistry, Lanzhou university |
| 発表年月日 | 2001/10/31 |
| 資料番号 | MR2001-42 |
| 巻番号（vol） | vol.101 |
| 号番号（no） | 399 |
| ページ範囲 | pp.- |
| ページ数 | 6 |
| 発行日 | |