Structure, properties, and thermal stability of nanocrystallite Fe-Ti-N soft magnetic films
文献类型：期刊论文
| 作者 | Li, D; Gu, YS; Chang, XR; Li, FS; Qiao, LJ; Tian, ZZ; Fang, GD; Song, QS |
| 刊名 | IEEE TRANSACTIONS ON MAGNETICS
 |
| 出版日期 | 2003-11-01 |
| 卷号 | 39期号:6页码:3554-3558 |
| 关键词 | crystal structure Fe-Ti-N film magnetic properties thermal stability |
| ISSN号 | 0018-9464 |
| DOI | 10.1109/TMAG.2003.817082 |
| 英文摘要 | We deposited Fe-Ti-N magnetic films with a high sputtering power of 7 W/cm(2). When the composition of the films was in the range of Fe-Ti(3.9 at.%)-N(8.8 at.%) to Fe-Ti(3.3 at.%)-N(13.5 at.%), the films were composed of alpha' and Ti2N precipitates. With the addition of nitrogen, 4piM. became higher than that of pure iron, reaching a maximum of 23.8 kG. At the same time, H-c was reduced to a minimum of 1.12 Oe. The best films can meet the needs of the recording head in dual-element giant magnetoresistive/inductive heads, yielding high storage density (10 Gb/in(2)). The incorporation of N in alpha-Fe brought about the a' phase with its higher saturation magnetization. Ti additions inhibited the equilibrium decomposition alpha' --> alpha + gamma'. Because H-C(D) D-6, where D is average grain diameter, grain size control is very important. The nitrogen induces severe distortion of the a' lattice, which can cause the grains to break into pieces and reduce the grain size. High sputtering power also led to the formation of fine grains, with diameter in the order of 14 nm. Probably Ti2N is preferentially precipitated on the grain boundary, pinning the grain boundary and stabilizing the grain size during high-temperature heat treatment. The temperature limit for stability of the structure and its associated low coercivity was not less than 520 degreesC. |
| WOS研究方向 | Engineering ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000187434200017 |
| 出版者 | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
| 源URL | [http://119.78.100.204/handle/2XEOYT63/13721]  |
| 专题 | 中国科学院计算技术研究所期刊论文_英文 |
| 通讯作者 | Li, D |
| 作者单位 | 1.Univ Sci & Technol Beijing, Dept Mat Phys, Beijing 100083, Peoples R China 2.Chinese Acad Sci, Comp Technol Inst, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, D,Gu, YS,Chang, XR,et al. Structure, properties, and thermal stability of nanocrystallite Fe-Ti-N soft magnetic films[J]. IEEE TRANSACTIONS ON MAGNETICS,2003,39(6):3554-3558. |
| APA | Li, D.,Gu, YS.,Chang, XR.,Li, FS.,Qiao, LJ.,...&Song, QS.(2003).Structure, properties, and thermal stability of nanocrystallite Fe-Ti-N soft magnetic films.IEEE TRANSACTIONS ON MAGNETICS,39(6),3554-3558. |
| MLA | Li, D,et al."Structure, properties, and thermal stability of nanocrystallite Fe-Ti-N soft magnetic films".IEEE TRANSACTIONS ON MAGNETICS 39.6(2003):3554-3558. |
入库方式： OAI收割
来源：计算技术研究所
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