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| 研究生： |
邱傑振 Ciou Jie-Jhen |
|---|---|
| 論文名稱： |
鐡錳鐡薄膜成長於銅三金之晶體結構與磁性 Crystalline Structure and Magnetic Properties of Fe/Mn/Fe/Cu3Au(001) |
| 指導教授： |
林文欽
Lin, Wen-Chin |
| 學位類別： |
碩士 Master |
| 系所名稱： |
物理學系 Department of Physics |
| 論文出版年： | 2009 |
| 畢業學年度： | 97 |
| 語文別： | 英文 |
| 論文頁數： | 58 |
| 中文關鍵詞： | 薄膜 、多層膜 、磁性 |
| 英文關鍵詞： | thin film, multilayer, magnetism |
| 論文種類： | 學術論文 |
| 相關次數： | 點閱：133 下載：1 |
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我們使用中能量電子繞射儀,低能量電子繞射儀,磁光科爾效應來決定Fe/Mn/fcc-like Fe/Cu3Au(001)之成長模式,晶體結構及磁性。與Fe/Mn/Cu3Au(001)來比較,在磁性上有一些有趣的發現。即使多了fcc鐡的緩衝層,在低厚度時錳的晶體結構仍然是fcc.造成在垂直於晶體表面方向矯頑磁力的增強以及磁易軸翻轉的臨界厚度偏移可歸因於fcc鐡的緩衝層具有垂直於晶體表面方向的磁異向性.
The growth, crystalline structure and magnetism of Fe/Mn/fcc-like Fe/Cu3Au(001)
are characterized by medium energy electron diffraction (MEED), low energy electron diffraction (LEED) and magneto-optical Kerr effect (MOKE). Compared with
Fe/Mn/Cu3Au(001), there are some interesting findings in magnetism of Fe/Mn/fcc-like Fe/Cu3Au(001). With the fcc-like Fe buffer layer, the crystalline structure of
Mn/fcc-like Fe/Cu3Au(001) is still face-centered cubic(fcc) structure at low coverage. The key factor responsible for the extraordinarily enhanced coercivity in perpendicular direction of the Fe overlayer and shifted critical thickness of spin-reorientation transition (SRT) is attibuted to the perpendicular magnetization of fcc-like Fe buffer layer.
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