本論文主要是利用MBE 系統，在 Al2O3(11-20) 基板成長超薄Co 膜於 Pt
緩衝層上，藉由STM 和RHEED 研究其表面形貌和磊晶結構，且利用MOKE 的
變化來研究其磁異向性之特性。Pt 緩衝層的成長溫度為800℃，厚度為10 nm，
可得的平坦的 Pt(111) 面，接著在室溫再長上不同厚度的Co 膜，其表面結構與
磁性皆會隨著Co 膜厚度不同而改變。本論文主要研究的方向是比較Co 膜在 Pt/
Al2O3(11-20) 上和Co 膜在 Pt(111) 基板上的表面結構和磁異向性的異同。

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第一章 簡介
第一節 前言...............................................................................................................1
第二節 磁光碟簡介..................................................................................................2
第三節 磁異向性簡介..............................................................................................4
第四節 垂直磁異向性..............................................................................................9
第五節 理論簡介......................................................................................................11
參考文獻......................................................................................................19
第二章 實驗儀器與實驗步驟
第一節 分子束磊晶系統.........................................................................................20
第二節 實驗量測儀器.............................................................................................24
第三節 實驗步驟......................................................................................................34
參考文獻......................................................................................................36
第三章 實驗結果與討論
第一節 Pt 成長在Al2O3(11-20)基板上的結構.....................................................37
第二節 超薄Co 膜在Pt(111)上所形成的結構.....................................................42
第三節 非室溫成長(>RT)的Co 在Pt(111)上的變化............................................52
第四節 Co 膜在Pt 上所造成的磁性......................................................................55
參考文獻.......................................................................................................59
第四章 結論……………………………………………….………….60

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