本實驗利用MBE 系統，在Al2O3 (11-20) 基板成長超薄Fe 奈米顆粒膜於Pt緩衝層上，藉由STM 、RHEED與MOKE 分析樣品表面特性與磁異向性。Pt 緩衝層成長溫度800 ℃、厚度150 Å，可得極平坦之(111) 表面，接著，室溫成長5.4 ML超薄Fe 膜於其上，能使此系統具有垂直磁異向性，至400 ℃ 退火處理後，磁化方向已完全平躺於膜面，而利用半球模型修正之磁異向能密度可適當解釋磁異向性變化與表面形貌的關聯。

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