教師資料查詢 | 類別: 期刊論文 | 教師: 張經霖 CHANG, HENRY CHING-LIN (瀏覽個人網頁)

標題:Growth and structural studies of Fe3O4/MgO superlattices
學年88
學期2
出版(發表)日期2000/07/02
作品名稱Growth and structural studies of Fe3O4/MgO superlattices
作品名稱(其他語言)
著者張經霖; Chang, C. L.; Chern, G.; Chean, Y. R.; Chen, C. L.
單位淡江大學物理學系
出版者Elsevier
著錄名稱、卷期、頁數Applied surface science 161(3-4), pp.448-451
摘要A series of Fe3O4/MgO superlattices, with MgO fixed at ∼20 Å and Fe3O4 varied from 10 to 80 Å, are fabricated on MgO(001) and related substrates with an oxygen plasma assisted molecular beam epitaxy (MBE). The samples were analysed by in situ reflection high-energy electron diffraction (RHEED), ex situ X-ray diffraction (XRD), and X-ray absorption spectroscopy (XAS). It is observed that these oxide films have single crystalline quality along the same orientation as the substrates, even for Fe3O4 as thin as about one unit cell. Sharp interfaces between layers were obtained by appropriate arrangement of cations during the growth. The interfacial strain originated from the lattice misfit between the parent materials and substrate is accommodated by a tetragonal distortion of Fe3O4. This effect results in an extremely stable growth mode of these superlattices.
關鍵字Oxide superlattice;Ferrimagnetic compounds;RHEED;X-ray diffraction;X-ray absorption spectroscopy
語言英文
ISSN0169-4332
期刊性質國內
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產學合作
通訊作者
審稿制度
國別中華民國
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