Crucial role of interdiffusion on magnetic properties of in situ formed MgO Fe3-δO4 heterostructured nanowires

Aurelian Marcu, Takeshi Yanagida, Kazuki Nagashima, Keisuke Oka, Hidekazu Tanaka, Tomoji Kawai

研究成果: ジャーナルへの寄稿学術誌査読

43 被引用数 (Scopus)

抄録

Although a heterointerface in oxides plays a crucial role on the properties, such heterointerface effects on oxide nanowires have not been well understood. Here, we demonstrate the crucial role of atomic interdiffusion on the magnetic properties of in situ formed MgO Fe3-δ O4 heterostructured nanowires. The wide variation of nanowire heterointerfaces was found when varying the growth atmosphere. The occurrence of the interdiffusion and the large interface area of nanowires strongly affect the magnetism via forming mixed spinel structures at the heterointerface. Thus, it is crucial to precisely control the atomic interdiffusion at the heterointerface for the desired properties of heterostructured oxide nanowires.

本文言語英語
論文番号173119
ジャーナルApplied Physics Letters
92
17
DOI
出版ステータス出版済み - 2008
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(その他)

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