Scanning Tunneling Microscopy Observation of the Initial State of Oxidation in Ferromagnetic Tunnel Junctions
Scanning Tunneling Microscopy Observation of the Initial State of Oxidation in Ferromagnetic Tunnel Junctions
复制标题
铁磁隧道结氧化初始状态的扫描隧道显微镜观察
DOI：
10.1143/jjap.40.l1317
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发表时间：
2001
影响因子：
1.5
通讯作者：
Terunobu Miyazaki Terunobu Miyazaki
中科院分区：
文献类型：
--
作者：
Masamitsu Hayashi Masamitsu Hayashi;Yasuo Ando Yasuo Ando;Terunobu Miyazaki Terunobu Miyazaki
用扫描隧道显微镜（STM）研究了铁磁隧道结中铝薄膜的初始氧化过程。STM图像揭示了氧渗透到由小颗粒组成的铝膜中的进展。氧首先均匀地覆盖铝颗粒表面。同时，氧被插入到铝晶界中。随着氧化的进行，氧气渗透到晶粒内部。
The initial oxidation process of thin aluminum films used in ferromagnetic tunnel junctions was investigated by scanning tunneling microscopy (STM). The STM images reveal the progression of oxygen penetration into an aluminum film composed of small grains. The oxygen first covers the aluminum grain surface homogeneously. At the same time, the oxygen is inserted into the aluminum grain boundaries. As the oxidation proceeds, the oxygen penetrates inside the grain.