期刊
APPLIED PHYSICS LETTERS
卷 79, 期 11, 页码 1655-1657出版社
AMER INST PHYSICS
DOI: 10.1063/1.1404125
关键词
-
We present tunneling experiments on Fe(001)/MgO(20 Angstrom)/FeCo(001) single-crystal epitaxial junctions of high quality grown by sputtering and laser ablation. Tunnel magnetoresistance measurements give 60% at 30 K, to be compared with 13% obtained recently on (001)-oriented Fe/amorphous-Al2O3/FeCo tunnel junctions. This difference demonstrates that the spin polarization of tunneling electrons is not directly related to the density of states of the free metal surface-Fe(001) in this case-but depends on the actual electronic structure of the entire electrode/barrier system. (C) 2001 American Institute of Physics.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据