Fe3O4(111)/Fe(110) magnetic bilayer:: Electronic and magnetic properties at the surface and interface

被引:44
作者
Kim, HJ [1 ]
Park, JH [1 ]
Vescovo, E [1 ]
机构
[1] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA
关键词
D O I
10.1103/PhysRevB.61.15288
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The surface and interface properties of the magnetic bilayer Fe3O4(111)/Fe(110) have been studied by low-energy electron diffraction, spin-polarized photoemission spectroscopy, and magnetic linear dichroism. The electronic structure at the surface region of the oxide departs considerably from the one of the underlying bulk layer. Correspondingly, the surface spin polarization is found to be lower than expected for pure Fe3O4. The magnetic bilayer coupling is driven by the formation of a specific Fe3O4(111)/Fe(110) interface. The same interface is also formed when an Fe metal overlayer is deposited on the oxide surface.
引用
收藏
页码:15288 / 15293
页数:6
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