Tunnel magnetoresistance of Fe3O4/MgO/Fe nanostructures

Details Tunnel magnetoresistance of Fe3O4/MgO/Fe nanostructures Tunnel magnetoresistance of Fe3O4/MgO/Fe nanostructures

2010-12-18

arxiv.org/abs/1012.4089v1

Physics

Condensed Matter

Materials Science

7 pages, 3 figures

Scientific paper

A magnetic tunnel junction Fe3O4/MgO/Fe with (001) layer orientation is considered. The junction magnetic energy is analyzed as a function of the angle between the layer magnetization vectors under various magnetic fields. The tunnel magnetoresistance is calculated as a function of the external magnetic field. In contrast with junctions with unidirectional anisotropy, a substantially lower magnetic field is required for the junction switching.

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