This paper presents micromagnetic simulations of the reversal mechanism in a magnetic tunnel junction with MgO tunnel barrier. The PF reversal occurs via a nucleation process in three steps similar to the one simulated in spin valves. The effect of a pinhole located in the centre of the tunnel burrier has been studied; in this case the reversal mechanism is different.
|Autori interni:||CARPENTIERI, Mario|
|Titolo:||Numerical study of the magnetization reversal driven by spin-polarized current in MgO-based magnetic tunnel junctions|
|Rivista:||PHYSICA. B, CONDENSED MATTER|
|Data di pubblicazione:||2008|
|Digital Object Identifier (DOI):||10.1016/j.physb.2007.08.050|
|Appare nelle tipologie:||1.1 Articolo in rivista|