Atomic Scale Study of Interfaces Involved in Epitaxial Fe/MgO/Fe Magnetic Tunnel Junctions

S. Andrieu,R. Serra,F. Bonell,C. Tiusan,Lionel Calmels,E. Snoeck,María Varela del Arco,Stephen J. Pennycook,Michael Walls,C. Colliex

Atomic Scale Study of Interfaces Involved in Epitaxial Fe/MgO/Fe Magnetic Tunnel Junctions

2009

S. Andrieu
R. Serra
F. Bonell
C. Tiusan
Lionel Calmels
E. Snoeck
María Varela del Arco
Stephen J. Pennycook
Michael Walls
C. Colliex

Epitaxial Fe/MgO/Fe(001) magnetic tunnel junctions grown by Molecular Beam Epitaxy have been studied by using spatially resolved Electron Energy Loss Spectroscopy (EELS). The structure, the chemical composition as well as the bonding variations across the interfaces were investigated up to the atomic scale.

Keywords:

Physics
Electron energy loss spectroscopy
Tunnel magnetoresistance
Nuclear magnetic resonance
Molecular beam epitaxy
Atomic units
Epitaxy
Electron
spatially resolved
Chemical composition
Condensed matter physics

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