Magnetic properties of Fe/AlO x/GaAs(001) structures
Ημερομηνία
2005Συγγραφέας
Vaz, C. A. F.Ionescu, A.
Trypiniotis, Theodossis
Bland, J. A. C.
Dalgliesh, R. M.
Langridge, S.
Source
Journal of Applied PhysicsVolume
97Issue
10Google Scholar check
Keyword(s):
Metadata
Εμφάνιση πλήρους εγγραφήςΕπιτομή
We report results on the effect of the Al Ox barrier layer on the magnetic moment of Fe using polarized neutron reflection. The sample has nominal composition 25 nm Au5 nm Fe1.3 nm Al Ox GaAs (001). The metal deposition was done in ultrahigh vacuum and the Al oxidation was performed in two steps. From the fit to the neutron data we obtain for the magnetic moment of Fe the value (2.164±0.026) µB, very close to the bulk value (2.185 µB at room temperature). We conclude that there is no dead layer at the Al Ox interface. © 2005 American Institute of Physics.