S.S.P. Parkin, V.Y. Lee, et al.
Physical Review B
The crystalline structures of a sputtered Co-doped iron oxide thin film have been successfully identified and correlated with magnetic properties. X-ray diffraction analysis showed that the bulk of the sputtered film has been properly converted to ferromagnetic γ-Fe2O3. However, the surface of the film was found to be solely hexagonal α-Fe2O3. The formation of an antiferromagnetic α-Fe2O3 surface on a ferromagnetic α-Fe 2O3 film caused the magnetically dead layer previously observed by polarized neutron reflection and Kerr rotation measurements.
S.S.P. Parkin, V.Y. Lee, et al.
Physical Review B
S.S.P. Parkin, V.Y. Lee, et al.
Physical Review Letters
D. Weller, A. Carl, et al.
Journal of Physics and Chemistry of Solids
J.P. Nozières, V.S. Speriosu, et al.
Journal of Magnetism and Magnetic Materials