Oxidized ultrathin Fe films on Cu(001)
We report photoemission studies of ultrathin films of the minority-spin conductor, Fe3O4 on a Cu(001) substrate. Fe films are deposited at room temperature and oxidized at 810 K in 10-6 Torr O2. For Fe films less than 2 ML thick, LEED and STM measurements show that oxidation produces mostly an FeO(111) while thicker Fe layers give Fe3O4(111). Photoemission reveals that there is a distinct electronic structure for these two phases. There are also significant differences between the electronic structures of ultrathin oxide films and those of corresponding bulk oxides. © 2000 American Institute of Physics.
Publication Source (Journal or Book title)
Journal of Applied Physics
Koveshnikov, A., Madjoe, R., Karunamuni, J., Stockbauer, R., & Kurtz, R. (2000). Oxidized ultrathin Fe films on Cu(001). Journal of Applied Physics, 87 (9 III), 5929-5931. https://doi.org/10.1063/1.372570