Title

Oxidized ultrathin Fe films on Cu(001)

Document Type

Article

Publication Date

5-1-2000

Abstract

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

First Page

5929

Last Page

5931

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