Abstract

Iron atoms were deposited on a clean MgO (001) surface kept at room temperature in UHV. The height of the Mg(L1M1M1, 26 eV) peak decreased rapidly and became very small when the average thickness was about 7 angstroms. Therefore, only several layers of iron atoms must have been distributed on the face without any naked area. The height of the Fe (L3M2,3M4,5, 648 eV) peak increased smoothly with deposition, but the Fe (M2,3M4,5M4,5, 42 eV) peak was not detected in the early stage. In the following stages no anomalous phenomena were observed, and a clean epitaxial film was formed. The behaviours of impurity atoms and adsorbed atoms are described also.

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