Abstract

Growth as well as crystallographic and electronic properties of thin AlO x layers on Fe(110) were studied by means of low-energy electron diffraction and Auger-electron spectroscopy. Al layers of different thickness were deposited on Fe(110) and successfully oxidized to AlO x . The step-by-step oxidation of thin Al layers at room temperature leads to the formation of amorphous AlO x on top of the Fe(110) surface. A subsequent annealing at 250 ° C of the oxidized 7-Å thick Al layer results in the formation of a well-ordered Al 2O 3(0001) layer on the Fe(110) surface.

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