Intermixing in the Na on Al(111) system

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Abstract

Ordered structures formed by Na adsorption on the Al(111) surface are investigated by high-resolution core-level spectroscopy. It is shown that, contrary to the common picture of alkali adsorption, two of the structures formed at room temperature consist of intermixed Na-Al layers. The results for the (3 ×)-rotated-30°structure are also consistent with intermixing although they do not provide any definite proof. For Na layers deposited at 100 K no intermixing is found.

Details

Authors
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Original languageEnglish
Pages (from-to)94-97
Number of pages4
JournalPhysical Review Letters
Volume68
Issue number1
Publication statusPublished - 1992
Publication categoryResearch
Peer-reviewedYes