Research Papers in Physics and Astronomy


Date of this Version

May 1986


Published in the Journal of Vacuum Science and Technology A 4 (3), May/Jun 1986. Copyright 1986 American Vacuum Society. Used by permission. For free online abstracts, see


The interaction of iodine vapor on an Fe(110) single crystal surface at room temperature has been investigated primarily through the use of LEED and UPS. Both a series of chemisorbed overlayers and an epitaxial iodide layer are observed. Iodide formation proceeds through an island growth mechanism with the iodide basal plane parallel to the Fe(110) surface. Evidence is presented that the defects introduced on the surface during argon ion sputtering may be important as nucleation sites for iodide growth. The results are compared with the results of previous studies.

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