Structural investigations on Xe / Pd ( 111 ) with spin - polarized LEED
نویسنده
چکیده
(6 x ~}R30°-Xe/Pd(lil) and the dilute phase of Xe/Pd(li I) were investigated with spin-polarized low-energy electron diffraction (SPLEED). In the experiment spin-polarized electrons from a GaAs source were scattered and the spin-dependent intensities were measured. Comparative calculations were carried out by means of a relativistic LEED program. The structure determination of (6 x fi)R30”-Xe/Pd(lll) yields a layer distance of 3.5 + 0.1 A, the Xe atoms being adsorbed in hollow sites. In the dilute phase of Xe/Pd(lll) the adsorbed Xe atoms occupy on-top sites with a Xe-Pd distance of 4.0) 0.1 A without two-dimensional periodicity.
منابع مشابه
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