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lEED investigations of a cubic Al-Pd-Mn (110) alloy

机译:立方Al-Pd-Mn(110)合金的lEED研究

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摘要

An Al-Pd-Mn cubic alloy having a bulk chemcial composition somewhat analogous to that of the icosahedral Al-Pd-Mn quasicrystal is studied.Our goal is to ocmpare the surfac estructure and properties of the cubic alloy with those of the quasicrystalline alloy.In this paper,we report the first observations for the (110) surface of the cubic alloy using (primarily) low energy electron diffraction (LEED).The surface is surface is prepared by sputterifng and annealing in ultrahigh vacuum (UHV).In addition to the substrate LEED pattern,at least three superstructures evolve sequentially with annealing temeprature.
机译:研究了Al-Pd-Mn立方合金,其化学成分与二十面体Al-Pd-Mn准晶体相似。我们的目标是将立方合金的表面结构和性能与准晶体合金相结合。在本文中,我们报告了使用(主要)低能电子衍射(LEED)对立方合金(110)表面进行的首次观察。表面是通过溅射和超高真空(UHV)退火制备的表面。对于衬底LEED图案,随着退火温度的升高,至少三个上层结构依次发展。

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