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The adsorption of L- and DL-alanine on the Cu(001) surface under an ultrahigh vacuum environment has been studied by means of scanning tunneling microscopy (STM). From both the as-adsorbed and the annealed surface it has been found that L-alanine can form only the c(2x4) superstructure on the Cu(001) terraces while it can induce step faceting to <310> directions as well as further bunching of...
Within this article, the stability of high index faces (or facets) linked to the reconstruction upon dense faces will be evaluated on the basis of crystallographic arguments. First of all, several concepts are specified or introduced. Secondly, based on experimental results, we will provide several rules which explain or predict the stability of high index faces in connection with the structure of...
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