Sharma, H. R.; Theis, W.; Gille, Peter; Rieder, K.-H.
Faceting of the two-fold decagonal Al71.8Ni14.8Co13.4(0 0 1 1̄ 0) surface studied by He diffraction.
In: Surface Science, Vol. 511, Nr. 1-3: S. 387-391
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The two-fold decagonal-Al71.8Ni14.8Co13.4(0 0 1 1̄ 0) surface is investigated by highly surface sensitive He atom scattering. The diffraction pattern shows that the topmost surface layer preserves a perfect quasi-crystalline ordering expected from the bulk. The surface is found to develop facets with (1 0 0 0 0)-equivalent orientation, inclined by 18° to the original surface. The facets are of sufficient size to observe diffraction from them. The facet planes are identical to those identified in an as grown sample.