Smerdon, Joseph; Parle, Joseph; McGrath, Ronan; Bauer, Birgitta; Gille, Peter
Surface study of the (100) and (010) faces of the quasicrystal approximant Al-4(Cr,Fe).
In: Zeitschrift fur Kristallographie, Vol. 224, No. 1-2: pp. 13-15
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Low-energy electron diffraction (LEED) and scanning tunneling microscopy(STM) results are used to study the pseudo-6-fold nature of the (100)surface of the orthorhombic quasicrystal approximant Al-4(Cr, Fe). LEEDpatterns are also presented from the pseudo-10-fold (010) surface ofthis material. In each case the results are compared with the known bulkstructure of this complex metallic alloy.