We report the growth of Co/Pt(111) superlattices sputtered onto MgO(111) su
bstrates of different surface quality. Long-range structural coherence in t
he Pt-seed lavers and the superlattices could only be obtained on specially
re-polished substrates. In seed layers and superlattices grown on miscut r
e-polished substrates suppression of abe versus acb stacking was observed.
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