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Figure 3
Cross section of the zb-/diamond-structure NWires growing along the [001] axis with a square cross section and four {001} inter­faces for run index i = 3 and (a) expansive morphing with index j = −3, and (b) reductive morphing with index j = 2. The latter morphing is not considered useful since a 90° rotation yields to expansive morphing at a lower run index i, thereby restricting j to negative integers (here: i = 1 and j = −2). Yellow atoms show the outer limit of the nominal cross section (i = 3 and j = 0) in part (a) and white atoms in part (b) present `ghost atoms' to fill up the nominal cross section. Inter­ior atoms are grey, atoms with two inter­face bonds are blue and atoms with three inter­face bonds are green.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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