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A Novel Sb2Te3 Polymorph Stable at the Nanoscale...

by Andrew R Lupini
Publication Type
Journal
Journal Name
Chemistry of Materials
Publication Date
Page Numbers
4368 to 4373
Volume
27
Issue
12

We report on the MOCVD synthesis of Sb2Te3 nanowires that self-assemble in a novel metastable polymorph. The nanowires crystallize in a primitive trigonal lattice (P (3) over bar m1 SG #164) with lattice parameters a = b = 0.422 nm, and c = 1.06 nm. The stability of the polymorph has been studied by first principle calculations: it has been demonstrated that the stabilization is due to the particular side-wall faceting, finding excellent agreement with the experimental observations.