The rutile-type SnO2 nanocondensates as condensed by Nd-YAG laser ablation on Sn target under O background gas were characterized by analytical electron microscopy to have {110}, {100} and {101} facets, which were beneficial for vicinal attachment to form edge dislocations, faults and twinned bicrystals. The {011}-interface relaxation, by shearing along <011> directions, accounts for a rather high density of edge dislocations near the twin boundary thus formed. The rutile-type SnO2 could be alternatively transformed from orthorhombic CaCl2-type structure (denoted as o) following parallel crystallographic relationship, (0¯11)r||(0¯11)o; [111]r||[111]o, and full of commensurate superstructures and twins parallel to (011) of both phases.

Defect Generation of Rutile-Type SnO2 Nanocondensates - Imperfect Oriented Attachment and Phase Transformation. W.J.Tseng, P.Shen, S.Y.Chen: Journal of Solid State Chemistry, 2006, 179[4], 1237-46