d, Lattice image of a larger nanocrystal of SrTe in the PbTe matrix. e, IFFT image shows four dislocation cores at the boundary. f,g,The strain distribution of the nanoscale inclusions along 100 (f) and 011 (g) directions, respectively, which show the plastic strain around four dislocation cores. The color bar indicates 25 to – 10 % strain.

Image Credit: Northwestern University

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