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Strain map comparison on the same Pt-Co nanoparticle before and after PCA
(A) A twinned PtCo nanoparticle (nanoparticle number 1 in Figure 9, but rotated) imaged before and after PCA with IL-(S)TEM ADF showing etching and reshaping effects.
(B) Corresponding strain maps calculated for εxx and εyy, respectively.
