Atomically diffuse interface
Unlike typical atomically sharp core–shell interfaces, this nanoparticle features an atomically diffuse interface with an average thickness of 4.2 Å, where the high Pd concentration is attributed to dissolved free Pd atoms.
Li, Zezhou · Zhiheng, Xie · Zhang, Yao · Xie, Jiaheng · Yin, Jing · Zhang, Yawen · Ophus, Colin · Zhou, Jihan
Nature Communications 2023
independent of particle morphology or crystallographic texture
probed at the single-atom level using atomic resolution electron tomography