Influence of strain distribution on the morphology evolution of a Ge/GeO2 core/shell nanoparticle confined in ultrathin Al2O3 thin film by surface oxidation<xref ref-type="fn" rid="cpb141570fn1">*</xref>

Influence of strain distribution on the morphology evolution of a Ge/GeO₂ core/shell nanoparticle confined in ultrathin Al₂O₃ thin film by surface oxidation*

Zhang Ying^a), Huang Hong-Hua^a), Liu Xiao-Shan^a), Luo Xing-Fang^a), Yuan Cai-Lei^a)†, Ye Shuang-Li^b)

Simulated evolution of the cross-sectional morphologies of a confined Ge/GeO₂ core/shell nanoparticle with polycrystalline GeO₂ shell at different oxidation stages: (a) the original stage, (b) the middle stage, (c) the later stage.