Structural and thermal stabilities of Au@Ag core-shell nanoparticles and their arrays: A molecular dynamics simulation

Jia Hai-Hong^{1, 2}, Bao De-Liang^{1, 2}, Zhang Yu-Yang^{1, 2}, Du Shi-Xuan^{1, 2, †}

Snapshots of cross section of NPs at different temperatures during heating process. (a) Au x @Ag 7−x (x=0,2,7 are shown in top, middle and bottom panel, respectively), (b) Au 2 @Ag K−2 (K=4−6 are shown in top, middle and bottom panel, respectively).