Fig. 2

Atomic structure of triple phase boundary-2. a Low-magnification transmission electron microscopy (TEM) image. b High-resolution TEM image at Ni[11\(\bar 2\)] zone axis. Scale bars in a, b: 100 and 1 nm, respectively

Atomic structure of triple phase boundary-2. a Low-magnification transmission electron microscopy (TEM) image. b High-resolution TEM image at Ni[11\(\bar 2\)] zone axis. Scale bars in a, b: 100 and 1 nm, respectively