fig2
![Elastic properties and Ion-mediated domain switching of self-assembled heterostructures CuInP<sub>2</sub>S<sub>6</sub>-In<sub>4/3</sub>P<sub>2</sub>S<sub>6</sub>](https://image.oaes.cc/6173235b-5435-43f7-870a-73e4f559c6a1/5374.fig.2.jpg)
Figure 2. Elastic property characterizations. (A) Nanoindentation Load–displacement curves measured on the (001) plane of CIPS-IPS crystal. The blue arrows indicate pop-ins due to fracture damage. (B) The contact resonant frequency image measured by CR-AFM.