fig2

Figure 2. Type 2 domain structure. (A) Topography of type 2 domain structure. (B) The corresponding OOP phase signal. (C) IP phase signal measured at a tip-sample orientation of 0. The IP polarization variants are denoted on each domain. (D) The binarized version of (C). (E) IP phase signal measured at a tip-sample orientation of 90. (F) The binarized version of (E). (G) The optical image of type 2 domain. (H) The reconstructed three-dimensional polarization vectors for type 2 domain.