fig4
![Roadmap for ferroelectric domain wall memory](https://image.oaes.cc/ffae7c6d-f916-4ea6-9ef0-fcb5ed83b07e/microstructures4052.fig.4.jpg)
Figure 4. (A) The 1T1R structure of the out-of-plane DWRAM. (B) The crossbar architecture of the out-of-plane DWRAM. (C) The 1T1R structure of the in-plane DWRAM. (D) The crossbar architecture of the in-plane DWRAM. (E) Bird’s-eye view of the LN DWRAM array. (F) Top-down view of the LN DWRAM array.