fig3
![Near-room-temperature reversible switching of quadratic optical nonlinearities in a one-dimensional perovskite-like hybrid](https://image.oaes.cc/d98cc803-660f-4424-93f5-f8df45bc70c0/4919.fig.3.jpg)
Figure 3. Transformation of spatial symmetry operations of (MP)PbBr3 between the HTP (P63/mmc) and LTP (P212121). HTP: High-temperature phase; LTP: low-temperature phase.
Figure 3. Transformation of spatial symmetry operations of (MP)PbBr3 between the HTP (P63/mmc) and LTP (P212121). HTP: High-temperature phase; LTP: low-temperature phase.
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