@article {27036,
	title = {Key role of polar nanoregions in the cubic-to-tetragonal phase transition of potassium-based perovskites},
	journal = {Phys. Rev B},
	volume = {106},
	number = {064107},
	year = {2022},
	author = {Parravicini, J. and DelRe, E. and S. Perego and M. Acciarri and S. Binetti and Garcia, Y. and G. Parapelitsa and Agranat, A.J. and G. Parravicini}
}
