Fig. 2: Layer number dependent ferroelasticity in layered perovskites.
a Scheme of crystal structures for BAI-N1, BAI-N2, and BAI-N3; b–d corresponding polarized optical microscope images for BAI-N1, BAI-N2, and BAI-N3, respectively.
Fig. 2: Layer number dependent ferroelasticity in layered perovskites. | Nature Communications
