Ferroelasticity in Halide Perovskites Affects Electro‐Optical Properties through Facet Stability
Noam Veber,
Betty Shamaev,
Saar Shaek
et al.
Abstract:Advancements in ferroic materials center upon understanding domain structures and their boundaries. This study innovates by directing the growth of lead halide perovskite microcrystals from the gas phase onto pre‐chosen substrates, thereby inducing an interfacial strain that prompts ferroelasticity‐driven structural transformation. A method of ferroelastic engineering in vapor‐grown perovskite heterostructures is thus unveiled, revealing ordered domain patterns of bright crystals with contrasting electro‐optic… Show more
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