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The aim is to explore how dimensionality affects ferroelectricity in halide perovskites, highlighting recent progress.

April 24, 2026Small StructuresOpen Access

Dimensionality Engineering: A Pathway to Ferroelectric Halide Perovskites

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This review showcases advancements in ferroelectric halide perovskites, emphasizing dimensionality and its implications for device applications.

The aim is to explore how dimensionality affects ferroelectricity in halide perovskites, highlighting recent progress.
Review key studies on three-dimensional and low-dimensional halide perovskites.
Discuss design strategies including spacer cation and B-site cation engineering.
Examine emerging applications of ferroelectric halide perovskites in various devices.
Reduced dimensionality stabilizes intrinsic ferroelectricity in halide perovskites.
Emerging applications demonstrate enhanced functionalities in photodetectors and solar cells.
Challenges in ferroelectric switching dynamics and lead-free materials are identified.

Gim et al. (2026) studied this question.

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This review showcases advancements in ferroelectric halide perovskites, emphasizing dimensionality and its implications for device applications.