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Emerging halide perovskite ferroelectric semiconductors: Structural diversity, chemical design and optoelectronic applications
Yating You, Xiaoqi Li, Qianxi Wang, Xitao Liu*, Zhihua Sun*, Junhua Luo*
https://doi.org/10.1016/j.cjsc.2026.100921
Ferroelectricity; Halide perovskite; Semiconductors; Spontaneous polarization; Photodetection; Ionizing radiation detection
ABSTRACT
Ferroelectrics, characterized by an electrically switchable spontaneous polarization, have attracted great attention in the past century for their diverse physical properties and widespread application prospects. Particularly, halide perovskite ferroelectric semiconductors have emerged for their distinctive synergistic interaction between ferroelectric polarization and photo-excited properties, providing a versatile platform for boosting photoelectronic functionality. This review provides a comprehensive summary of the recent advancements of emerging halide perovskite ferroelectric semiconductors, focusing on their structural diversity, design strategies and optoelectronic applications. The future development directions and application prospects of this ferroelectric semiconductor material system are also predicted This review systematically summarizes the recent research advances in the field of halide perovskite ferroelectrics, explicitly identifies the key existing challenges in this area, and proposes the core research directions and development prospects for the future.
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