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Related Concept Videos

Ferromagnetism01:31

Ferromagnetism

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Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...
2.4K

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Updated: Aug 17, 2025

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
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Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Published on: October 1, 2019

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Emerging Halide Perovskite Ferroelectrics.

Weilin Zheng1,2, Xiucai Wang3, Xin Zhang1,2

  • 1Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China.

Advanced Materials (Deerfield Beach, Fla.)
|December 14, 2022
PubMed
Summary
This summary is machine-generated.

Halide perovskites exhibit ferroelectricity, offering advantages like flexibility for optoelectronic devices. This review covers emerging materials, applications in photovoltaics and X-ray detection, and future development challenges.

Keywords:
ferroelectricityhalide perovskitephotodetectionphotovoltaicsstructural dimensionality

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Area of Science:

  • Materials Science
  • Solid-State Physics
  • Optoelectronics

Background:

  • Halide perovskites are highly regarded for their optoelectronic properties.
  • Ferroelectricity has recently been discovered in halide perovskites, sparking significant research interest.
  • These materials offer advantages over traditional ferroelectrics, including structural softness and ease of processing.

Purpose of the Study:

  • To review the current research progress in halide perovskite ferroelectrics.
  • To highlight emerging halide perovskite ferroelectric materials.
  • To discuss potential applications and future challenges in the field.

Main Methods:

  • Literature review of recent studies on halide perovskite ferroelectrics.
  • Analysis of material properties and synthesis techniques.
  • Exploration of application-specific performance data.

Main Results:

  • Identification of novel halide perovskite systems exhibiting ferroelectricity.
  • Demonstration of potential in ferroelectric photovoltaics, self-powered photodetection, and X-ray detection.
  • Overview of key challenges such as stability and scalability.

Conclusions:

  • Halide perovskites represent a promising class of materials for next-generation ferroelectric applications.
  • Further research is needed to overcome challenges and fully realize their potential in miniaturized and flexible devices.
  • The unique properties of halide perovskites pave the way for advancements in energy harvesting and sensitive detection technologies.