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Updated: Jul 25, 2025

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
Published on: April 8, 2018
Van der Waals Ferroelectrics: Theories, Materials, and Device Applications
Shuhui Li1,2, Feng Wang1,2, Yanrong Wang1,2
1CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China.
Two-dimensional van der Waals ferroelectric materials offer promising applications in electronics due to their unique properties. This review covers recent advances, materials, and future prospects for these novel ferroelectrics (FEs).
Area of Science:
- Condensed Matter Physics
- Materials Science
- Nanotechnology
Background:
- Emergence of 2D van der Waals (vdW) materials with spontaneous ferroelectric polarization (in-plane and out-of-plane).
- Unique properties: dangling-bond-free surfaces, interlayer charge coupling, robust polarization, tunable band structures, silicon compatibility.
- Potential applications: ferroelectric memories, neuromorphic computing, nanogenerators, photovoltaics, spintronics.
Purpose of the Study:
- To review recent advances in the field of 2D van der Waals ferroelectrics (FEs).
- To provide a comprehensive summary of non-stacking and sliding vdW ferroelectric materials.
- To discuss potential applications, particularly in artificial intelligence, and future challenges.
Main Methods:
- Brief discussion of ferroelectricity theories.
- Comprehensive summary of non-stacking vdW ferroelectric materials based on crystal structures.
- Identification and discussion of emerging sliding ferroelectrics.
Main Results:
- Cataloging of various 2D vdW materials exhibiting ferroelectricity.
- Classification of ferroelectric materials into non-stacking and sliding categories.
- Enumeration of diverse applications, highlighting artificial intelligence.
Conclusions:
- 2D vdW ferroelectrics are a rapidly advancing field with significant technological potential.
- Further research is needed to overcome challenges and realize the full prospects of these materials.
- Focus on AI applications and material development is crucial for future breakthroughs.
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