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Insights into Strain Engineering: From Ferroelectrics to Related Functional Materials and Beyond
Tianyu Li1,2, Shiqing Deng2, Hui Liu2
1Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China.
Chemical Reviews
|May 16, 2024
Summary
Strain engineering optimizes ferroelectric materials for advanced applications. This review highlights breakthroughs in manipulating ferroelectric properties for improved sensors, memory devices, and novel functionalities like multiferroicity.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Nanotechnology
Background:
- Ferroelectric materials are crucial for information processing, energy harvesting, and electromechanical conversion due to switchable polarization.
- Their performance is highly sensitive to crystal lattice structure, making them responsive to external stimuli.
- Strain engineering offers a powerful method to tune ferroelectric properties and explore new material functionalities.
Purpose of the Study:
- To systematically review advancements in ferroelectric-based functional materials achieved through strain engineering.
- To summarize progress in strain engineering methods for optimizing ferroelectric properties.
- To explore the potential of strain engineering in related functional materials beyond traditional ferroelectrics.
Main Methods:
- Review of existing literature on strain engineering in ferroelectrics.
- Analysis of fundamental properties and applications influenced by strain.
- Exploration of novel functionalities induced by strain, including ferromagnetism, multiferroicity, and photoelectricity.
Main Results:
- Strain engineering enables significant breakthroughs in ferroelectric-based functional materials.
- Applications span electromechanical devices (sensors, actuators), tunable dielectrics, transistors, and nonvolatile memories.
- Strain engineering also unlocks unprecedented properties in related areas like ferromagnetism and photoelectricity.
Conclusions:
- Strain engineering is a versatile and effective approach for optimizing ferroelectric materials and discovering new functionalities.
- Continued research in strain regulation methods is essential for performance enhancement in functional materials.
- This review aims to inspire future developments in strain engineering, extending its impact beyond ferroelectrics.
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