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Tuning of Polar Domain Boundaries in Nonpolar Perovskite
Zheyi An1, Hiroko Yokota2,3, Kyomaru Kurihara2
1Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, China.
Advanced Materials (Deerfield Beach, Fla.)
|December 22, 2022
Summary
Researchers discovered tunable polar domain boundaries in antiferroelectric crystals. These boundaries
Area of Science:
- Condensed Matter Physics
- Materials Science
- Crystallography
Background:
- Domain boundaries in ferroic materials exhibit unique physical properties.
- Centrosymmetric nonpolar materials interacting with polar domain boundaries can lead to enhanced functionalities.
Purpose of the Study:
- To discover and characterize a tunable polar domain boundary in an antiferroelectric single crystal.
- To investigate the control over domain boundary characteristics.
Main Methods:
- Investigation of an antiferroelectric single crystal.
- Application of small stress and electric fields to manipulate domain boundaries.
Main Results:
- A novel tunable polar domain boundary was successfully identified in the antiferroelectric crystal.
- The density, volume, and polarity of these domain boundaries were effectively controlled by external stimuli.
Conclusions:
- Tunable polar domain boundaries can be engineered in antiferroelectric materials.
- External fields offer a method for precise control over domain boundary properties, opening avenues for novel device applications.
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