Abstract
High-quality single crystals of Bi2WO6 are grown using a flux method. With different flux growth recipes, we aim to control the crystallization temperature to be lower and higher than the ferroelectric transition temperature, resulting in mono-domain and multi-domain Bi2WO6 crystals, respectively. Abundant ferroelastic orthorhombic twin domains are observed in the multi-domain crystals under an optical microscope. PFM studies unveil the 90° polarization change across those ferroelastic domain walls, as well as the absence of 180° ferroelectric domains in the as-grown multi-domain crystals, indicating a high energy cost of 180° ferroelectric domains. Moreover, a 45° tilt of the 90° ferroelectric domain walls is discovered, and this tilt creates a new type of charged 90° ferroelectric walls, which have not been observed in other bulk ferroelectrics.
Original language | English (US) |
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Article number | 2243002 |
Journal | Journal of Advanced Dielectrics |
Volume | 13 |
Issue number | 3 |
DOIs | |
State | Published - Jun 1 2023 |
Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2023 The Author(s).
Keywords
- Aurivillius phase
- ferroelectric
- Flux growth
- PFM
- twin domains