2 papers
cond-mat.mtrl-sci2026
Decoding the Complexity of Ferroelectric Orthorhombic HfO2: A Unified Mode Expansion Approach
Chenxi Yu, Jiajia Zhang, Xujin Song +2
The ferroelectricity in thin films is widely attributed to the formation of a polar orthorhombic phase named OIII phase. However, the complexity of OIII phase orig…
cond-mat.mtrl-sci2026
Domain Walls Stabilized by Intrinsic Phonon Modes and Engineered Defects Enable Robust Ferroelectricity in HfO2
Chenxi Yu, Jiajia Zhang, Xujin Song +6
Ferroelectric has attracted extensive research interest for its applications in AI era. The domain walls play a crucial role in phase structure stabilization and p…