6 papers · 1 filter
Unlocking Cryogenic Energy Storage by Constructing Dipole Glass with Unit-cell-level Polar Disorder
Yangyang Si, Denan Li, Yijie Li +21
Cryogenic energy storage is vital for frontier technologies including deep-space exploration and quantum computing, yet conventional electrochemical energy systems fail below ~230…
Nitrogen doping induced metal-insulator transition with iso-symmetric character in rutile VO2
Baichen Lin, Shanquan Chen, Yubo Zhang +18
Metal-insulator transitions (MITs) in correlated oxides offer immense potential for next-generation Mottronic devices. However, their integration into practical applications is oft…
Decoupling effects of the resistive-switching behavior on the polarization reversal in ultrathin ferroelectric Hf0.5Zr0.5O2 films
Chao Zhou, Sizhe Huang, Yangyang Si +10
HfO2-based ferroelectric films have attracted considerable attention as their nanoscale ferroelectricity and compatibility with cmos technology, fulfilling demands of emerging memo…
Enhancing ferroelectric stability: Wide-range of adaptive control in epitaxial HfO2/ZrO2 superlattices
Jingxuan Li, Shiqing Deng, Liyang Ma +12
The metastability of the polar phase in HfO2, despite its excellent compatibility with the complementary metal-oxide-semiconductor process, remains a key obstacle for its industria…
Ideal antiferroelectricity with large digital electrostrain in PbZrO3 epitaxial thin films
Yangyang Si, Ningbo Fan, Yongqi Dong +13
Antiferroelectrics exhibit reversible antipolar-polar phase transitions under electric fields, yielding large electrostrain suitable for electromechanical devices. Nevertheless, in…
Fatigue-free ferroelectricity in Hf0.5Zr0.5O2 ultrathin films via interfacial design
Chao Zhou, Yanpeng Feng, Liyang Ma +10
Due to traits of CMOS compatibility and scalability, HfO2-based ferroelectrics are promising candidates for next-generation memory devices. However, their commercialization has bee…