120 citations · 316 across the 8 of their papers we have counts for
8 papers
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…
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…
Origin of Interstitial Doping Induced Coercive Field Reduction in Ferroelectric Hafnia
Tianyuan Zhu, Liyang Ma, Xu Duan +1
Hafnia-based ferroelectrics hold promise for nonvolatile ferroelectric memory devices. However, the high coercive field required for polarization switching remains a prime obstacle…
Progress in Computational Understanding of Ferroelectric Mechanisms in HfO
Tianyuan Zhu, Liyang Ma, Shiqing Deng +1
Since the first report of ferroelectricity in nanoscale HfO-based thin films in 2011, this silicon-compatible binary oxide has quickly garnered intense interest in academia and…
Enhanced polarization switching characteristics of HfO2 ultrathin films via acceptor-donor co-doping
Chao Zhou, Liyang Ma, Yanpeng Feng +13
In the realm of ferroelectric memories, HfO2-based ferroelectrics stand out because of their exceptional CMOS compatibility and scalability. Nevertheless, their switchable polariza…
Ultrahigh oxygen ion mobility in ferroelectric hafnia
Liyang Ma, Jing Wu, Tianyuan Zhu +3
Ferroelectrics and ionic conductors are important functional materials, each supporting a plethora of applications in information and energy technology. The underlying physics gove…
Modular development of deep potential for complex solid solutions
Jing Wu, Jiyuan Yang, Liyang Ma +2
The multicomponent oxide solid solution is a versatile platform to tune the delicate balance between competing spin, charge, orbital, and lattice degrees of freedom for materials d…
Structural Polymorphism Kinetics Promoted by Charged Oxygen Vacancies in HfO
Liyang Ma, Shi Liu
Defects such as oxygen vacancy are widely considered to be critical for the performance of HfO2-based devices, and yet atomistic mechanisms underlying various exotic effects such a…