The fundamentals and applications of ferroelectric HfO2
Since the first report of ferroelectricity in a Si-doped HfO2 film in 2011, HfO2-based materials
have attracted much interest from the ferroelectric materials and devices community …
have attracted much interest from the ferroelectric materials and devices community …
From ferroelectric material optimization to neuromorphic devices
Due to the voltage driven switching at low voltages combined with nonvolatility of the
achieved polarization state, ferroelectric materials have a unique potential for low power …
achieved polarization state, ferroelectric materials have a unique potential for low power …
Reversible oxygen migration and phase transitions in hafnia-based ferroelectric devices
Unconventional ferroelectricity exhibited by hafnia-based thin films—robust at nanoscale
sizes—presents tremendous opportunities in nanoelectronics. However, the exact nature of …
sizes—presents tremendous opportunities in nanoelectronics. However, the exact nature of …
Scale-free ferroelectricity induced by flat phonon bands in HfO2
Discovery of robust yet reversibly switchable electric dipoles at reduced dimensions is
critical to the advancement of nanoelectronics devices. Energy bands flat in momentum …
critical to the advancement of nanoelectronics devices. Energy bands flat in momentum …
Ferroelectricity in layered bismuth oxide down to 1 nanometer
Atomic-scale ferroelectrics are of great interest for high-density electronics, particularly field-
effect transistors, low-power logic, and nonvolatile memories. We devised a film with a …
effect transistors, low-power logic, and nonvolatile memories. We devised a film with a …
HfO2-based ferroelectrics: From enhancing performance, material design, to applications
Nonvolatile memories are in strong demand due to the desire for miniaturization, high-speed
storage, and low energy consumption to fulfill the rapid developments of big data, the …
storage, and low energy consumption to fulfill the rapid developments of big data, the …
Roadmap on ferroelectric hafnia-and zirconia-based materials and devices
Ferroelectric hafnium and zirconium oxides have undergone rapid scientific development
over the last decade, pushing them to the forefront of ultralow-power electronic systems …
over the last decade, pushing them to the forefront of ultralow-power electronic systems …
Progress and future prospects of negative capacitance electronics: A materials perspective
Negative capacitance in ferroelectric materials has been suggested as a solution to reduce
the power dissipation of electronics beyond fundamental limits. The discovery of …
the power dissipation of electronics beyond fundamental limits. The discovery of …
The effects of oxygen vacancies on ferroelectric phase transition of HfO2-based thin film from first-principle
Y Zhou, YK Zhang, Q Yang, J Jiang, P Fan… - Computational Materials …, 2019 - Elsevier
The newly discovered hafnium oxide (HfO 2)-based ferroelectric film shows many
advantages over the traditional perovskite films in the application of information storage …
advantages over the traditional perovskite films in the application of information storage …
Interplay between oxygen defects and dopants: effect on structure and performance of HfO 2-based ferroelectrics
Ten years after the first report on ferroelectricity in HfO2, researchers are still occupied
unraveling the different causes behind this phenomenon. Among them, oxygen related …
unraveling the different causes behind this phenomenon. Among them, oxygen related …