Hafnium dioxide is an intermediate in some processes that yield hafnium metal. Hafnium (IV) oxide is quite inert. It reacts with strong acids such as concentrated sulfuric acid and with strong bases. It …

Mar 30, 2022 · This Review summarizes the properties and origin of ferroelectricity in HfO2-based materials and surveys their potential applications.

Hafnium oxide (HfO 2) is one of the mature high-k dielectrics that has been standing strong in the memory arena over the last two decades. Its dielectric properties have been researched rigorously …

HfO2 is Baddeleyite structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Hf4+ is bonded to seven O2- atoms to form a mixture of distorted corner and …

Understanding the mechanisms underpinning these functionalities requires a basic understanding of the HfO2 crystal structures and HfO 2-metal oxide phase equilibria. This chapter reviews these …

Hafnium oxide | HfO2 | CID 292779 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier …

Apr 13, 2021 · Epitaxial films of ferroelectric HfO 2 have been much less investigated, but after the first report in 2015 significant progress has been achieved.

Nov 2, 2025 · In this review, a comprehensive overview of recent developments in HfO 2 -based ferroelectric memories is provided, spanning materials research, device engineering, integration …

Here, we show how to access the antipolar phase and a theoretically predicted metastable tetragonal phase at room temperature using pressure cycling with reduced Y concentration, yielding samples …

Feb 2, 2022 · This Review provides a comprehensive overview of recent developments in HfO 2 -based ferroelectrics with attention to the origin of ferroelectricity, performance modulation, and recent …