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 …

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

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 …

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

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 …

May 5, 2022 · Hafnium oxide (HfO2) 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 …

Apr 23, 2025 · Hafnia (HfO 2) is a ferroelectric metal oxide that is widely used in optical coatings and dynamic random-access memory (DRAM) capacitors for digital electronics (e.g., …

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.

Feb 1, 2001 · 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 …

Aug 23, 2024 · In this review, we provide an in-depth discussion of the computational efforts to understand ferroelectric hafnia, comparing various metastable polar phases and examining the …