HoHfO3

HoHfO3 is a rare-earth hafnium oxide ceramic compound combining holmium and hafnium oxides, representing an advanced material within the family of high-entropy and mixed rare-earth oxides. This composition is primarily of research interest for applications requiring extreme thermal stability and high-temperature dielectric properties, particularly in next-generation microelectronics and thermal barrier coatings where conventional materials approach their performance limits. The holmium-hafnium oxide system is notable for its potential to offer improved phase stability and thermal cycling resistance compared to single-component oxides, making it relevant for engineers evaluating materials for ultra-high-temperature environments or advanced semiconductor gate dielectrics.