What is hafnium used for?

Hafnium is a rare metal with high heat resistance and excellent electrical properties. It is used in advanced industries such as semiconductors, aerospace, and nuclear power. In the semiconductor field in particular, hafnium oxide and related materials are used as high-k dielectric materials in advanced semiconductor devices. They play an important role in enabling further miniaturization, higher performance, and lower power consumption. Looking ahead, demand for hafnium is expected to grow, driven by increasing demand for advanced semiconductors associated with the expansion of AI and data centers, as well as growth in aerospace and other applications.