Er2In

Er₂In is an intermetallic ceramic compound combining erbium (a rare-earth element) with indium, forming a brittle ceramic material. This material belongs to the rare-earth intermetallic family and is primarily of research and specialized interest rather than established high-volume industrial use. Er₂In is investigated for potential applications requiring thermal stability, electronic properties, or specialized optical characteristics typical of rare-earth compounds, though it remains largely in the experimental domain awaiting niche adoption in advanced materials applications.