YbB12

YbB12 is a rare-earth hexaboride ceramic compound combining ytterbium with boron in a dodecaboride crystal structure. This material belongs to the hexaboride family, which is primarily of research and specialized industrial interest for its unique combination of thermal, electrical, and mechanical properties at high temperatures. YbB12 appears in emerging applications requiring materials with exceptional thermal stability and potential thermoelectric or electronic properties in extreme environments, though it remains less commercially established than related compounds like LaB6.