Er2US3O2

Er₂US₃O₂ is an oxysulfide ceramic compound containing erbium, uranium, and sulfur, representing a specialized material from the rare-earth actinide ceramics family. This is primarily a research-phase material studied for its potential in nuclear fuel applications and high-temperature ceramic systems, where the combination of actinide and rare-earth elements offers unique thermal and radiation-resistance properties. Engineers would consider this material in advanced nuclear fuel development or specialized refractory applications where conventional ceramics are insufficient, though its use remains largely experimental outside specialized nuclear research contexts.