Ho4Sb3

Ho4Sb3 is an intermetallic ceramic compound belonging to the skutterudite family, characterized by a cage-like crystal structure that traps rare-earth and metalloid elements. This material is primarily of research and developmental interest for thermoelectric applications, where its unique phonon-scattering architecture enables high figure-of-merit values at elevated temperatures. Engineers consider skutterudites like Ho4Sb3 for waste-heat recovery and power generation systems where traditional thermoelectrics reach performance limits, though the material remains largely in the experimental phase compared to established commercial thermoelectric compounds.