LiMg2Si

LiMg₂Si is an intermetallic ceramic compound combining lithium, magnesium, and silicon—a lightweight material from the family of ternary intermetallics that bridges traditional ceramics and metallic compounds. This material remains primarily in the research and development phase, with potential applications in aerospace and energy storage systems where low density and thermal stability are critical; it represents an emerging class of lightweight structural ceramics that could offer alternatives to conventional aluminum-silicon composites or dense ceramic matrices, though industrial deployment remains limited.