Metal-insulator transition in PrRu${}_4$P${}_{12}$ and SmRu${}_4$P${}_{12}$ investigated by optical spectroscopy

M. Matsunami, L. Chen, M. Takimoto +4

Electronic structures of the filled-skutterudite compounds PrRu${}_4$P${}_{12}$ and SmRu${}_4$P${}_{12}$, which undergo a metal-insulator transition (MIT) at $T_{\mathrm{MI}}$ = 60 K and 16 K,…