Optical study of interactions in a d-electron Kondo lattice with ferromagnetism

K. S. Burch, A. Schafgans, N. P. Butch +5

We report on a comprehensive optical, transport and thermodynamic study of the Zintl compound Yb${}_{14}$MnSb${}_{11}$, demonstrating that it is the first ferromagnetic Kondo lattice c…