Fermi-surface topologies and low-temperature phases of the filled Skutterudite compounds CeOs${}_4$Sb${}_{12}$ and NdOs${}_4$Sb${}_{12}$

Pei Chun Ho, John Singleton, Paul A. Goddard +7

MHz conductivity, torque magnetometer and magnetization measurements are reported on single crystals of CeOs${}_4$Sb${}_{12}$ and NdOs${}_4$Sb${}_{12}$ using temperatures down to 0.5~K and…