Structure and physical properties of single crystal PrCr2Al20 and CeM2Al20 (M=V, Cr): A comparison of compounds adopting the CeCr2Al20 structure type

► Single crystals of LnM2Al20 were grown from a molten aluminum flux. ► Magnetic, electrical, and specific heat of single crystal LnM2Al20 are presented. ► PrCr2Al20 exhibits evidence of Kondo effect.