Speaker
Description
Title: Thermodynamic and transport properties of single crystal YbNi$_4$Cd
Author: J. Lee, H. Park, E. Mun
Affiliation: Department of Physics, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6
Single crystals of YbNi$_4$Cd and LuNi$_4$Cd were grown via solution growth techniques. We have studied the thermal, magnetic, and electrical properties of the intermetallic system YbNi$_4$Cd and LuNi$_4$Cd by means of specific heat, magnetization, and resistivity measurements. In zero field YbNi$_4$Cd exhibits a long range magnetic order below ~1 K. The electrical resistivity and specific heat measurements show the magnetic as well as Kondo contributions. We will discuss the results in relation to the cubic compounds YbCu$_4$X (X = Ag, Cd, In) which show a wide variety of physical properties. The compounds crystallize in a cubic MgCu$_4$Sn-type crystal structure. YbCu$_4$Ag and YbCu$_4$Cd are a heavy-fermion compound with no magnetic ordering. YbCu$_4$In has attracted the greatest interest due to the first-order valence transition below 42 K.
