Investigation of the Thermal Conductivity of Tungstate Crystals

Thermal conductivities of MWO4 (M = Ca, Cd, or Ba), NaGd(WO4)2:1 at % Er, NaGd(WO4)2:2 at % Yb, and NaLa0.5Gd0.5(WO4)2:2 at % Nd single crystals have been experimentally investigated in the temperature range of 50–300 K.