Optical study on intermediate-valence compounds Yb1−xLuxAl3

Optical study on intermediate-valence compounds Yb_1−xLu_xAl₃

Lv J L^{1, 2}, Luo J L^{1, 2, 3}, Wang N L^{3, 4, †}

(color online) The experimental together with fit to the Drude–Lorentz model of (a) Yb_0.75Lu_0.25Al₃ and (b) YbAl₃ at 10 K, respectively. (c) Temperature and doping dependent plasma frequency of Yb_1−xLu_xAl₃. (c) Temperature and doping dependent central frequency of the mid-infrared Lorentz peak of Yb_1−xLu_xAl₃ except for LuAl₃.