Crystal structure and magnetic properties of GdZn2Ga2

Gadolinium dizinc digallide, GdZn2Ga2, has been synthesized by reacting the elements at ∼950 °C, followed by annealing at 400 °C. The crystal structure was solved from single crystal X-ray diffraction data (a = 4.1305(4), c = 10.775(2) Å, V = 183.83(4) Å3, BaAl4 structure type, I4/mmm space group, Pearson symbol tI10, Z = 2). This ternary compound undergoes a transition from a paramagnetic to an antiferromagnetic state at TN = 17.0 K.