Crossover from impurity-induced ordered phase to uniform antiferromagnetic phase under hydrostatic pressure in the doped spin-gap system TlCu${}_{1-x}$Mg${}_x$Cl${}_3$

H. Imamura, T. Ono, K. Goto +1

Magnetic phase transition under hydrostatic pressure in TlCu${}_{0.988}$Mg${}_{0.012}$Cl${}_3$ was investigated by magnetization measurements. The parent compound TlCuCl${}_3$ is a coupled…