Abstract

The electrical resistivity, ac magnetic susceptibility and magnetization of CeTl were measured at pressures up to 17 kbar. At ambient pressure the cubic to tetragonal transition occurs at T M =193 K and antiferromagnetic state with a metamagnetic character below the Neel temperature T N =25.5 K. When pressure p increases, T M increases at a rate of d T M /d p =+19 K/kbar, T N decreases at a rate of d T N /d p =-0.28 K/kbar and metamagnetic transition field H c at 4.2 K decreases from 20 kOe at ambient pressure. Above about 10 kbar, pressure-induced ferromagnetic phase appears and its Curie temperature T c increases at a rate of d T c /d p =+0.10 K/kbar.

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