It is demonstrated that Hall devices can be successfully utilized for measu
rements of ferromagnetic transition temperatures under hydrostatic pressure
. Results observed for ferromagnetic single crystal La0.94Mn0.98O3 and cera
mic manganite La0.84Zn0.07Mn0.95O3 at pressures up to 0.94 GPa are reported
. (C) 2001 American Institute of Physics.