MAGNETIZATION OF BOUND MAGNETIC POLARONS IN GA-DOPED CD1-XMNXTE

Light-induced persistent changes in magnetization of n-type Cd1-xMnxTe (0.01 less than or equal to x less than or equal to 0.20) single crys tals have been measured at T=2 and 5 K and in magnetic fields of up 0. 5 T. The effect observed correlates with an increase (upon illuminatio n) in shallow donor concentration measured on the same samples. It als o saturates with increasing magnetic field. The bound magnetic polaron theory accounts for the variation of the excess persistent magnetizat ion with temperature and magnetic-field strength if the antiferromagne tic exchange coupling between magnetic ions is included.