Experimental evidences of magnetic two-phase state in Eu(1-x)A(x)MnO(3) (A= Ca, Sr)

For insulating Eu(1-x)A(x)MnO(3) (A = Ca, Sr; x = 0, 0.3) ceramics the magn etic properties depend on the thermomagnetic history of the sample and the maximum of initial magnetic susceptibility is located at T = T-N, being ind ependent of the AC field frequency. Magnetization isotherms are the superpo sition of the linear part and spontaneous magnetization. The maximum of ele ctrical resistivity and colossal magnetoresistance are observed in the T, r egion. These properties are explained by the magnetic two-phase state. (C) 1999 Published by Elsevier Science B.V. All rights reserved.