Brilliant effect of Ca substitution in the appearance of magnetic memory in Dy0.5(Sr1−xCax)0.5MnO3 (x = 0.3) manganites

Thermal variation of ZFC magnetization indicating the appearance of magnetic memory effect while substituting the Sr by Ca in Dy0.5(Sr1−xCax)0.5MnO3 (x = 0.3) heated at 1350 °C.180