The magnetic and transport properties of epitaxial La0.7Ba0.3MnO3 films on LaAlO3 substrates have been investigated and ......

用固相反应法制备了非化学计量的（La0.6Dy0.1Sr0.3）1-xMnO3（x=0.00,0.10,0.20,0.30,0.35）系列样品,通过XRD、ρ-T曲线、MR-T曲线,研究......

采用固相烧结法制备了名义成分为La1-xKxMnO3(x＝0.1～0.4)和La0.8K0.2-yAgyMnO3(y＝0～0.2)的多晶样品,发现用K、Ag取代La后,可使菱面体结......