本文报道了用La、Ca、Mn的环烷酸盐溶液,采用溶胶一凝胶(sol-gel)方法, 在LaAlO3(100)衬底上制备La1-xCaxMn1.03O3薄膜,并研究了它们的电磁性质.Ca含量x在0.5~0.621范围内,电阻率随温度的变化关系,是从类半导体行为向金属导电行为转变,在x≥0.5的4个样品中并没有发现电荷有序绝缘体(COI)和反铁磁绝缘体(AFI)现象.
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