采用非晶态配合物前躯体法在比较低的烧结温度合成了钙钛矿结构氧化物La0.55K0.15MnO3纳米颗粒,系统的研究了烧结温度对Ia0.85K0.15 MnO3纳米颗粒磁性能的影响,用PPMS测量样品的居里温度和磁性能,结果表明烧结温度范围在600℃ ～ 1000℃之间,居里温度Tc为274.5 K,和烧结温度没有明显关系,在H=2T时,烧结温度分别为600℃,800℃,1000℃,对应的磁熵变△SM分别是2.02 J/(kg·K),3.06 J/(kg·K),3.56 J/(kg·K),当烧结温度升高到1200.C时,居里温度Tc为242.9K,通过控制烧结温度来调节La0.85K0.15MnO3纳米颗粒的磁性能.
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