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Facile synthesis and characterisation of La0.55Pb0.45MnO3 nanoperovskites employing ultrasonic measurements

机译:La 0.55 Pb 0.45 MnO 3 纳米钙钛矿的超声合成及表征

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摘要

In this study, La0.55Pb0.45MnO3 nanoperovskites has been synthesised with various grain sizes by a solid state reaction method followed by facile ball milling technique. The structural properties of the prepared nanoprovskites have been correlated with influence of grain size. Further, the synthesised nanoperovskite manganite materials with various grain sizes have been systematically studied for ultrasonic longitudinal and shear velocity and attenuation in wide range of temperatures. All the nanoperovskites revealed out an anomalous behaviour in concern with ultrasonic velocities and attenuation towards the phenomenon of phase transition.
机译:在这项研究中,La0.55Pb0.45MnO3纳米钙钛矿已经通过固相反应方法和随后的球磨技术合成了各种粒径的纳米钙钛矿。制备的纳米晶的结构性质已经与晶粒尺寸的影响相关。此外,已经系统地研究了合成的具有各种晶粒尺寸的纳米钙钛矿锰矿材料的超声纵向和剪切速度以及在宽温度范围内的衰减。所有的纳米钙钛矿都显示出与超声波速度有关的异常行为以及对相变现象的衰减。

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