Abstract Multiferroics with desirable properties are motivated to perceive the potential applications which can be effectively produced by controlling their microstructure. A detailed study has been carried out for the significance of morphology on the physical and chemical properties of perovskite nanostructures considering bismuth ferrite as the model system. Structure and phase identification performed with X-ray powder diffraction confirms the formation of single phase rhombohedral BiFeO3 for all the nanostructures. The microstructural-evolution of the nanostructures under various synthesize conditions have been identified to be flakes, cubes, rods, and flowers, from scanning electron microscopic images. These nanostructures with different morphologies and sizes exhibit ferromagnetic behavior confirmed using vibrating sample magnetometry. The observed room temperature electrical properties were correlated with their microstructures and the activation energy estimated from the impedance data is found to be high for BiFeO3 nanorods having 1.20 eV, which seems to have better performance than the other morphologies. The excellent union of magnetic and electrical properties of nanostructured BiFeO3 provides new possibilities of its use in device applications.

中文翻译：

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调整钙钛矿 BiFeO3 纳米结构的形态和尺寸以增强磁和电性能

摘要 具有理想性能的多铁性材料被激励去感知通过控制其微观结构可以有效生产的潜在应用。以铁氧体铋为模型体系，详细研究了形貌对钙钛矿纳米结构物理化学性质的影响。使用 X 射线粉末衍射进行的结构和相鉴定证实了所有纳米结构都形成了单相菱形 BiFeO3。根据扫描电子显微图像，纳米结构在各种合成条件下的微观结构演变已被确定为薄片、立方体、棒状和花状。这些具有不同形态和尺寸的纳米结构表现出使用振动样品磁力测定法证实的铁磁行为。观察到的室温电性能与其微观结构相关，并且发现从阻抗数据估计的活化能对于具有 1.20 eV 的 BiFeO3 纳米棒来说很高，这似乎比其他形态具有更好的性能。纳米结构 BiFeO3 的磁性和电学性能的完美结合为其在器件应用中的使用提供了新的可能性。