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LOW TEMPERATURE FABRICATION AND IMPEDANCE SPECTROSCOPY OF PMN-PT CERAMICS

机译:PMN-PT陶瓷的低温制备和阻抗谱

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摘要

Single phase perovskite 0.9Pb(Mg1/3Nb2/3)O_3-0.l(PbTiO_3) ceramics were prepared using the columbite precursor method after optimizing the synthesis conditions. X-ray diffraction (XRD) studies were carried out to verify the phase formation at each processing step. Scanning electron microscopy (SEM) was employed to observe the microstructure of the sintered ceramics. Impedance and modulus spectroscopic data were used to gain an insight into the electrical properties of the samples and with a view to observing the relaxations in them.
机译:优化了合成条件,采用钴矿前驱法制备了单相钙钛矿0.9Pb(Mg1 / 3Nb2 / 3)O_3-0.l(PbTiO_3)陶瓷。进行了X射线衍射(XRD)研究以验证每个加工步骤的相形成。采用扫描电子显微镜(SEM)观察烧结陶瓷的微观结构。阻抗和模量光谱数据用于深入了解样品的电性能,并观察样品中的弛豫。

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