Sol-gel-derived nano-powders of lead magnesium niobate and lead titanate solid solutions (PMN-PT or ration process were discussed. The crystalline phases in the powders were investigated using X-ray diffraction (XRD)analysis and the size of grains was observed by field-emission scanning electron microscopy (SEM). These powders,with good dispersion characteristics and narrow grain size distribution (ranging from 50 nm to 200 nm), may be used to prepare PMNT thick films and ceramics.
PMNTnano-powdersrelaxationferroelectrics
Qingtao Zhang、Yanqiu Li、Yonghong Shang
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Institute of Electrical Engineering, Chinese Academy of Sciences, Zhongguancun, Beijing 100080, P. R. China
Graduate School of the Chinese Academy of Sciences, Beijing 100039, P. R. China
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