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Structural and electrical studies of mixed metal/ceramic composite dielectric thin films

机译:混合金属/陶瓷复合介电薄膜的结构和电学研究

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Cerium oxide (Rare earth oxide ceramic) films were coated on ITO glass slides where CeO was obtained by a simplified sol-gel method. The layer of molten NiO (Metal oxide) was physiosorped on ceria. The synthesis parameters like molarity of the precipitating agent and annealing temperature of the as prepared films were optimized. The X-ray diffraction was used for the confirmation of the phase, crystal structure and determination of crystallite sizes. The morphology of annealed films was studied using atomic force microscopy. The ac electrical measurements were done using LCR meter at room temperature and in frequency range 1 kHz to 3 MHz. The ac conductivity, dielectric constant and dielectric loss were determined using the electrical data.
机译:将氧化铈(稀土氧化物陶瓷)膜涂覆在ITO玻璃载玻片上,其中通过简化的溶胶-凝胶法获得CeO。将熔融的NiO(金属氧化物)层物理吸附在二氧化铈上。优化了合成参数,如沉淀剂的摩尔浓度和所制得薄膜的退火温度。 X射线衍射用于确认相,晶体结构和确定微晶尺寸。使用原子力显微镜研究了退火薄膜的形貌。交流电测量是使用LCR表在室温和1 kHz至3 MHz的频率范围内完成的。使用电气数据确定交流电导率,介电常数和介电损耗。

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