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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Dielectric relaxation in valence compensated solid solution Sr0.65La0.35Ti0.65Co0.35O3
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Dielectric relaxation in valence compensated solid solution Sr0.65La0.35Ti0.65Co0.35O3

机译：价键固溶体Sr0.65La0.35Ti0.65Co0.35O3中的介电弛豫

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摘要

The valence compensated solid solution Sr0.65La0.35Ti0.65Co0.35O3 has been found to exhibit dielectric relaxer behaviour with a very high value of the dielectric constant. In the present investigation, this composition has been prepared using different processing parameters and routes, viz (a) solid-state sintering at 1350 degrees C followed by furnace cooling, (b) sintering at 1350 degrees C followed by annealing at 1000 degrees C, (c) sintering the sample prepared by the sol-gel route at 1100 degrees C and (d) sintering the powder prepared by the solid-state ceramic route at 1350 degrees C with 1 wt% SiO2 as a sintering aid. The dielectric characteristics were measured in the temperature range 300-500 K and frequency range 0.1 kHz-1 MHz. The dielectric characteristics of this composition are greatly influenced by processing parameters and routes. The dielectric relaxation in these materials was studied using impedance and modulus spectroscopic techniques. [References: 23]
机译：已经发现价价补偿的固溶体Sr0.65La0.35Ti0.65Co0.35O3表现出具有非常高的介电常数值的介电弛豫特性。在本研究中，已使用不同的工艺参数和路线制备了这种组合物，即（a）在1350摄氏度下进行固态烧结，然后进行炉内冷却，（b）在1350摄氏度下进行烧结，然后在1000摄氏度下进行退火， （c）在1100℃下烧结通过溶胶-凝胶法制备的样品，和（d）在1350℃下用1wt％的SiO 2作为烧结助剂烧结通过固态陶瓷法制备的粉末。在300-500 K的温度范围和0.1 kHz-1 MHz的频率范围内测量介电特性。该组合物的介电特性在很大程度上受到加工参数和工艺路线的影响。使用阻抗和模量光谱技术研究了这些材料中的介电弛豫。 [参考：23]

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