...复阻抗;势垒高度 [gap=940]Key words: electron technology; TiO2 system varistor ceramics; additive Bi2O3; complex impedance spectra; barrier ...
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Through complex impedance spectra, SEM, XRD etc. tests, it was proved that the microstructure and PTC properties of the material were improved.
经复阻抗谱、SEM及XRD等测试分析表明，材料的微观结构得到了明显改善，PTC性能得以提高。
Tests of swelling curves, infrared spectra analysis and complex impedance analysis were carried out to understand structure and ionic conductive properties of the samples.
通过溶胀曲线测定、红外光谱分析、复阻抗分析等手段对材料的结构与离子导电性能进行了研究。
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