PPY/Y2O3 复合材料随温度变化的介电特性

IF 0.9 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Ovonic Research Pub Date : 2024-01-01 DOI:10.15251/jor.2024.201.13

M. Riaz, M. Ali, F. Fareed, S. M. Ali, M. Alam

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引用次数: 0

摘要

通过原位聚合路线合成了掺杂 Y2O3 的聚吡咯复合材料（PPy-Y2O3），以获得潜在应用的介电性能。XRD 证实了复合材料的形成。扫描电镜证实 PPyY2O3 具有更薄的结构。从纯 Y2O3 ~ 14 Ω、PPy ~ 12 Ω 到 PPy-10%Y2O3 ~ 10 Ω 复合材料的阻抗降低，表明 PPy-Y2O3 的交流导电率增加。随温度变化的介电性能遵循 Maxwell-Wagner 模型。PPy/Y2O3 的交流电导率随着温度的升高而增加，这与 Jonscher 的幂律有关。因此，本研究认为 PPy-Y2O3 复合材料可用于器件应用。

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Temperature dependent dielectric characteristics of PPY/Y2O3 composite

The Y2O3 doped polypyrrole composites has been synthesized (PPy-Y2O3) through an insitu polymerization route, to get dielectric properties for potential applications. XRD confirmed the formation of the composites. SEM confirms the flakier structure in the PPyY2O3. The impedance of pure Y2O3 ~ 14 Ω, PPy ~12 Ω to PPy-10%Y2O3 ~10 Ω compositesdecreased, signify the increase in AC conductivity of PPy-Y2O3. The temperature-dependent dielectric properties follow the Maxwell-Wagner model. AC conductivity of the PPy/Y2O3, increased with an increase in temperature depending on Jonscher’s power law. Therefore, the present study suggested that PPy-Y2O3 composites can be considered useful for device applications.

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来源期刊

Journal of Ovonic Research MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED

CiteScore

1.90

自引率

20.00%

发文量

期刊介绍： Journal of Ovonic Research (JOR) appears with six issues per year and is open to the reviews, papers, short communications and breakings news inserted as Short Notes, in the field of ovonic (mainly chalcogenide) materials for memories, smart materials based on ovonic materials (combinations of various elements including chalcogenides), materials with nano-structures based on various alloys, as well as semiconducting materials and alloys based on amorphous silicon, germanium, carbon in their various nanostructured forms, either simple or doped/alloyed with hydrogen, fluorine, chlorine and other elements of high interest for applications in electronics and optoelectronics. Papers on minerals with possible applications in electronics and optoelectronics are encouraged.