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β-MnO2 nanorods investigation of dielectric properties for electronic applications
Journal of Molecular Structure ( IF 4.0 ) Pub Date : 2021-05-04 , DOI: 10.1016/j.molstruc.2021.130516
M. Okutan , N. Doğan , M. Öztürk , O. Yalçın

In this study, βMnO2 nanorods (NRs) were produced by hydrothermal method to describe the dielectric response of electronics and human health monitor applications. The structural properties of synthesized βMnO2 NRs were identified using X-ray diffraction. Frequency variation of dielectric properties for βMnO2 NRs was characterized by impedance spectroscopy technique. The frequency evolution of the dielectric properties for sample is associated with electrode polarization in the low frequency region. Transmission properties of βMnO2 NRs were attributed to Kroop's theory, Maxwell-Wagner approach, viscoelastic mechanism and Brownian motion in the high frequency regime. The complex electric modulus based on Cole-Cole plots associated with equivalent RC circuit and their adapted to the Smith-Chart diagram is investigated for βMnO2 NRs in detail. Absorption coefficient (α) and relaxation times (τ) values for the sample were recorded 0.21 and 5.1766 × 10−5 in succession. Frequency exponent (s), which is a characteristic of conductivity, was found to be compatible with the Correlated Barrier Hoping conductivity model for βMnO2 NRs.



中文翻译:

β-MnO的2层的介电特性的用于电子应用的纳米棒调查

在这项研究中, β-Ø2个纳米棒(NRs)是通过水热法生产的,用于描述电子设备和人体健康监测应用的介电响应。合成物的结构性质β-Ø2个使用X射线衍射鉴定NR。介电特性的频率变化β-Ø2个NR通过阻抗谱技术表征。样品介电性能的频率演变与低频区域中的电极极化有关。的传输特性β-Ø2个NR归因于Kroop的理论,Maxwell-Wagner方法,粘弹性机制和高频状态下的布朗运动。基于与等效RC电路相关联的Cole-Cole曲线及其对Smith-Chart图的适应性,研究了复数模量β-Ø2个NR的详细信息。样品的吸收系数(α)和弛豫时间(τ)值依次记录为0.21和5.1766×10 -5。频率指数(s)是电导率的特征,被发现与相关的势垒跳跃电导率模型兼容。β-Ø2个 NR。

更新日期:2021-05-22
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