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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >AC CONDUCTIVITY OF LI-GE FERRITE
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AC CONDUCTIVITY OF LI-GE FERRITE

机译：AC conductivity of l i-GE ferrite

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摘要

The alternating current conductivity of Li0.5+0.5xGexFe2O4 (where x = 0.0, 0.2, 0.3 and 0.5) has been studied as a function of frequency, whereby the conductivity showed a dispersion with respect to frequency. in the range of dispersion it was found that sigma (omega) alpha omega(S), where S is a constant. At f = 10(5) Hz, S is equal 0.45, 0.8, 0.7 and 0.6 for x = 0.0, 0.2, 0.3 and 0.5 respectively. The variation of loss tangent (tan delta) with frequency was studied in the range from 100 Hz to 1 MHz. There were peaks in tan delta at f = 5.5 x 10(4), 5 x 10(4) and 1.5 x 10(5) Hz for the samples of x = 0.2, 0.3 and 0.5 respectively. However, for x = 0.0, tan delta gave a maximum in the range of frequency (2-6) x 10(4) Hz. At the same time, a minimum value of epsilon' (the real part of the complex dielectric) was found at the corresponding frequency value. [References: 10]
机译：已经研究了Li0.5 + 0.5xGexFe2O4（其中x = 0.0、0.2、0.3和0.5）的交流电导率随频率的变化，从而表明电导率相对于频率存在色散。在分散范围内，发现σ（ω）αomega（S），其中S为常数。在f = 10（5）Hz时，对于x = 0.0、0.2、0.3和0.5，S分别等于0.45、0.8、0.7和0.6。研究了在100 Hz至1 MHz范围内损耗正切（tan delta）随频率的变化。对于分别为x = 0.2、0.3和0.5的样本，tanδ的峰值分别为f = 5.5 x 10（4），5 x 10（4）和1.5 x 10（5）Hz。但是，对于x = 0.0，tanδ在频率（2-6）x 10（4）Hz的范围内给出最大值。同时，在相应的频率值处发现了ε（复合电介质的实部）的最小值。 [参考：10]

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