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1篇 您的检索式：作者名="A. M. Hashhash"

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		题名	作者	年代	出处	被引量
	1	Relaxation and Dielectric Characteristics of Zn Substituted Copper-gallate Ferrite显示文摘The dielectric permittivities(ε′ & ε″) and dielectric loss tangent(tan) are studied for the prepared samples CuFe2O4 and Cu1-xZnxGa0.1Fe1.9O4 spinel ferrites with(0.0 ≤ x ≤ 0.5) from room temperature up to 700K in the frequency range(102~105Hz).Dielectric anomaly at the transition temperature Tc is pronounced in the relations of dielectric permittivitties with temperature where,the obtained Tc is found to decrease linearly with increasing Zn concentration.The relation of tan with frequency at different temperatures shows relaxation spectra where the relaxation time and the maximum frequency of the hopping conduction mechanism are determined.The variation of(ε′,ε″ and tanδ) with frequency and temperature displays a strong dependence on both gallium and zinc concentrations.The results are explained in light of the cation-anion-cation and cation-cation interactions over the octahedral sites in the spinel structure.	N. N. Nikitenkov A. M. Hashhash I. P. Chernov Yu. I. Tyurin	2010	沈阳理工大学学报2010，29，2：	0

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