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首页> 外文期刊>Przeglad Elektrotechniczny >Transport and magnetic resonance characteristics of SiO_2-γ-Fe2O_3 composites obtained by sol gel method
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Transport and magnetic resonance characteristics of SiO_2-γ-Fe2O_3 composites obtained by sol gel method

机译:溶胶凝胶法制备SiO_2-γ-Fe2O_3复合材料的输运和磁共振特性

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摘要

Some electron-transport and magnetic-resonance characteristics of SiO_2-γ-Fe_2O_3 nanocomposites obtained by sol gel method on dielectric substrates were studied. It is shown that the current-voltage characteristics of the film composite materials are non-linear which is due to the presence of ionic component in the charge transfer mechanism. An increase of the measurement temperature causes their linearization. There were superwide magnetic resonance lines found, the presence of which in the ESR-spectra of the samples is due to the ferromagnetic phase of the composite material.
机译:研究了通过溶胶凝胶法获得的SiO_2-γ-Fe_2O_3纳米复合材料在介电基体上的一些电子输运和磁共振特性。结果表明,薄膜复合材料的电流-电压特性是非线性的,这是由于电荷转移机理中存在离子成分所致。测量温度的升高导致其线性化。发现了超宽磁共振线,其在样品的ESR光谱中的存在是由于复合材料的铁磁相。

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