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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >OPTICAL AND MAGNETO-OPTICAL SPECTRA OF MAGNETIC GRANULAR ALLOYS
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OPTICAL AND MAGNETO-OPTICAL SPECTRA OF MAGNETIC GRANULAR ALLOYS

机译：磁性颗粒合金的光学和磁光光谱

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摘要

We present the results of the experimental and theoretical investigation of the optical and magneto-optical (MO) spectra of magnetic granular films (Co70Fe3o)(x)Ag1-x, CoxAg1-x, CoxCu1-x in the energy range 0.5-4.0 eV of incident light. The MO properties were investigated in the geometry of transverse Kerr effect. The MO spectra of granular alloys are quite different from the spectra of homogeneous films. The amplitude of Kerr signal and the MO spectra profile depend on the granular and matrix material, the concentration and the shape of the grains and the annealing temperature. We interpret the obtained spectra in the framework of the effective medium approximation that allows to make some conclusions about ferromagnetic particle concentration and their shape. [References: 9]
机译：我们提出的实验和理论研究的结果在0.5-4.0 eV的能量范围内的磁性颗粒薄膜（Co70Fe3o）（x）Ag1-x，CoxAg1-x，CoxCu1-x的光学和磁光（MO）光谱入射光。在横向克尔效应的几何形状中研究了MO特性。颗粒合金的MO光谱与均质膜的光谱有很大不同。 Kerr信号的振幅和MO光谱轮廓取决于颗粒和基质材料，晶粒的浓度和形状以及退火温度。我们在有效介质近似的框架内解释获得的光谱，从而可以得出有关铁磁颗粒浓度及其形状的一些结论。 [参考：9]

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