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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Magneto-optical properties of Heusler compounds from a first-principles approach
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Magneto-optical properties of Heusler compounds from a first-principles approach

机译：基于第一性原理的霍斯勒化合物的磁光特性

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摘要

Accurate first principles calculations were performed to predict the optical and magneto-optical properties of a large set of Heusler compounds. The optical properties are explained in terms of relevant transitions from the underlying band-structure, Suggesting that the joint density of states plays a role in shaping the optical spectra. As for the magneto-optical properties. our results show that most of the Heusler Compounds have peaks in the Kerr rotations of the order of 0.5 degrees, typical for 3d-based materials. The Kerr spectra are rather similar for all considered Heuslers, consistent with their overall comparable band-structure; the peaks in the Kerr angles were traced back to their optical versus magneto-optical contributions. This careful ab initio analysis is extremely helpful in view of engineering the Kerr rotation for technological purposes.
机译：进行了准确的第一性原理计算，以预测大量Heusler化合物的光学和磁光性质。光学特性是根据与下面的能带结构的相关跃迁来解释的，这表明状态的联合密度在整形光谱中起作用。至于磁光特性。我们的结果表明，大多数Heusler化合物的Kerr旋转峰均约为0.5度，这是基于3d的材料的典型特征。对于所有考虑的Heusler，Kerr光谱都非常相似，这与其整体可比较的能带结构相符。 Kerr角的峰值可追溯到其光学贡献与磁光学贡献。考虑到出于技术目的对Kerr旋转进行工程设计，这种仔细的从头开始分析非常有帮助。

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