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Charge transfers in complex transition metal alloys (Ti_2Fe)

机译:复杂过渡金属合金(Ti_2Fe)中的电荷转移

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摘要

We introduce a new Non-Orthogonal Tight-Binding model, for complex alloys, in which electronic structure is characterized by charge transfers. We give the analytic calculation of a charge transfer, in which overlapping two-center terms are rigorously taken into account. Then, we apply numerically this result to an approximant phase of a quasicrystal of Ti_2Fe alloy. This model is more particularly adapted to transition metals, and gives realistic densities of states.
机译:我们为复杂合金引入了一种新的非正交紧密结合模型,该模型的电子结构以电荷转移为特征。我们给出电荷转移的解析计算,其中严格考虑了重叠的两个中心项。然后,我们将此结果数值应用到Ti_2Fe合金准晶体的近似相中。该模型特别适合于过渡金属,并给出了实际的态密度。

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