Physics of the Solid State
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Electronic structure and X-ray spectral characteristics of the semiconductor and metal phases of iron disilicide
Potudanskii G.P. 1, Kurganskii S.I. 1
1Voronezh State University, Voronezh, Russia
Email: potudanskiy@phys.vsu.ru, kurganskii@phys.vsu.ru

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Within the framework of the full-potential method of augmented plane waves with local orbitals, the electronic structure and X-ray spectral characteristics of the semiconductor and metal phases of iron disilicide were calculated. The total and partial densities of electronic states, the band structure, and X-ray absorption spectra of the iron K-edge were calculated. The results are compared with the known experimental data. An explanation is given of the change in the X-ray absorption near edge structure during the transition from the semiconductor phase to the metallic one. Keywords: iron disilicide, electronic structure, APW+lo, method, XANES, K-edge.
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Ioffe Institute

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