Abstract
High-quality crystallographic measurements are becomming available for a number of materials, and these measurements, when corrected for thermal vibrations, anomalous scattering and multiple scattering, can give a good picture of the density distribution. By supplementing crystallographic measurements with data from atomic Hartree-Fock calculations, the Fourier coefficients of the Coulomb and Slater potentials in the crystal can be constructed, and these can be made the starting point for band structure calculations. Similarly, in magnetic crystals, polarized neutron diffraction data can provide a good picture of the current density distribution, and this information can also be used as a starting point for band structure calculations. General methods will be presented for the construction of potentials, starting with crystallographic data.
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Avery, J., Sommer-Larsen, P. (1987). Measured Electron Densities and Band Structure Calculations. In: Erdahl, R., Smith, V.H. (eds) Density Matrices and Density Functionals. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3855-7_38
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DOI: https://doi.org/10.1007/978-94-009-3855-7_38
Publisher Name: Springer, Dordrecht
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