Reconstructed Momentum Density and Fermi Surface in Cu0.9Al0.1
Samsel-Czekala, M. · Kontrym-Sznajd, G. · Doring, G. · Schulke, W. · Kaprzyk, S. · Bansil, A. · Kwiatkowska, J. · Maniawski, F.
Original · EN
A reconstruction technique based on Radon transforms is used to obtain 3D electron momentum density rho(p) using nine recently measured high-resolution Compton profiles (CPs) from a Cu₀.₉Al₀.₁ disordered alloy single crystal. The method was also applied to nine corresponding theoretical CPs computed within the KKR-CPA first-principles scheme in order to show that our reconstruction procedure reproduces rho(p) reasonably. We comment briefly on how well a map of the Fermi surface (FS) can be obtained by folding the reconstructed rho(p) into the first Brillouin zone.
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