Reconstructed Momentum Density and Fermi Surface in Cu0.9Al0.1

Details Reconstructed Momentum Density and Fermi Surface in Cu0.9Al0.1 Reconstructed Momentum Density and Fermi Surface in Cu0.9Al0.1

2002-02-11

arxiv.org/abs/cond-mat/0202185v2

Mat. Sci. Forum 363-365, 606-608 (2001)

Physics

Condensed Matter

Materials Science

Scientific paper

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 Cu_{0.9}Al_{0.1} 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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