An atomic scattering factor for iron

>An atomic scattering factor for iron was calculated using self consistent field wave functions as calculated by the unrestricted Hartree--Fock method in which Slater's average exchange potential formulation was used to simplify the variational problem. As this re sults in separate sets of radial wave functions for the two one-electron spin directions, individual one-electron form factors were also calculated from which neutron scattering functions may be calculated. Comparison is made with the results of Viervoll & Ogrim (1949) and those obtained from the Thomas - Fermi method, with and without exchange. (auth)