Table 2. Crystal Field Parameters Used To Simulate the L-Edge XAS and XMCD Spectra of Fe2+ and Fe3+ Systems Presented in Figure 2.
parameter | Fe2+ system | Fe3+ system |
---|---|---|
10Dq (eV) | –0.5a | –0.4 |
Δ (eV) | 2 | 2 |
hopping integral (eV) | ||
T(e) set | 2.1 | 2.1 |
T(t2) set | 2.5 | 2.5 |
Slater–Condon–Shortley reduction parameter (%) (Fdd = Fpd = Gpd) | 1b | 1b |
As reported previously.86
A value of 1 corresponds to 80% reduction of the electron–electron repulsion of the Hartree–Fock calculated value of a free ion.