Figure 4
From: Spin polarization in the phase diagram of a Li–Fe–S system

UPS spectra of the samples after delithiation (solid, x = 2) and lithiation (dashed, x = 10) at room temperature. The vertical line shows the Fermi level.
From: Spin polarization in the phase diagram of a Li–Fe–S system

UPS spectra of the samples after delithiation (solid, x = 2) and lithiation (dashed, x = 10) at room temperature. The vertical line shows the Fermi level.