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Figure 10
RIXS spectra of NiO excited with photon energy varied about the Ni L3 edge: (a) colour mapping of RIXS intensity across the L3 absorption edge, obtained by combining RIXS spectra excited every 500 meV, (b) RIXS spectra excited with incident photons of energies 853, 855 and 857 eV, (c) RIXS spectra in an energy range near the elastic scattering excited with of selected incident energies labeled in units of eV, and (d) illustration of the scattering geometry. All RIXS spectra were taken at temperature T = 300 K. The energy loss is defined as Eloss = Eout - Ein, in which Ein and Eout are, respectively, the energies of incident and scattered X-rays due to inelastic scattering. The energy spacing between successive data points is limited by the CCD pixel size. The inset of (b) plots the X-ray absorption spectrum about the Ni L3-edge.

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