Investigation of the valency distribution in Cu1.2Mn1.8O4 using quantitative EELS near-edge structures analysis

Electron energy loss spectroscopy (EELS) is a well-established technique used to probe the electronic structure of complex materials. Improvements in spectrometer design and the introduction of monochromators combined with aberration correctors in modern transmission electron microscopes provide spectra of ultrahigh energy resolution (equivalent to synchrotron data) at the atomic level.